File AvailableRoth, T.; Romo, S.; Campbell, M. 1997 Cincinnati Zoo's Sumatran rhino is pregnant. AZA Communique December: 44-46
Location:
Subject:
Species:
America - North America
Reproduction
Sumatran Rhino
No details available yet
  details

File AvailableRadcliffe, R.W.; Bommarito, M.P.; Osofsky, S.A. 1996 Ultrasonography as a tool in the conservation of the African rhinoceros: ex situ and in situ applications. Pachyderm 21: 55-59, figs. 1-6
Location:
Subject:
Species:
Captive
Reproduction - Management methods
Black Rhino
Ultrasonography by is a tool being applied to captive management to resolve some of the basic mysteries surrounding rhinoceros reproduction. Decisions about managed breeding can finally be based on objective reproductive assessment of individual animals instead of on conjecture. This technology...
  details

File AvailableBosi, E.J. 1996 Mating Sumatran rhinoceros at Sepilok Rhino Breeding Centre, Sandakan, Sabah, Malaysia. Pachyderm 21: 24-27, fig. 1, table 1
Location:
Subject:
Species:
Asia - South East Asia - Malaysia - Sarawak
Reproduction
Sumatran Rhino
Sabah, Managed Breeding Centre. The oestrus cycle was estimated to be between 28 to 30 days. During oestrus, the female was restless, with a swollen vulva and soft, clear, stringy mucoid discharge from the vagina. The vulva could remain swollen for five days. The discharge could be seen when ...
  details

File AvailableBosi, E.J. 1996 Mating Sumatran rhinoceros at Sepilok Rhino Breeding Centre, Sandakan, Sabah, Malaysia. Pachyderm 21: 24-27, fig. 1, table 1
Location:
Subject:
Species:
Asia - South East Asia - Malaysia - Sabah
Reproduction
Sumatran Rhino
Sabah, Managed Breeding Centre. Our experience with (F) 'Lumparai' indicates that mating is most likely to take place at least 20 hours after the mucoid discharge appears. This knowledge is useful for reducing the duration of courtship in capture. We observed that mating occurred in late after...
  details

File AvailableBosi, E.J. 1996 Mating Sumatran rhinoceros at Sepilok Rhino Breeding Centre, Sandakan, Sabah, Malaysia. Pachyderm 21: 24-27, fig. 1, table 1
Location:
Subject:
Species:
Asia - South East Asia - Malaysia - Sabah
Reproduction
Sumatran Rhino
Sabah, Managed Breeding Centre. Signs of Oestrous. Mucoid discharge. It was difficult to look for mucoid discharge in Gologob because of the mud cover and her activity near the wall. However, on two occasions we were able to see mucous in the vagina by manual manipulation to open the vulva wh...
  details

File AvailableCzekala, N.M.; Callison, L. 1996 Pregnancy diagnosis in the black rhinoceros ( Diceros bicornis) by salivary hormone analysis. Zoo Biology 15 (1): 33-44, figs. 1-4
Location:
Subject:
Species:
World
Reproduction - Management methods
Black Rhino
Salivary hormone analysis. Previous studies of urinary steroid hormones in the Indian rhinoceros have proven practical for monitoring ovarian events and establishing the hormonal param- eters of gestation [Kasman et al., 1986].. However, a similar approach has not been useful for assessing ovul...
  details

File AvailableEndo, H.; Yamada, T.K.; Nakamuta, N.; Tanemura, K.; Kurohmaru, M.; Hayashi, Y. 1996 Testicular morphology of a Greater Indian rhinoceros (Rhinoceros unicornis). Journal of Veterinary Medical Science 58 (10): 937-940, figs. 1-7
Location:
Subject:
Species:
World
Reproduction
Indian Rhino
In old male Rhinoceros unicornis. Spermatogenesis has not been examined in the histological level in any species of rhinoceroses. While spermatogenesis has been examined in the equine species that belong to the same order Perrisodactyla as rhinoceroses, and the quantitative studies of spermatog...
  details

File AvailableRadcliffe, R.W.; Bommarito, M.P.; Osofsky, S.A. 1996 Ultrasonography as a tool in the conservation of the African rhinoceros: ex situ and in situ applications. Pachyderm 21: 55-59, figs. 1-6
Location:
Subject:
Species:
World
Reproduction
Black Rhino
Diceros bicornis in Texas zoo This same technology has also been used to elucidate the oestrous cycle of one of Fossil Rim's southern white rhinoceros females (cycle length approximately 35 days), as well as to document early embryonic loss in one female.
  details

File AvailableMorgan-Davies, M. 1996 Status of the black rhinoceros in the Masai Mara National Reserve, Kenya. Pachyderm 21: 38-45, figs. 1-5, table 1
Location:
Subject:
Species:
Africa - Eastern Africa - Kenya
Reproduction
Black Rhino
Masai Mara, Kenya. The calving interval, to the nearest month, is known in 11 cases and varies from 16-34 months, with a mean of 25.4 months.
  details

File AvailableMorgan-Davies, M. 1996 Status of the black rhinoceros in the Masai Mara National Reserve, Kenya. Pachyderm 21: 38-45, figs. 1-5, table 1
Location:
Subject:
Species:
Africa - Eastern Africa - Kenya
Reproduction
Black Rhino
Masai Mara, Kenya. The only record of the age at maturity of a black rhino in the Reserve is that of Chebrech, who is recorded to have been born in May 1984 and who produced her first calf in December 1991. Based on a mean gestation period of 454 days (Hitchins & Anderson, 1983), Chebrech probab...
  details

File AvailableBosi, E.J. 1996 Mating Sumatran rhinoceros at Sepilok Rhino Breeding Centre, Sandakan, Sabah, Malaysia. Pachyderm 21: 24-27, fig. 1, table 1
Location:
Subject:
Species:
Asia - South East Asia - Malaysia - Sarawak
Reproduction
Sumatran Rhino
Sabah, Managed Breeding Centre. The female was obviously interested in the male when she was in oestrus. The male would go to the common gate to make lip contact and to lock horns. The female would walk or pace along the wall, followed by the male on the other side. The male was not intereste...
  details

