Reference Base Notes for: Reproduction back to search page Sort order: ------------------- Date ASC Author normal    (11)  ... 5 6 7 8 9 ...   Blasdel, T.L.; Goen, T.; Olsen, T.S.; Connors, J.H.; Farne, L.A.; Flanagan, J.P.; Densmore, M.A.; Loskutoff, N.L.; Capp, J.; Fuller, D.; Kraemer, D.C. 1991 Captive management of the white rhinoceros for reproductive studies (Abstract). Applied Animal Behavior Science 29: 514 Location: Subject: Species: World Reproduction - Management methods All Rhino Species More intensive management practices at the Houston Zoological Gardens have made possible the adaptation of artificial reproduction techniques to a pair of southern white rhinoceroses. Both animals have been trained to enter a chute for blood collection, rectal palpation, external massage and olf...   details Rueedi, D. 1991 Zolli-Panzernashorn Nr. 22 und 23. Zolli, Basel 66: 12-14, figs. 1-4 Location: Subject: Species: Captive - Europe Reproduction Indian Rhino Basel Zoo. Ellora, 8 years old, had her first baby, a male called Nandi on 31 May 1990.   details Francke, R.; Schwarzenberger, F. 1991 Traechtigkeitsdiagnose durch Steroidhormonanalyse aus Kotproben bei einem Spitzmaulnashorn (Diceros bicornis) im Zoologischen Garten Berlin: pp. 44-48, figs. 1-4 In: Kloes, H.G. et al. International studbook of African rhinoceroses (Diceros bicornis / Ceratotherium simum), 31.12.1990, No. 4. Berlin, Zoologischer Garten: pp. 1-198 Location: Subject: Species: Africa Reproduction Black Rhino No details available yet   details Herrmann, V.M.; Miller, R.E. 1991 Total parenteral nutrition in a premature rhinoceros calf. Nutrition in Clinical Practice 6: 193-196, figs. 1-5 Location: Subject: Species: World Reproduction All Rhino Species No details available yet   details Dresser, B. 1991 Rhino revelation. Newsletter CREW 9 (2): 1, 4 Location: Subject: Species: World Reproduction All Rhino Species No details available yet   details Dresser, B. 1991 Crew's rhino research. Newsletter CREW 9 (2): 5, fig. 1 Location: Subject: Species: World Reproduction All Rhino Species No details available yet   details Francke, R.; Schwarzenberger, F.; Goeltenboth, R.; Kloes, H.G. 1991 Zyklus- und Traechtigkeitsdiagnose durch Gestagenanalysen in Kotproben von Spitzmaul-Nashornern (Diceros bicornis) in Zoologischen Garten Berlin. Reproduction in Domestic Animals 26 (4): 190-191 Location: Subject: Species: Africa Reproduction Black Rhino No details available yet   details Kabakoff, B. 1991 White rhino born at Memphis Zoo. AAZPA Communique 32 (May) 5: 18, fig. 1 Location: Subject: Species: Captive Reproduction White Rhino No details available yet   details Lappa, K. 1991 Black rhino born at Brookfield Zoo. AAZPA Communique 32 (May) 5: 18, fig. 1 Location: Subject: Species: Captive Reproduction Black Rhino No details available yet   details Adams, G.P.; Plotka, E.D.; Asa, C.S.; Ginther, O.J. 1991 Feasibility of characterizing reproductive events in large nondomestic species by transrectal ultrasonic imaging. Zoo Biology 10: 247-259 Location: Subject: Species: World Reproduction All Rhino Species No details available yet   details Durrant, B. 1991 Reproductive physiology (in White rhinos). CRES Report Summer 1991: p2 Location: Subject: Species: Captive - North America Reproduction - Management methods White Rhino No details available yet   details Hindle, J.E. 1991 Reproductive assessment in female African rhinoceroses by urinary steroid analysis. Thesis presented to University College London, pp. 1-376 Location: Subject: Species: Africa Reproduction African Rhino Species No details available yet   details Schaffer, N.E.; Beehler, B.A. 1990 Preliminary studies on the anatomy and ultrasonic images of the reproductive structure of three species of rhinoceros (Rhinoceros unicornis, Diceros bicornis, Ceratotherium simum). Proceedings of the American Association of Zoo Veterinarians 1990: 242-248, 2 figures, 1 table Location: Subject: Species: World Reproduction - Management methods All Rhino Species Equipment. The best images of the cervix and caudal uterus in these species were obtained with hand-held 5.0 MHz linear array transducers for sagittal images, and 3.5 (90?) MHz convex transducers for cross-sectional images. For the African species, the 5.0 MHz linear-array transducer was attach...   details Skinner, J.D.; Smithers, R.H.N. 1990 The mammals of the southern African subregion, new edition. Pretoria, University of Pretoria, pp. i-xxxii, 1-771 Location: Subject: Species: World Reproduction Black Rhino Calves walk and suckle within three hours of birth. At this stage the females are extremely intolerant of disturbance. At birth calves are lighter in colour than adults and are sparsely haired. They are alert and playful and appear to have keener eyesight than their mothers. Suckling at first...   details Skinner, J.D.; Smithers, R.H.N. 1990 The mammals of the southern African subregion, new edition. Pretoria, University of Pretoria, pp. i-xxxii, 1-771 Location: Subject: Species: World Reproduction Black Rhino The calf is rejected by the cow at two to four years of age, either during the cow's next pregnancy or at birth of the new calf. If rejection of the calf takes place after the new calf is born, the rejection by the female may be active and vicious (Moss, 1976). The calf continues to grow until ...   details Skinner, J.D.; Smithers, R.H.N. 1990 The mammals of the southern African subregion, new edition. Pretoria, University of Pretoria, pp. i-xxxii, 1-771 Location: Subject: Species: World Reproduction Black Rhino Spermatogenesis commences in males after eight years of age, but no male was observed holding a territory or mating which was under nine years of age (Hitchins & Anderson, 1983).   details Schaffer, N.E.; Beehler, B.A.; Jeyendram, R.S.; Balke, B. 1990 Methods of semen collection in an ambulatory greater one-horned rhinoceros (Rhinoceros unicornis). Zoo Biology 9: 211-221, figs. 1-3, table 1 Location: Subject: Species: World Reproduction Indian Rhino Sperm counts. Method Volume Sperm count Motility Penile Massage 16.9 (0.2-50) 7.1 (0-208) 15.8 (0-80) AV 46.7 (30-60) - Rectal massage 3.0 55 30 Electroejaculation - Rectal&Penile massage 10.6 (2-2...   details Skinner, J.D.; Smithers, R.H.N. 1990 The mammals of the southern African subregion, new edition. Pretoria, University of Pretoria, pp. i-xxxii, 1-771 Location: Subject: Species: World Reproduction Black Rhino Gestation period. 15 months   details Schaffer, N.E.; Beehler, B.A.; Jeyendram, R.S.; Balke, B. 1990 Methods of semen collection in an ambulatory greater one-horned rhinoceros (Rhinoceros unicornis). Zoo Biology 9: 211-221, figs. 1-3, table 1 Location: Subject: Species: World Reproduction - Management methods Indian Rhino A penile massage collection proceeded with two operators kneeling at the rear of the rhino to massage the penis. Rubbing the medial aspects of the rear legs and the stomach always induced let-down of the penis from the sheath so it could be massaged directly. When released from the sheath, the ...   details Schaffer, N.E.; Beehler, B.A.; Jeyendram, R.S.; Balke, B. 1990 Methods of semen collection in an ambulatory greater one-horned rhinoceros (Rhinoceros unicornis). Zoo Biology 9: 211-221, figs. 1-3, table 1 Location: Subject: Species: World Reproduction - Management methods Indian Rhino Two different water-filled artificial vaginas (AV) were constructed. A water-filled AV similar to a standard domestic animal AV which provides the warmth and pressure needed to induce ejaculation was developed. Briefly, an 18 cm x 50 cm PVC pipe was used as support for two 15 cm latex liners: o...   details Dolan, J.M.; Killmar, L.E.; Penny, C.G. 1990 The mammal collection of the Zoological Society of San Diego, a historical perspective, part IV: Orycteropodidae to Camelidae. Zoologische Garten 60 (2): 93-132, figs. 1-2 Location: Subject: Species: Captive - North America Reproduction Indian Rhino San Diego WAP. Distribution of 7 births over the year: Jan 0 Apr 0 July 1 Oct 1 Feb 0 May 1 Aug 1 Nov 0 Mar 2 June 1 Sep 0 Dec 0 End   details Choudhury, B.N. 1990 Aggressive courtship. Zoos Print 5 (8): 2, fig. 1 Location: Subject: Species: World Reproduction Indian Rhino The courtship of the male was quite aggressive as soon as the female becomes restless.   details Skinner, J.D.; Smithers, R.H.N. 1990 The mammals of the southern African subregion, new edition. Pretoria, University of Pretoria, pp. i-xxxii, 1-771 Location: Subject: Species: World Reproduction Black Rhino In Natal, Anderson (1983) found that pro-oestrus lasts six to seven days and is characterised by frequent tail-erecting by the female. During this time the male was in attendance and oestrus lasted only one day. During pro-oestrus complex encounters between a bull and a cow occur, the cow squir...   