File AvailableBosi, E.J. 1996 Mating Sumatran rhinoceros at Sepilok Rhino Breeding Centre, Sandakan, Sabah, Malaysia. Pachyderm 21: 24-27, fig. 1, table 1
Location:
Subject:
Species:
Asia - South East Asia - Malaysia - Sarawak
Reproduction
Sumatran Rhino
Sabah, Managed Breeding Centre. We released her into the breeding enclosure during the morning of 28 October 1995 but there was no mutual interest with Sidom. She spent her time in the mud wallow while Sidom walked about. We put Sidom into the individual pen and returned him at 14.54 hours. T...
  details

File AvailableThorne, A.R.; Whalen, P.J. 1996 Conditioning black rhino for reproductive manipulation. International Zoo News 43 (4): 214-220, figs. 1-3
Location:
Subject:
Species:
World
Reproduction
All Rhino Species
No details available yet
  details

File AvailableInkster, S. 1996 Semen collection in Diceros bicornis. Internet page, dated 1996
Location:
Subject:
Species:
Africa
Reproduction
Black Rhino
No details available yet
  details

File AvailableWard, A. 1996 Hand-rearing: pp. 53-55

In: Fouraker, M. et al. AZA Rhinoceros husbandry resource manual. Fort Worth, Zoological Park: pp. i-v, 1-67
Location:
Subject:
Species:
World
Reproduction
All Rhino Species
No details available yet
  details

File AvailableLaffitte, B. 1996 Le rhinoceros blanc (Ceratotherium simum): etude des facteurs influencant la reproduction en captivite. Toulouse, Ecole Nationale Veterinaire (These pour le Doctorat Veterinaire), pp. i, 1-158
Location:
Subject:
Species:
Africa
Reproduction
White Rhino
No details available yet
  details

File AvailableCzekala, N. 1996 Wishing for Rhino reproduction. CRES Report Summer 1996: 3, 2 images
Location:
Subject:
Species:
Captive - North America
Reproduction - Management methods
All Rhino Species
No details available yet
  details

File AvailableRadcliffe, R. 1996 Fossil Rim Wildlife Center receives (Reproductive research) Grant. AZA Communique June: 10
Location:
Subject:
Species:
Captive - North America
Reproduction
All Rhino Species
No details available yet
  details

File AvailableFouraker, M.; Wagener, T. 1996 AZA Rhinoceros Husbandry Resource Manual available. AZA Communique October: 46-47
Location:
Subject:
Species:
America - North America
Reproduction
All Rhino Species
No details available yet
  details

File AvailableBaur, B.; Studer, P. 1995 Inbreeding in captive Indian rhinoceros Rhinoceros unicornis. International Zoo Yearbook 34: 205-211, figs. 1-2, table 1
Location:
Subject:
Species:
Captive
Reproduction
Indian Rhino
In captive population Rhinoceros unicornis, 1981-1990. No difference in the monthly distribution of inbred and non-inbred births. Offspring born during the colder months (October to March) had a significantly higher mortality rate (25 %, n=51) than those born in warmer months (April to Septembe...
  details

Bonal, B.S.; Sharma, R.; Barthakur, T.; Barua, B.; Das, D.C.; Boro, S. 1995 Birth of a female Indian rhino calf in Assam State Zoo. Zoos Print 10 (9): 28-29, figs. 1-2, tables 1-3
Location:
Subject:
Species:
Captive - Asia
Reproduction
Indian Rhino
Gauhati, Assam, 1995. June 1993, female Geeta was allowed to enter the enclosure of Ram Prasad. Copulation took place shortly after release, it lasted 52 minutes with 52 thrusts. Not succesful. Nov 1993, female again went to male. At 3.35 pm, copulation took place and lasted for 65 minutes w...
  details

Bonal, B.S.; Sharma, R.; Barthakur, T.; Barua, B.; Das, D.C.; Boro, S. 1995 Birth of a female Indian rhino calf in Assam State Zoo. Zoos Print 10 (9): 28-29, figs. 1-2, tables 1-3
Location:
Subject:
Species:
World
Reproduction
Indian Rhino
Gauhati, Assam, 1995 - Bonal et al. 1995 Suckling Frequency in new-born calf, Rhinoceros unicornis, Gauhati Zoo Time ,22 Feb (Birth),36578,36579,36580,36581,36582,36583 8-10 am,2,4,4,3,3,1,4 10-12 am,1,4,5,2,3,2,2 12-2 pm,3,1,4,4,3,1,2 2-4 pm,3,1,4,5,3,2,1 4-6 pm,3,3,3,1,2,2,6 6-8 pm,3,...
  details

File AvailableBasel Zoo; Tobler, K. 1995 International studbook for the Great Indian rhinoceros (Rhinoceros unicornis), eighth edition. Basel, Zoologischer Garten, pp. i-v, 1-23, i-vi
Location:
Subject:
Species:
Captive - North America
Reproduction
Indian Rhino
Gestation period 490 days, Los Angeles 1982
  details

Bonal, B.S.; Sharma, R.; Barthakur, T.; Barua, B.; Das, D.C.; Boro, S. 1995 Birth of a female Indian rhino calf in Assam State Zoo. Zoos Print 10 (9): 28-29, figs. 1-2, tables 1-3
Location:
Subject:
Species:
Captive - Asia
Reproduction
Indian Rhino
Gauhati, Assam, 1995. Soon after parturition, the mother showed considerable interest in maternal care. As the calf could not stand and walk properly, mother tried to make her calf stand by tucking its forehead below her forelegs.
  details