details Skinner, J.D.; Smithers, R.H.N. 1990 The mammals of the southern African subregion, new edition. Pretoria, University of Pretoria, pp. i-xxxii, 1-771 Location: Subject: Species: World Reproduction White Rhino Bulls start holding territories at an age of 12,5 years (Condy, 1973) and can detect when cows are in pro-oestrus for they form a close attachment with a cow for a considerable time before mating. During this period bulls will take active steps to prevent cows from leaving their territory, chasi...   details Dolan, J.M.; Killmar, L.E.; Penny, C.G. 1990 The mammal collection of the Zoological Society of San Diego, a historical perspective, part IV: Orycteropodidae to Camelidae. Zoologische Garten 60 (2): 93-132, figs. 1-2 Location: Subject: Species: Captive - North America Reproduction White Rhino San Diego WAP Distribution of 61 births over the year: Jan 5 Apr 6 July 10 Oct 5 Feb 1 May 7 Aug 3 Nov 7 Mar 4 June 4 Sep 3 Dec 6 End   details Skinner, J.D.; Smithers, R.H.N. 1990 The mammals of the southern African subregion, new edition. Pretoria, University of Pretoria, pp. i-xxxii, 1-771 Location: Subject: Species: World Reproduction White Rhino For the first three days following parturition the calf is unsteady on its feet, thereafter it keeps close to its protective mother.   details Skinner, J.D.; Smithers, R.H.N. 1990 The mammals of the southern African subregion, new edition. Pretoria, University of Pretoria, pp. i-xxxii, 1-771 Location: Subject: Species: World Reproduction White Rhino The oestrous cycle length is approximately 28 days (n=5) based on the inter-oestrus intervals and hormonal profiles of captive C. s. cottoni   details Skinner, J.D.; Smithers, R.H.N. 1990 The mammals of the southern African subregion, new edition. Pretoria, University of Pretoria, pp. i-xxxii, 1-771 Location: Subject: Species: World Reproduction White Rhino Females breed from an age of four years   details Haagner, C. 1990 Another rhino born at Augrabies ('n Tweede kalf vir Blompot). Custos 18 (12): 10-12, figs. 1-4 Location: Subject: Species: Africa - Southern Africa - South Africa Reproduction Black Rhino Aughrabies NP. A female had a calf born in October 1987 and another was seen on 18 October 1989, which gives the unusual short interval of 24 months.   details Anonymous 1990 Augrabies: 'Plek van die groot geraas'. Custos 19 (7): 26 Location: Subject: Species: Africa - Southern Africa - South Africa Reproduction Black Rhino Augrabies NP. A female translocated from Etosha in 1985, gave birth in October 1987 and again in 1989 [month not stated], which is extraordinary as the usual interval is 3 years.   details Skinner, J.D.; Smithers, R.H.N. 1990 The mammals of the southern African subregion, new edition. Pretoria, University of Pretoria, pp. i-xxxii, 1-771 Location: Subject: Species: World Reproduction Black Rhino Calving intervals in Hluhluwe were 44 months and in Umfolozi 30 months.   details Skinner, J.D.; Smithers, R.H.N. 1990 The mammals of the southern African subregion, new edition. Pretoria, University of Pretoria, pp. i-xxxii, 1-771 Location: Subject: Species: World Reproduction Black Rhino Hitchins & Anderson (1983) found that females may produce calves when only 6,5 years of age, but this is exceptional and they usually only conceive after seven years of age.   details Skinner, J.D.; Smithers, R.H.N. 1990 The mammals of the southern African subregion, new edition. Pretoria, University of Pretoria, pp. i-xxxii, 1-771 Location: Subject: Species: World Reproduction White Rhino The calf is weaned at about a year old and separates from its mother at about two or three years of age. If the female loses her next calf, the bond between them may be reestablished.   details Skinner, J.D.; Smithers, R.H.N. 1990 The mammals of the southern African subregion, new edition. Pretoria, University of Pretoria, pp. i-xxxii, 1-771 Location: Subject: Species: World Reproduction Black Rhino Observations confined to daytime showed that copulation occurred two to seven times (n=47); duration of copulation varied from 12 to 43 minutes and the number of ejaculations ranged from twice in 12 minutes to nine times in 43 minutes.   details Skinner, J.D.; Smithers, R.H.N. 1990 The mammals of the southern African subregion, new edition. Pretoria, University of Pretoria, pp. i-xxxii, 1-771 Location: Subject: Species: World Reproduction White Rhino White rhinoceros breed at any time of the year, but in Natal there are peaks of calving in March & July.   details Skinner, J.D.; Smithers, R.H.N. 1990 The mammals of the southern African subregion, new edition. Pretoria, University of Pretoria, pp. i-xxxii, 1-771 Location: Subject: Species: World Reproduction Black Rhino Black rhinoceros may breed at any time of the year in the Subregion. In the Hluhluwe/ Umfolozi Game Reserve there are minor peaks in births in January and again from June to August.   details Skinner, J.D.; Smithers, R.H.N. 1990 The mammals of the southern African subregion, new edition. Pretoria, University of Pretoria, pp. i-xxxii, 1-771 Location: Subject: Species: World Reproduction White Rhino The female usually moves away from the group to give birth.   details Schaffer, N.E.; Beehler, B.A.; Jeyendram, R.S.; Balke, B. 1990 Methods of semen collection in an ambulatory greater one-horned rhinoceros (Rhinoceros unicornis). Zoo Biology 9: 211-221, figs. 1-3, table 1 Location: Subject: Species: World Reproduction - Management methods Indian Rhino For rectal massage, an operator inserted a plastic-sleeved, lubricated hand through the anal sphincter and then manually massaged the accessory glands through the mucosa of the caudal rectum. The prostate and bulbourethral ogland, which were about 10-15 cm proximally to the anal sphincter, were ...   details Schaffer, N.E.; Beehler, B.A.; Jeyendram, R.S.; Balke, B. 1990 Methods of semen collection in an ambulatory greater one-horned rhinoceros (Rhinoceros unicornis). Zoo Biology 9: 211-221, figs. 1-3, table 1 Location: Subject: Species: World Reproduction - Management methods Indian Rhino Standard electrical probes used for domestic animals could not be utilized since they usually rolled in the gas-expanded rectum of the rhino. Because of this, the electrodes would inter-mittently lose contact with the rectal mucosa and therefore current could not be effectively controlled. The ...   details Godfrey, R.W.; Pope, C.E.; Dresser, B.L.; Bavister, B.D.; Andrews, J.C.; Olsen, J.H. 1990 An attempt to superovulate a southern white rhinoceros (Ceratotherium simum simum). Theriogenology 33: 231 Location: Subject: Species: World Reproduction White Rhino Embryo transfer in conjunction with superovulation. One technique that will be beneficial is embryo transfer in conjunction with superovulation. This study was designed to evaluate the response of a female Ceratotherium simum simum to a superovulation hormone regimen. The animal was 27 years ...   details Kuckelkorn, B.; Dathe, H.H. 1990 Traechtigkeitsdiagnose beim Panzernashorn (Rhinoceros unicornis) an hand von Progesteronbestimmungen im Speichel. Zoologische Garten 60 (6): 333-340 Location: Subject: Species: Asia Reproduction Indian Rhino No details available yet   details Zainuddin, Zainal Zahari; Tajuddin Abdullah, M.; Shamsuddin, M. 1990 Precopulatory behavior in Sumatran rhinoceros at Zoo Melaka. Proceedings of the SEA Zoos 3: 91-99 Location: Subject: Species: Captive Reproduction Sumatran Rhino No details available yet   details Kinsey, F.M. 1990 Denver zoo reports significant (Black rhino) birth(s). AAZPA Communique 31 (Jan) 1: 20, fig. 1 Location: Subject: Species: Captive Reproduction All Rhino Species No details available yet   details Prasetyo, L.H.; Alikodra, H.S.; Utami, M.; Suhardjito, B.; Manansang, Y. 1990 Captive propagation of Sumatran rhinoceros (Dicerorhinus sumatrensis) in Indonesia. Proceedings of the Conference of South East Asian Zoos no.3: 84-89 Location: Subject: Species: Captive - Asia Reproduction Sumatran Rhino No details available yet   details Jessup, D.A.; Kock, M.D. 1990 Research opportunities on free-ranging black rhinoceros captured for relocation and collaboration with captive rhino research. AAZPA Regional Proceedings 1990: 174-178 Location: Subject: Species: Captive Reproduction Black Rhino No details available yet   details Trense, W. 1989 The big game of the world. Hamburg and Berlin, Paul Parey, pp. 1-413 Location: Subject: Species: World Reproduction Black Rhino Gestation period. 15 months   details Sakamoto, J. 1989 Keeping and breeding black rhinoceros. [in Japanese]. Animals and Zoo 1989 (4): 134-137, figs. 1-5, table 1 Location: Subject: Species: Captive - Asia Reproduction Black Rhino Gestation period. 476 days, Hiroshima 1984   details Sakamoto, J. 1989 Keeping and breeding black rhinoceros. [in Japanese]. Animals and Zoo 1989 (4): 134-137, figs. 1-5, table 1 Location: Subject: Species: Captive - Asia Reproduction Black Rhino Gestation period. 447 days, Hiroshima 1988   details Sakamoto, J. 1989 Keeping and breeding black rhinoceros. [in Japanese]. Animals and Zoo 1989 (4): 134-137, figs. 1-5, table 1 Location: Subject: Species: Captive - Asia Reproduction Black Rhino Gestation period. 