File AvailableBasel Zoo; Tobler, K. 1995 International studbook for the Great Indian rhinoceros (Rhinoceros unicornis), eighth edition. Basel, Zoologischer Garten, pp. i-v, 1-23, i-vi
Location:
Subject:
Species:
Captive - Europe
Reproduction
Indian Rhino
Gestation period 466 days, Basel 1992
  details

Bonal, B.S.; Sharma, R.; Barthakur, T.; Barua, B.; Das, D.C.; Boro, S. 1995 Birth of a female Indian rhino calf in Assam State Zoo. Zoos Print 10 (9): 28-29, figs. 1-2, tables 1-3
Location:
Subject:
Species:
Captive - Asia
Reproduction
Indian Rhino
Gestation period 478 days, Gauhati, 1995
  details

File AvailableBasel Zoo; Tobler, K. 1995 International studbook for the Great Indian rhinoceros (Rhinoceros unicornis), eighth edition. Basel, Zoologischer Garten, pp. i-v, 1-23, i-vi
Location:
Subject:
Species:
Captive - Europe
Reproduction
Indian Rhino
Gestation period 472 days, Basel 1988
  details

File AvailableBaur, B.; Studer, P. 1995 Inbreeding in captive Indian rhinoceros Rhinoceros unicornis. International Zoo Yearbook 34: 205-211, figs. 1-2, table 1
Location:
Subject:
Species:
Captive
Reproduction
Indian Rhino
In captive population Rhinoceros unicornis, 1981-1990. Gestation tended to be shorter for inbred young than for non-inbred young Inbred young, 474.1 ? 9.7 days, n=10 Non-inbred young, 479.5 ? 5.8 days, n=14 (t=1.71, P=0.1)
  details

Bonal, B.S.; Sharma, R.; Barthakur, T.; Barua, B.; Das, D.C.; Boro, S. 1995 Birth of a female Indian rhino calf in Assam State Zoo. Zoos Print 10 (9): 28-29, figs. 1-2, tables 1-3
Location:
Subject:
Species:
Captive - Asia
Reproduction
Indian Rhino
Gauhati, Assam, 1995. [After first unsuccesful mating, June 1993] Three days later, male became very aggressive, attacked female and injured her. Both were separated immediately. [Second Mating, Nov 1995] Following mating, female rushed to the waterhole and wallowed for almost an hour. Seven ...
  details

Bonal, B.S.; Sharma, R.; Barthakur, T.; Barua, B.; Das, D.C.; Boro, S. 1995 Birth of a female Indian rhino calf in Assam State Zoo. Zoos Print 10 (9): 28-29, figs. 1-2, tables 1-3
Location:
Subject:
Species:
World
Reproduction
Indian Rhino
Time of Day 07:30 am, Gauhati, 1995
  details

File AvailableMolur, S.; Sukumar, R.; Seal, U.S.; Walker, S. 1995 Report: Population and Habitat Viability Assessment (PHVA) Workshop, Great Indian one-horned rhinoceros, Jaldapara, 1993. Coimbatore, CBSG India
Location:
Subject:
Species:
World
Reproduction
Indian Rhino
Signs of heat: restlessness, frequenmt urine squirting, lack of appetite, whistling, vulva flashing, and the vulva becomes swollen and pinkish in colour. The female and male will seek each other's company. The female remains in heat for 18-20 hours. So the male should be allowed close proximit...
  details

Bonal, B.S.; Sharma, R.; Barthakur, T.; Barua, B.; Das, D.C.; Boro, S. 1995 Birth of a female Indian rhino calf in Assam State Zoo. Zoos Print 10 (9): 28-29, figs. 1-2, tables 1-3
Location:
Subject:
Species:
Captive - Asia
Reproduction
Indian Rhino
Gauhati Zoo, 1995. First oestrous, 30 June 1993, followed on second one 3 Nov 1993, interval 4 months
  details

File AvailableMolur, S.; Sukumar, R.; Seal, U.S.; Walker, S. 1995 Report: Population and Habitat Viability Assessment (PHVA) Workshop, Great Indian one-horned rhinoceros, Jaldapara, 1993. Coimbatore, CBSG India
Location:
Subject:
Species:
World
Reproduction
Indian Rhino
Estrus cycle is approx. 30-45 days.
  details

File AvailableMolur, S.; Sukumar, R.; Seal, U.S.; Walker, S. 1995 Report: Population and Habitat Viability Assessment (PHVA) Workshop, Great Indian one-horned rhinoceros, Jaldapara, 1993. Coimbatore, CBSG India
Location:
Subject:
Species:
World
Reproduction
Indian Rhino
It appears that males in captivity can breed up to 39 years, females upto 31 years.
  details

File AvailableBlaszkiewitz, B. 1995 Fruehe Geschlechsreife bei einem Panzernashorn-Weibchen (Rhinoceros unicornis). Zoologische Garten 65 (4): 267
Location:
Subject:
Species:
World
Reproduction
Indian Rhino
Age first parturition: ,born,First birth,Age Berlin East,20 July 1990 (San Diego WAP),21 Jan 1995,4 yrs 6 mo Basel,17 Aug 1958,9 Mar 1963 Basel,24 Aug 1971,26 Mar 1976 San Diego WAP,26 May 1987,22 Dec 1991 San Diego WAP,19 Mar 1978,25 July 1982,4 yrs 4 mo End
  details

File AvailableMolur, S.; Sukumar, R.; Seal, U.S.; Walker, S. 1995 Report: Population and Habitat Viability Assessment (PHVA) Workshop, Great Indian one-horned rhinoceros, Jaldapara, 1993. Coimbatore, CBSG India
Location:
Subject:
Species:
World
Reproduction
Indian Rhino
If the male whistles during courtship behaviour the chances of breeding are higher.
  details