449 days, Hiroshima 1981   details Seal, U.S. 1989 Fear for rhinos. IUCN Bulletin 20 (7/9): 7 Location: Subject: Species: World Reproduction Javan Rhino 16 months gestation   details Dutta, G.C.; Bhattacharyya 1989 Some observations on daily habitual activity of one horned rhinoceros. Zoos Print 4 (11): 19, fig. 1 Location: Subject: Species: Asia - South Asia - India - Assam Reproduction Indian Rhino Kaziranga. A pair of rhino was seen fighting each other before mating.   details Trense, W. 1989 The big game of the world. Hamburg and Berlin, Paul Parey, pp. 1-413 Location: Subject: Species: World Reproduction Javan Rhino Gestation period 480 days   details Trense, W. 1989 The big game of the world. Hamburg and Berlin, Paul Parey, pp. 1-413 Location: Subject: Species: World Reproduction Indian Rhino Gestation period 16 months   details Sakamoto, J. 1989 Keeping and breeding black rhinoceros. [in Japanese]. Animals and Zoo 1989 (4): 134-137, figs. 1-5, table 1 Location: Subject: Species: Captive - Asia Reproduction Black Rhino Gestation period. 440 days, Hiroshima 1982   details Sakamoto, J. 1989 Keeping and breeding black rhinoceros. [in Japanese]. Animals and Zoo 1989 (4): 134-137, figs. 1-5, table 1 Location: Subject: Species: Captive - Asia Reproduction Black Rhino Gestation period. 444 days, Hiroshima 1986   details Sakamoto, J. 1989 Keeping and breeding black rhinoceros. [in Japanese]. Animals and Zoo 1989 (4): 134-137, figs. 1-5, table 1 Location: Subject: Species: World Reproduction Black Rhino Gestation period. 461 days, Hiroshima 1977   details Brett, R.A.; Hodges, J.K.; Wanjohi, E. 1989 Assessment of reproductive status of the black rhinoceros (Diceros bicornis) in the wild. Symposium of the Zoological Society of London 61: 147-161, 3 figures, 3 tables Location: Subject: Species: Africa - Eastern Africa - Kenya Reproduction - Management methods Black Rhino Urine sampling in males and females. The number of black rhinoceros remaining in Kenya is estimated to be in the region of 400. Much money and effort is being spent on measures to protect and manage the few viable black rhinoceros populations remaining in Kenya within special sanctuaries or rese...   details Rueedi, D. 1989 Panzernashorn Nr. 21. Zolli, Basel 62: 7, pls. 1-2 Location: Subject: Species: Captive - Europe Reproduction Indian Rhino Gestation period 472 days, Basel 1988   details Seal, U.S. 1989 Fear for rhinos. IUCN Bulletin 20 (7/9): 7 Location: Subject: Species: World Reproduction Javan Rhino a 3-year minimum interval between births   details Trense, W. 1989 The big game of the world. Hamburg and Berlin, Paul Parey, pp. 1-413 Location: Subject: Species: World Reproduction White Rhino Gestation period 16 months   details Sakamoto, J. 1989 Keeping and breeding black rhinoceros. [in Japanese]. Animals and Zoo 1989 (4): 134-137, figs. 1-5, table 1 Location: Subject: Species: Captive - Asia Reproduction Black Rhino Gestation period. 436 days, Hiroshima 1979   details Kiwia, H.D. 1989 Black rhinoceros (Diceros bicornis (L.)): population size and structure in Ngorongoro Crater, Tanzania. African Journal of Ecology 27: 1-6, fig.1, tables 1-2 Location: Subject: Species: Africa - Eastern Africa - Tanzania Reproduction Black Rhino Ngorongoro, Tanzania. The intercalving interval of two known females in the area was observed to be 27-28 months. Goddard (1967a) reported an intercalving interval of 27 months.   details Seal, U.S. 1989 Fear for rhinos. IUCN Bulletin 20 (7/9): 7 Location: Subject: Species: World Reproduction Javan Rhino First breeds at about the age of seven.   details Kirkwood, J.K.; Eva, J.; Jackson, S.I.; Kichenside, T.; Harman, B.; Crawford, M.A. 1989 Nutrition and growth of hand-reared, low birthweight black rhinoceros (Diceros bicornis) during her first six months. Proceedings of the American Association of Zoo Veterinarians 1989: 32-41, figs. 1-5, tables 1-2 Location: Subject: Species: Captive Reproduction Black Rhino No details available yet   details Sabharwal, D.N. 1989 Birth of rhino calves in Kanpur Zoo. Zoos Print 4 (12): 5-7, fig. 1, table 1 Location: Subject: Species: Captive Reproduction Indian Rhino No details available yet   details Godfrey, R.W.; Dresser, B.L. 1989 Coordination of research efforts involving rhinoceros in the United States. Proceedings of the American Association of Zoo Veterinarians 1989: 54 Location: Subject: Species: World Reproduction All Rhino Species No details available yet   details Grogan, B.A.; Grogan, G.A. 1989 Management and breeding of Southern White rhinoceros (Ceratotherium simum simum) at the Jacksonville Zoo. Proceedings of the 15th National Conference of the American Association of Zoo Keeper's Inc. Syracuse, New York, October 1-5: 38-44, 3 plates, 1 figure Location: Subject: Species: America - North America Reproduction - Management methods White Rhino No details available yet   details Schaffer, N.E.; Beehler, B.A. 1988 Overview of procedures and results of semen collection from ambulatory rhinoceroses. Proceedings of the AAZPA Annual Conference 1988: 273-279, tables 1-5 Location: Subject: Species: World Reproduction All Rhino Species Sperm motilities were high in these rhinoceroses. These samples had very little accessory gland fluids in them and therefore were probably not representative of a normal ejaculate. Sperm abnormalities were high in these species. White and Indian rhinoceroses exhibited primarily sperm tail abno...   details Hodges, J.K.; Hindle, J.E. 1988 Comparative aspects of steroid metabolism in rhinoceroses: implications for reproductive assessment: pp. 83-91, figs. 1-5 In: Dresser, B. et al. Proceedings of the 5th Internatioinal Conference on breeding endangered species in captivity. Cincinnati, Zoo and Botanical Garden: pp. i-xii, 1-722 Location: Subject: Species: World Reproduction - Management methods All Rhino Species Steroid metabolism in different species. The reasons for the poor breeding record in captivity are unclear, but undoubtedly one of the main contributing factors is the lack of understanding of the reproductive biology of rhinoceros and of the factors required for successful reproduction. Virtua...   details Schaffer, N.E.; Beehler, B.A. 1988 Overview of procedures and results of semen collection from ambulatory rhinoceroses. Proceedings of the AAZPA Annual Conference 1988: 273-279, tables 1-5 Location: Subject: Species: World Reproduction All Rhino Species Ejaculate volumes are high in rhinoceroses. The low volumes in white rhinoceroses have resulted from incomplete ejaculation in these animals. The highest sperm counts were from an Indian rhinoceros, but these values resulted from sperm-rich samples resulting from the ejaculation of a highly con...   details Schaffer, N.E.; Beehler, B.A. 1988 Overview of procedures and results of semen collection from ambulatory rhinoceroses. Proceedings of the AAZPA Annual Conference 1988: 273-279, tables 1-5 Location: Subject: Species: World Reproduction - Management methods All Rhino Species These are usually latex coverings filled with warm water. They provide warmth and pressure stimulation to the penis. AVs have been minimally successful in collection of semen from rhinoceroses. Lack of sustained erections in the rhinoceros has made placement of AVs difficult. Furthermore, use...   details Schaffer, N.E.; Beehler, B.A. 1988 Overview of procedures and results of semen collection from ambulatory rhinoceroses. Proceedings of the AAZPA Annual Conference 1988: 273-279, tables 1-5 Location: Subject: Species: World Reproduction - Management methods All Rhino Species Semen has been cryopreserved from Rhinoceros unicornis, Ceratotherium simum, Diceros bicornis. Both pellet and straw cryopreservation methods have been used in the rhinoceros. Poor recovery of rhinoceros sperm from freezing is indicated by low postthaw motilities (20-70%). Some improvement in ...   details Schaffer, N.E.; Beehler, B.A. 1988 Overview of procedures and results of semen collection from ambulatory rhinoceroses. Proceedings of the AAZPA Annual Conference 1988: 273-279, tables 1-5 Location: Subject: Species: World Reproduction - Management methods All Rhino Species Rhinoceroses have been anesthetized for electroejaculation but only limited attempts can be made without risk to the animal. Multiple samples can be obtained with minimum or no risk to the animal by semen collection from unanesthetized rhinoceroses.   details Schaffer, N.E.; Beehler, B.A. 1988 Overview of procedures and results of semen collection from ambulatory rhinoceroses. Proceedings of the AAZPA Annual Conference 1988: 273-279, tables 1-5 Location: Subject: Species: World Reproduction - Management methods All Rhino Species It has been successfully applied to the rhinoceros. Direct massage of the penis begins with slow stroking that proceeds to vigorous massaging by the operator until the rhinoceros ejaculates. Rhinoceroses are the most receptive to this procedure and therefore it has been the method most frequent...   