File AvailableWalzer, C.; Schwarzenberger, F. 1995 Estrous cycle induction in a white rhinoceros (Ceratotherium simum simum) and concomitant EIA fecal progestagen analysis. Proceedings of the AAZV, AAWV, WDA Joint Conference 1995: 322-324
Location:
Subject:
Species:
Africa
Reproduction
White Rhino
No details available yet
  details

File AvailableVahala, J.; Vondra, Z.; Kober, M.; Petrzilek, P. 1995 Hand-feeding a black rhinoceros Diceros bicornis calf at Dvur Kralove Zoo. International Zoo Yearbook 34: 211-217, fig. 1, tables 1-6
Location:
Subject:
Species:
World
Reproduction
All Rhino Species
No details available yet
  details

File AvailableZainuddin, Zainal Zahari 1995 Reproductive biology of the Sumatran rhinoceros in captivity. Thesis, Universiti Pertanian Malaysia., pp. 1-77
Location:
Subject:
Species:
Captive
Reproduction
Sumatran Rhino
No details available yet
  details

File AvailableBenirschke, K.; Lowenstine, L.J. 1995 The placenta of the rhinocerotidae. Verhandlungsbericht des Internationalen Symposiums uber die Erkrankungen der Zootiere 37: 15-23, figs. 1-8, table 1
Location:
Subject:
Species:
World
Reproduction
All Rhino Species
No details available yet
  details

File AvailableSchwarzenberger, F.; Walzer, C. 1995 Oestrous cycle induction in a white rhinoceros (Ceratotherium simum simum) monitored by fecal progestagen analysis. Verhandlungsbericht des Internationalen Symposiums uber die Erkrankungen der Zootiere 37: 79-83, fig. 1
Location:
Subject:
Species:
Africa
Reproduction
White Rhino
Reproductive rate of white rhinoceroses (Ceratotherium simum simum and C. s. cottoni) in captivity is very poor. A recent study using faecal progestagen evaluations indicated missing or erratic luteal activity as a possible reason. Faecal progestagen evaluations in one white rhinoceros kept at Sa...
  details

File AvailableSchaffer, N.; Bryant, W.S.; Berry, J.A.; Powell, R.; Barnett, C.; Joyce, J.; Berkeley, E. 1995 Case report: Successful birth after intensive management of an aged Black rhinoceros (Diceros bicornis) with a history of abortions. Regional Conference Proceedings of the AZA 1995: 332-337, 2 figures
Location:
Subject:
Species:
America - North America
Reproduction
Black Rhino
No details available yet
  details

File AvailableHildebrandt, T.B.; Goeritz, F. 1995 Ultrasonography as a tool in propagation of zoo animals. Proceedings of the AAZV, AAWV, WDA Joint Conference 1995: 314-321, 1 table
Location:
Subject:
Species:
World
Reproduction
All Rhino Species
No details available yet
  details

File AvailableDurrant, B. 1995 Reproductive physiology (of White rhinos). CRES Report Spring 1995: 3, 1 image
Location:
Subject:
Species:
Captive - North America
Reproduction - Management methods
White Rhino
No details available yet
  details

File AvailableLindburg, D. 1995 Rhino breeding study in North American Zoos. AZA Communique January: p 7
Location:
Subject:
Species:
Captive - North America
Reproduction
All Rhino Species
No details available yet
  details

File AvailableBertschinger, H.J. 1994 Reproduction in black and white rhinos: a review: pp. 155-161, fig.1

In: Penzhorn, B.L. et al. Proceedings of a symposium on rhinos as game ranch animals. Onderstepoort, Republic of South Africa, 9-10 September 1994: pp. i-iv, 1-242
Location:
Subject:
Species:
World
Reproduction
Black Rhino
The newborn rise to their feet soon after birth (10 minutes in one case) and are walking soon after that. They suckle for the first time within 3-4 h. Cows continue to suckle their young well into the following pregnancy in the wild. Natal Parks report cows lactating for up to 15 month.
  details

File AvailableBertschinger, H.J. 1994 Reproduction in black and white rhinos: a review: pp. 155-161, fig.1

In: Penzhorn, B.L. et al. Proceedings of a symposium on rhinos as game ranch animals. Onderstepoort, Republic of South Africa, 9-10 September 1994: pp. i-iv, 1-242
Location:
Subject:
Species:
World
Reproduction
White Rhino
Little information is available here and some people use the same figures given for black rhinos (females 7 or 8 years; males 8 years). However, white rhino bulls only start to hold their territory at 12,5 years of age.
  details

File AvailableAdcock, K. 1994 The relevance of 'territorial' behaviour in black rhino to their population management: pp. 82-86, fig. 1, table 1

In: Penzhorn, B.L. et al. Proceedings of a symposium on rhinos as game ranch animals. Onderstepoort, Republic of South Africa, 9-10 September 1994: pp. i-iv, 1-242
Location:
Subject:
Species:
Africa - Southern Africa - South Africa
Reproduction
Black Rhino
Pilanesberg NP. In Pilanesberg, young bulls in areas surrounded by established bull ranges have close ties with their mother until 6-8 years of age. Those in areas which have few established bull ranges around them start to break away from their mother at 2-4 years. Firstly, Pilanesberg inform...
  details

File AvailableBertschinger, H.J. 1994 Reproduction in black and white rhinos: a review: pp. 155-161, fig.1

In: Penzhorn, B.L. et al. Proceedings of a symposium on rhinos as game ranch animals. Onderstepoort, Republic of South Africa, 9-10 September 1994: pp. i-iv, 1-242
Location:
Subject:
Species:
World
Reproduction
White Rhino
The calf is weaned at about 12 months of age but stays with the mother for the first 2-3 years of its life.
  details

File AvailablePienaar, D.J. 1994 Social organization and behaviour of the white rhinoceros: pp. 87-92, tables 1-2

In: Penzhorn, B.L. et al. Proceedings of a symposium on rhinos as game ranch animals. Onderstepoort, Republic of South Africa, 9-10 September 1994: pp. i-iv, 1-242
Location:
Subject:
Species:
Africa - Southern Africa - South Africa
Reproduction
White Rhino
Kruger NP. Young females underwent their first oestrus at about 5 years of age, but remained in subadult groups until the birth of their first calf at 6,5-7 years of age. Thereafter they are usually accompanied only by their offspring and are regarded as adult cows. Young males are regarded as...
  details

File AvailableBertschinger, H.J. 1994 Reproduction in black and white rhinos: a review: pp. 155-161, fig.1

In: Penzhorn, B.L. et al. Proceedings of a symposium on rhinos as game ranch animals. Onderstepoort, Republic of South Africa, 9-10 September 1994: pp. i-iv, 1-242
Location:
Subject:
Species:
World
Reproduction - Management methods
White Rhino
The only paper related to this subject, which does not include pregnancy, is that of Hindle et all. One northern and one southern rhino cow were used in the study. The main urinary steroids in white rhino cows were found to be oestradiol-17 and 20 -DHP. Cyclic patterns for both steroids were ...
  details

File AvailableBertschinger, H.J. 1994 Reproduction in black and white rhinos: a review: pp. 155-161, fig.1

In: Penzhorn, B.L. et al. Proceedings of a symposium on rhinos as game ranch animals. Onderstepoort, Republic of South Africa, 9-10 September 1994: pp. i-iv, 1-242
Location:
Subject:
Species:
World
Reproduction
Black Rhino
Gestation length recorded in the wild is, for obvious reasons, quite variable. The Natal Parks report a gestation period of 450 days with mean intercalving periods of 44 and 30 months in Hluhluwe and Umfolozi Parks, respectively. In Zurich Zoological Gardens, where 6 births have taken place in ...
  details

File AvailableBertschinger, H.J. 1994 Reproduction in black and white rhinos: a review: pp. 155-161, fig.1

In: Penzhorn, B.L. et al. Proceedings of a symposium on rhinos as game ranch animals. Onderstepoort, Republic of South Africa, 9-10 September 1994: pp. i-iv, 1-242
Location:
Subject:
Species:
World
Reproduction
Black Rhino
Black rhinos in Africa appear to cycle the year round. However, there is a bimodal distribution which is reflected in the calving pattern. The majority conceptions occur in October-November and a second peak is seen in April-July. These correspond with parturition peaks in January-February and ...
  details

File AvailableBertschinger, H.J. 1994 Reproduction in black and white rhinos: a review: pp. 155-161, fig.1

In: Penzhorn, B.L. et al. Proceedings of a symposium on rhinos as game ranch animals. Onderstepoort, Republic of South Africa, 9-10 September 1994: pp. i-iv, 1-242
Location:
Subject:
Species:
World
Reproduction
Black Rhino
Intercalving periods in Natal can, however, be as short as 20 and as long as 89 months in the same parks. In other parts of Africa mean calving intervals are similar to those reported above (26-48 months).
  details

File AvailableBertschinger, H.J. 1994 Reproduction in black and white rhinos: a review: pp. 155-161, fig.1

In: Penzhorn, B.L. et al. Proceedings of a symposium on rhinos as game ranch animals. Onderstepoort, Republic of South Africa, 9-10 September 1994: pp. i-iv, 1-242
Location:
Subject:
Species:
World
Reproduction
Black Rhino
Drops of milk on the teats (waxing?) are seen as long as 3 weeks before partus. The onset of udder development is sudden and massive and is seen 2-3 days before parturition. Parturition lasts 0,5-1 h and no complications have been recorded to date. One cow currently pregnant, has developed a v...
  details

File AvailableHeerden, J. van; Keffen, R.H.; Kuhn, F.; Rogers, P.; Morkel, P.; Atalia, N.; Raath, J.P.; Kernes, D.J. 1994 Clinical pathology parameters in white, black and northern white rhinos: pp. 189-195, tables 1-4

In: Penzhorn, B.L. et al. Proceedings of a symposium on rhinos as game ranch animals. Onderstepoort, Republic of South Africa, 9-10 September 1994: pp. i-iv, 1-242
Location:
Subject:
Species:
World
Reproduction - Management methods
African Rhino Species
Blood serum in African rhino. Serum progesterone concentrations in this investigation were found to be reliable indicators of pregnancy in black and white rhinoceroses but the wide range of serum concentrations observed would probably imply limited use in determination of the stage of pregnancy....
  details

File AvailableBertschinger, H.J. 1994 Reproduction in black and white rhinos: a review: pp. 155-161, fig.1

In: Penzhorn, B.L. et al. Proceedings of a symposium on rhinos as game ranch animals. Onderstepoort, Republic of South Africa, 9-10 September 1994: pp. i-iv, 1-242
Location:
Subject:
Species:
World
Reproduction - Management methods
All Rhino Species
Faecal and urine steroid hormone assays. The most exciting development with regard to the monitoring of wildlife reproduction has been the introduction of faecal and urine steroid hormone assays. This non-invasive approach allows accurate monitoring of the reproductive status of animals, as long...
  details

File AvailablePienaar, D.J. 1994 Social organization and behaviour of the white rhinoceros: pp. 87-92, tables 1-2

In: Penzhorn, B.L. et al. Proceedings of a symposium on rhinos as game ranch animals. Onderstepoort, Republic of South Africa, 9-10 September 1994: pp. i-iv, 1-242
Location:
Subject:
Species:
Africa - Southern Africa - South Africa
Reproduction
White Rhino
Kruger NP. A white rhino cow giving birth every 2,5 years between ages 6-40 years would produce 14 offspring in her lifetime. There is evidence from captive white rhinos in zoos that indicate that cows do not come into oestrus if there is only one bull with her. Although this is not always the...
  details

File AvailableBertschinger, H.J. 1994 Reproduction in black and white rhinos: a review: pp. 155-161, fig.1