details Schaffer, N.E.; Beehler, B.A. 1988 Comparison of semen collection methods in an ambulatory Indian rhinoceros (Rhinoceros unicornis) [Abstract of poster session]: p. 649 In: Dresser, B. et al. Proceedings of the 5th Internatioinal Conference on breeding endangered species in captivity. Cincinnati, Zoo and Botanical Garden: pp. i-xii, 1-722 Location: Subject: Species: World Reproduction - Management methods Indian Rhino Electroejaculation was successfully applied to Rhinoceros unicornis with a new inflatable probe and hand-held ring electrodes. Penile massage was the most consistently successful in the acquisition of seminal fluid. However, coupled with rectal stimulation, fluids with higher numbers of sperm ...   details Schaffer, N.E.; Beehler, B.A. 1988 Overview of procedures and results of semen collection from ambulatory rhinoceroses. Proceedings of the AAZPA Annual Conference 1988: 273-279, tables 1-5 Location: Subject: Species: World Reproduction - Management methods All Rhino Species Rectal massage in the rhinoceros involves massaging the accessory glands just inside the anus. Rectal massage alone was also ineffective in producing seminal fluids from the rhinoceroses of this report. However, when rectal massage was followed with penile massage, seminal fluids were acquired...   details Schaffer, N.E.; Beehler, B.A. 1988 Overview of procedures and results of semen collection from ambulatory rhinoceroses. Proceedings of the AAZPA Annual Conference 1988: 273-279, tables 1-5 Location: Subject: Species: World Reproduction - Management methods All Rhino Species Rhinoceroses have been anesthesized for electroejaculation, but unanesthetized rhinoceroses have been successfully electroejaculated with both rectal probe and hand-held ring electrodes. As with rectal massage, this stimulation produced seminal emission into the posterior urethra. Semen was the...   details Schaffer, N.E.; Beehler, B.A. 1988 Overview of procedures and results of semen collection from ambulatory rhinoceroses. Proceedings of the AAZPA Annual Conference 1988: 273-279, tables 1-5 Location: Subject: Species: World Reproduction - Management methods All Rhino Species Both of these methods have indicated the presence of sperm, but determinations about other semen parameters are limited.   details Pittenger, W.R. 1988 Detecting estrus in the black rhinoceros at the Columbus zoo. Animal Keeper's Forum 15 (10) October: 308-315, figs. 1-3 Location: Subject: Species: Africa Reproduction Black Rhino No details available yet   details Jones, J.M.; Bavister, B.D. 1988 Computer automated analysis of rhinoceros sperm motility. Proceedings of the AAZPA Annual Conference 1988: 280-286, figs. 1-2 Location: Subject: Species: World Reproduction All Rhino Species No details available yet   details Hanscom, T. 1988 Black rhino born at the San Diego Wild Animal Park. Newsletter AAZPA 28 (9): 22 Location: Subject: Species: Captive - North America Reproduction Black Rhino No details available yet   details Amato, G. 1988 Black rhinos united in one gene pool. Annual Report New York Zoological Society 1988-89: 26-28 Location: Subject: Species: World Reproduction - Management methods Black Rhino No details available yet   details Anonymous 1987 Geboorte van Indische neushoorn Nico. Zoo Anvers 52 (3): 6 Location: Subject: Species: Captive - Europe Reproduction Indian Rhino Gestation period 494 days, Antwerp 1986   details Happold, D.C.D. 1987 The mammals of Nigeria. Oxford, Clarendon Press, pp. i-xvii, 1-402 Location: Subject: Species: World Reproduction Black Rhino Gestation period. 17-18 months   details Gairola, H.K. 1987 Study of parturition in the Great Indian rhinoceros. Indian Veterinary Medicine Journal 11: 185-190, fig. 1 Location: Subject: Species: Captive Reproduction Indian Rhino No details available yet   details Happold, D.C.D. 1987 The mammals of Nigeria. Oxford, Clarendon Press, pp. i-xvii, 1-402 Location: Subject: Species: World Reproduction Black Rhino Females produce young every 3-4 years. The long period between births may be a self-regulation process to prevent overpopulation, but it also means that if the population is reduced, it takes many years to increase again.   details Happold, D.C.D. 1987 The mammals of Nigeria. Oxford, Clarendon Press, pp. i-xvii, 1-402 Location: Subject: Species: World Reproduction Black Rhino Maturity is attained at 5-7 years.   details Happold, D.C.D. 1987 The mammals of Nigeria. Oxford, Clarendon Press, pp. i-xvii, 1-402 Location: Subject: Species: World Reproduction Black Rhino Weaning occurs at about 2 years, but young rhinos remain with their mother for several years even after the birth of subsequent young.   