In: Penzhorn, B.L. et al. Proceedings of a symposium on rhinos as game ranch animals. Onderstepoort, Republic of South Africa, 9-10 September 1994: pp. i-iv, 1-242
Location:
Subject:
Species:
World
Reproduction
White Rhino
Based on 5 observations in the wild the length of the oestrous cycle is given as ca 28 days. Cows in the Natal Parks cycle the year round but a bimodal calving pattern is observed with peaks in March and July corresponding to conceptions peaks in November and February.
  details

File AvailableBertschinger, H.J. 1994 Reproduction in black and white rhinos: a review: pp. 155-161, fig.1

In: Penzhorn, B.L. et al. Proceedings of a symposium on rhinos as game ranch animals. Onderstepoort, Republic of South Africa, 9-10 September 1994: pp. i-iv, 1-242
Location:
Subject:
Species:
World
Reproduction
White Rhino
Gestation period. Figures in the literature are sparse and are quoted as 547, 484 and 480 days.
  details

File AvailablePienaar, D.J. 1994 Social organization and behaviour of the white rhinoceros: pp. 87-92, tables 1-2

In: Penzhorn, B.L. et al. Proceedings of a symposium on rhinos as game ranch animals. Onderstepoort, Republic of South Africa, 9-10 September 1994: pp. i-iv, 1-242
Location:
Subject:
Species:
Africa - Southern Africa - South Africa
Reproduction
White Rhino
Gestation period 16 months
  details

File AvailablePienaar, D.J. 1994 Social organization and behaviour of the white rhinoceros: pp. 87-92, tables 1-2

In: Penzhorn, B.L. et al. Proceedings of a symposium on rhinos as game ranch animals. Onderstepoort, Republic of South Africa, 9-10 September 1994: pp. i-iv, 1-242
Location:
Subject:
Species:
Africa - Southern Africa - South Africa
Reproduction
White Rhino
Kruger NP. The mean intercalving interval is 2,5 years. Younger cows have shorter calving intervals than older cows..
  details

File AvailableBertschinger, H.J. 1994 Reproduction in black and white rhinos: a review: pp. 155-161, fig.1

In: Penzhorn, B.L. et al. Proceedings of a symposium on rhinos as game ranch animals. Onderstepoort, Republic of South Africa, 9-10 September 1994: pp. i-iv, 1-242
Location:
Subject:
Species:
World
Reproduction
White Rhino
Intercalving periods quoted in years are as follows: Umfolozi 2,63; Kruger National Park 2,70; Matopos 2,85 and Kyle 3,45.
  details

File AvailableBertschinger, H.J. 1994 Reproduction in black and white rhinos: a review: pp. 155-161, fig.1

In: Penzhorn, B.L. et al. Proceedings of a symposium on rhinos as game ranch animals. Onderstepoort, Republic of South Africa, 9-10 September 1994: pp. i-iv, 1-242
Location:
Subject:
Species:
World
Reproduction
Black Rhino
Schwarzenberger et al. have already shown that black rhinos probably have a post partum oestrus. Mating, however, is not allowed until about 15 months or more later. Manipulation of the post partum period by means of management can perhaps reduce the intercalving period and so increase the repr...
  details

File AvailableBertschinger, H.J. 1994 Reproduction in black and white rhinos: a review: pp. 155-161, fig.1

In: Penzhorn, B.L. et al. Proceedings of a symposium on rhinos as game ranch animals. Onderstepoort, Republic of South Africa, 9-10 September 1994: pp. i-iv, 1-242
Location:
Subject:
Species:
World
Reproduction
Black Rhino
Most researchers agree that sexual maturity in black rhino cows is reached at approximately 7 years of age, however, one cow was reported to have produced a calf at 5 years and 10 months and another at 6 years and 5 months of age, respectively.
  details

File AvailableBertschinger, H.J. 1994 Reproduction in black and white rhinos: a review: pp. 155-161, fig.1

In: Penzhorn, B.L. et al. Proceedings of a symposium on rhinos as game ranch animals. Onderstepoort, Republic of South Africa, 9-10 September 1994: pp. i-iv, 1-242
Location:
Subject:
Species:
World
Reproduction
Black Rhino
Data on bulls is limited to two observations, where a seven-year old bull showed no spermatogenic activity whereas an eight-year old did. The same authors gauge sexual maturity in black rhino bulls at 8 years but also mention that bulls do not hold their territory until 9 years of age.
  details

File AvailableBertschinger, H.J. 1994 Reproduction in black and white rhinos: a review: pp. 155-161, fig.1

In: Penzhorn, B.L. et al. Proceedings of a symposium on rhinos as game ranch animals. Onderstepoort, Republic of South Africa, 9-10 September 1994: pp. i-iv, 1-242
Location:
Subject:
Species:
World
Reproduction
Black Rhino
The bull approaches the cow during pro-oestrus carefully and with a typical stiff-legged gait. They stand head-to-head sniffing each other, frequently make gargling noises and spar with their horns. The bull horns the cow between the hindlegs and in the flank from time to time. This is often f...
  details

File AvailableBertschinger, H.J. 1994 Reproduction in black and white rhinos: a review: pp. 155-161, fig.1

In: Penzhorn, B.L. et al. Proceedings of a symposium on rhinos as game ranch animals. Onderstepoort, Republic of South Africa, 9-10 September 1994: pp. i-iv, 1-242
Location:
Subject:
Species:
World
Reproduction
Black Rhino
The cow allows mating for one day only
  details

File AvailablePienaar, D.J. 1994 Social organization and behaviour of the white rhinoceros: pp. 87-92, tables 1-2

In: Penzhorn, B.L. et al. Proceedings of a symposium on rhinos as game ranch animals. Onderstepoort, Republic of South Africa, 9-10 September 1994: pp. i-iv, 1-242
Location:
Subject:
Species:
Africa - Southern Africa - South Africa
Reproduction
White Rhino
Kruger NP. Copulations lasted 15-30 minutes, with ejaculations every 4-5 minutes.
  details

File AvailableBertschinger, H.J. 1994 Reproduction in black and white rhinos: a review: pp. 155-161, fig.1

In: Penzhorn, B.L. et al. Proceedings of a symposium on rhinos as game ranch animals. Onderstepoort, Republic of South Africa, 9-10 September 1994: pp. i-iv, 1-242
Location:
Subject:
Species:
Africa - Southern Africa - South Africa
Reproduction
White Rhino
Cows in the Natal Parks cycle the year round but a bimodal calving pattern is observed with peaks in March and July corresponding to conceptions peaks in November and February.
  details

File AvailableBertschinger, H.J. 1994 Reproduction in black and white rhinos: a review: pp. 155-161, fig.1

In: Penzhorn, B.L. et al. Proceedings of a symposium on rhinos as game ranch animals. Onderstepoort, Republic of South Africa, 9-10 September 1994: pp. i-iv, 1-242
Location:
Subject:
Species:
World
Reproduction
White Rhino
White rhinos are gregarious and are encountered in smaller groups of up to 18 animals. Sometimes an adult bull occurs in such a group. They do not tolerate calves close to themselves and calves are continuously in danger of being killed in such cases. Apparently white rhinos need a certain mini...
  details

File AvailableBloor, C. 1994 Two shillings to ride the rhino. Journal of the Bartlett Society 5: 27-29
Location:
Subject:
Species:
World
Reproduction
All Rhino Species
No details available yet
  details

File AvailableSargent, I. 1994 Twilight over Burma: my life as a Shan princess. Honolulu, University of Hawaii Press, pp. i-xxiv, 1-216
Location:
Subject:
Species:
World
Reproduction
Sumatran Rhino
No details available yet
  details

File AvailableJohnston, L.A. 1994 Characterization of the reproductive cycle in the Sumatran rhinoceros (Dicerorhinus sumatrensis). Source unknown, pp. 1-11
Location:
Subject:
Species:
Captive
Reproduction
Sumatran Rhino
No details available yet
  details

File AvailableMishra, P.C. 1994 Manual delivery of a captive Indian rhinoceros calf (Rhinoceros unicornis) at Sanjay Gandhi Biological Park, Patna. Zoos' Print, Coimbatore 9 (9): 1-2
Location:
Subject:
Species:
Captive
Reproduction
Indian Rhino
No details available yet
  details

File AvailableNath, N.C.; Hussain, A.; Rahman, F. 1993 Milk characteristics of a captive Indian rhinoceros (Rhinoceros unicornis). Journal of Zoo and Wildlife Medicine 24: 528-533, fig. 1, tables 1-2
Location:
Subject:
Species:
Captive - Asia
Reproduction
Indian Rhino
Gauhati Zoo. The calf suckled the mother generally at 15-20-min intervals. During the day the maximum suckling interval was 1 hr from 0400 hr to 0500 hr, at which time the mother left the calf in the shed and came out to wallow and eat. At about 0500 hr the calf joined the mother for suckling....
  details

File AvailableNath, N.C.; Hussain, A.; Rahman, F. 1993 Milk characteristics of a captive Indian rhinoceros (Rhinoceros unicornis). Journal of Zoo and Wildlife Medicine 24: 528-533, fig. 1, tables 1-2
Location:
Subject:
Species:
Captive - Asia
Reproduction
Indian Rhino
Gauhati birth 1989. The lactation length of the cow was 20 months. A lactation period of more than 19 mo has been reported for the African black rhinoceros.
  details

File AvailableNath, N.C.; Hussain, A.; Rahman, F. 1993 Milk characteristics of a captive Indian rhinoceros (Rhinoceros unicornis). Journal of Zoo and Wildlife Medicine 24: 528-533, fig. 1, tables 1-2
Location:
Subject:
Species:
World
Reproduction
Indian Rhino
Knowledge of milk composition is a prerequisite for preparing an appropriate milk substitute for a species. The State of Assam in northeastern India experiences heavy flooding every year that causes separation of Indian rhinoceros (Rhinoceros unicornis) calves from their mothers. As a result, z...
  details

File AvailableNath, N.C.; Hussain, A.; Rahman, F. 1993 Milk characteristics of a captive Indian rhinoceros (Rhinoceros unicornis). Journal of Zoo and Wildlife Medicine 24: 528-533, fig. 1, tables 1-2
Location:
Subject:
Species:
Captive - Asia
Reproduction
Indian Rhino
Gestation period 506 days, Gauhati 1989
  details

File AvailableAnonymous 1993 Hoera, het is een meisje!. Zoo Anvers 58 (3): 10-11
Location:
Subject:
Species:
Captive - Europe
Reproduction
Indian Rhino
Gestation period 476 days, Antwerp 1992
  details

File AvailableStruyf, K. 1993 Uit het plakalbum van Teja, de kleine Indische neushoorn. Zoo Anvers 58 (4): 26-29, figs. 1-12
Location:
Subject:
Species:
Captive - Europe
Reproduction
Indian Rhino
Planckendael 1992. After 16 mins, the baby tries to stand. After one hour the baby stands nicely. After 4 hours she suckles for the first time.
  details

File AvailableAnonymous 1993 Hoera, het is een meisje!. Zoo Anvers 58 (3): 10-11
Location:
Subject:
Species:
Captive - Europe
Reproduction
Indian Rhino
Planckendael Nov 1992. The birth took 18 hours.
  details

File AvailableStruyf, K. 1993 Uit het plakalbum van Teja, de kleine Indische neushoorn. Zoo Anvers 58 (4): 26-29, figs. 1-12
Location:
Subject:
Species:
World
Reproduction
Indian Rhino
Time of Day 06.38 am, Antwerp, 1992
  details