details Bhattacharyya, B.K.; Goswami, U.C. 1987 Some observations on the process of parturition, neonate and maternal behaviour in Great Indian one-horned rhinoceros (Rhinoceros unicornis). Zoos Print 2 (8): 6-8, fig. 1 Location: Subject: Species: World Reproduction Indian Rhino No details available yet   details Dresser, B. 1987 Reproductive research update. Pachyderm 9: 23-26, figs. 8-10 Location: Subject: Species: World Reproduction All Rhino Species No details available yet   details Hall-Martin, A. 1986 Recruitment in a small black rhino population. Pachyderm 7: 6-8, figs. 1-3, tables 1-3 Location: Subject: Species: Africa - Southern Africa - South Africa Reproduction Black Rhino Introduced population Addo NP. Intervals between successive calves have been recorded on 16 occasions. Records exist for seven cows (Table 3). Table 3. Recorded calving intervals for cows in Addo Elephant N.P. Cow Calving interval (months) Mean (months) Brunni 27 + 32 ...   details Hall-Martin, A. 1986 Recruitment in a small black rhino population. Pachyderm 7: 6-8, figs. 1-3, tables 1-3 Location: Subject: Species: Africa - Southern Africa - South Africa Reproduction Black Rhino Introduced population Addo NP. There is little evidence of the age of bulls at full 'sexual' maturity and first mating. One bull was killed by an older bull at the age of 8 years 5 months which suggests that he was regarded as a rival at that age. One successful mating, according to strong cir...   details Hall-Martin, A. 1986 Recruitment in a small black rhino population. Pachyderm 7: 6-8, figs. 1-3, tables 1-3 Location: Subject: Species: Africa - Southern Africa - South Africa Reproduction Black Rhino Population introduced in Addo NP. Six cows born in the Park have calved and the ages of first conception and calving are shown. Cow Age Conception First Calving Lucky Star 7 yrs 2 mo 8 - 5 Doreen 6 - 9 8 - 0 Blom 9 - 1 10 - 4 Salttery ...   details Hall-Martin, A. 1986 Recruitment in a small black rhino population. Pachyderm 7: 6-8, figs. 1-3, tables 1-3 Location: Subject: Species: Africa - Southern Africa - South Africa Reproduction Black Rhino Introduced Addo NP. The records of 28 conceptions at Addo are shown diagramatically relative to long term rainfall (Figure 3). There appears to be a clear spring to mid-summer peak in conception time.   details Hitchins, P.M. 1986 Earlessness in the black rhinoceros - a warning. Pachyderm 7: 8-10, figs. 1-5, table 1 Location: Subject: Species: Africa - Southern Africa - South Africa Reproduction - Management methods Black Rhino About castrated male in Addo NP. In 1977 a black rhinoceros male lacking one pinna was introduced to the Addo Elephant National Park from Hluhluwe Game Reserve. It was later successfully castrated to prevent the possibility of an eariess inducing-gene being introduced into the Addo population (d...   details Banks, M. 1986 Breeding the black rhinoceros in Great Britain. International Zoo News 33 (5/6): 10-15, fig. 1, table 1 Location: Subject: Species: Africa Reproduction Black Rhino No details available yet   details Wagner, R.A. 1986 The reproductive cycle of one southern white rhinoceros.. Proceedings of the American Association of Zoo Veterinarians 1986: 14-16 Location: Subject: Species: Africa Reproduction White Rhino No details available yet   details Plage, D.; Plage, M. 1985 In the shadow of Krakatau: return of Java's wildlife. National Geographic 167 (6): 750-771, figs. 1-31 Location: Subject: Species: World Reproduction Javan Rhino may take 16 months   details Heerden, J. van; Keffen, R.H.; Kuhn, F.; Rogers, P.; Morkel, P.; Atalia, N.; Raath, J.P.; Kernes, D.J. 1985 Blood chemical parameters in free-living white rhinoceros Ceratotherium simum. Journal of the South African Veterinary Association 56: 187-189, figs. 1-2, tables 1-3 Location: Subject: Species: World Reproduction - Management methods White Rhino Blood serum levels. Serum oestradiol-17 Beta and progesterone concentrations are presented in full realization of thee fact that the technique employed human serum and that single hormone assays are of extremely limited value. Assays were, however, undertaken in the hope that they could he of h...   details Nardelli, F. 1985 The Sumatran Rhinoceros Project. Help Newsletter, Port Lympne 7: 4-8, figs. 1-2 Location: Subject: Species: World Reproduction Sumatran Rhino Gestation period1 year   details back to search page Sort order: ------------------- Date ASC Author normal    (11)  ... 5 6 7 8 9 ...