File AvailableAnonymous 1993 Teja, de baby wordt kleuter. Zoo Anvers 58 (4): 10
Location:
Subject:
Species:
Captive
Reproduction
All Rhino Species
No details available yet
  details

File AvailableGodfrey, R.W.; Srivastava, L.; Russell, P.T.; Dresser, B.L. 1993 Progress in reproductive physiology research in rhinoceros: pp. 149-152, fig. 1

In: Ryder, O.A. Rhinoceros biology and conservation: Proceedings of an international conference, San Diego, U.S.A. San Diego, Zoological Society: pp. i-v, 1-368
Location:
Subject:
Species:
World
Reproduction
All Rhino Species
No details available yet
  details

File AvailableHindle, J.E.; Vahala, J.; Hodges, J.K. 1993 Recent advances in reproductive monitoring of rhinos in captivity and in the wild: pp. 141-148, figs. 1-6, table 1

In: Ryder, O.A. Rhinoceros biology and conservation: Proceedings of an international conference, San Diego, U.S.A. San Diego, Zoological Society: pp. i-v, 1-368
Location:
Subject:
Species:
World
Reproduction
All Rhino Species
No details available yet
  details

File AvailableNoble, S.J.; Ryder, O.A. 1993 Perinatal mortality in rhinos: pp. 367-368

In: Ryder, O.A. Rhinoceros biology and conservation: Proceedings of an international conference, San Diego, U.S.A. San Diego, Zoological Society: pp. i-v, 1-368
Location:
Subject:
Species:
World
Reproduction
All Rhino Species
No details available yet
  details

File AvailablePrasetyo, L.; Noordin, M. 1993 Sumatran rhino (Dicerorhinus sumatrensis) captive propagation in relation to its conservation: pp. 274-276

In: Ryder, O.A. Rhinoceros biology and conservation: Proceedings of an international conference, San Diego, U.S.A. San Diego, Zoological Society: pp. i-v, 1-368
Location:
Subject:
Species:
Asia
Reproduction
Sumatran Rhino
No details available yet
  details

File AvailableSvitalsky, M.; Vahala, J.; Spala, P. 1993 Breeding experience with northern white rhinoceros (Ceratotherium simum cottoni) at Zoo Dvur Kralove: pp. 282-286, table 1

In: Ryder, O.A. Rhinoceros biology and conservation: Proceedings of an international conference, San Diego, U.S.A. San Diego, Zoological Society: pp. i-v, 1-368
Location:
Subject:
Species:
Captive
Reproduction
White Rhino
No details available yet
  details

File AvailableLessee, J. 1993 Sex and the single rhino. Really Rhinos 7 (1): 2
Location:
Subject:
Species:
World
Reproduction
All Rhino Species
No details available yet
  details

File AvailableZainuddin, Zainal Zahari; Jainudeen, M.R.; Shamsuddin, M. 1993 Ultrasonography of the female reproductive system in the Sumatran rhinoceros. Proceedings of the VAM Congress 5: 97-98
Location:
Subject:
Species:
World
Reproduction
Sumatran Rhino
No details available yet
  details

Noble, K.; Bass, R. 1993 Oh look, it's a nosserus. Chicago, Silver Seahorse Press, pp. 1-29
Location:
Subject:
Species:
Captive
Reproduction
All Rhino Species
No details available yet
  details

File AvailableHayssen, V.; Tienhoven, A. van 1993 Asdell's patterns of mammalian reproduction: a compendium of species-specific data. Ithaca and London, Comstock.
Location:
Subject:
Species:
World
Reproduction
All Rhino Species
No details available yet
  details

File AvailableVondra, Z.; Zdarek, J.; Kober, M.; Petrzilek, P.; Hak,V. 1993 Hand-rearing of black rhino. Annual Report, Dvur Kralove Zoological Garden 1993: 41- 49, figs. 1-5, tables 1-6
Location:
Subject:
Species:
Africa
Reproduction
Black Rhino
No details available yet
  details

File AvailableRamsay, C. 1993 Reproductive biology of female African rhinoceros: pp. 17-20

In: Penzhorn, B.L. Proceedings of an international symposium on capture, care and management of threatened mammals. Onderstepoort, Wildlife Group of the South African Veterinary Association: pp. i-iv, 1-83
Location:
Subject:
Species:
Africa
Reproduction
African Rhino Species
No details available yet
  details

File AvailableZoological Society of San Diego 1993 San Diego Zoo celebrates first rhino birth. Animal Keeper's Forum 20 (2): 48, 1 plate
Location:
Subject:
Species:
America - North America
Reproduction
Black Rhino
No details available yet
  details

File AvailableSmith, R.L.; Read, B. 1992 Management parameters affecting the reproductive potential of captive female black rhinoceros, Diceros bicornis. Zoo Biology 11: 375-383, fig. 1, tables 1-3
Location:
Subject:
Species:
Captive
Reproduction
All Rhino Species
No details available yet
  details

File AvailableGarnier, J.N. 1992 Statut demographique, ecologique et pathologique du rhinoceros noir Diceros bicornis. Alfort, Ecole Nationale Veterinaire (These pour le Doctorat Veterinaire), pp. i, 1-121
Location:
Subject:
Species:
Africa
Reproduction
Black Rhino
No details available yet
  details

File AvailableHaering, H.P. 1992 Indische Panzernashorn: ein Blick in die Zoo-Kinderstube. Du + die Natur (Schweizer Tierschutz) no.3: 24-27, figs. 1-13
Location:
Subject:
Species:
Captive - Europe
Reproduction
Indian Rhino
No details available yet
  details

File AvailableCzekala, N.; Hagey, L. 1992 Reproductive research in Sumatran rhinoceros. CRES Report Winter 1992-93: 4, 2 images
Location:
Subject:
Species:
Captive - North America
Reproduction
Sumatran Rhino
No details available yet
  details