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Title: |
Reproduction in black and white rhinos: a review |
Author(s): |
Bertschinger, H.J. |
Year published: |
1994 |
Journal: |
- |
Volume: |
- |
Pages: |
pp. 155-161, fig.1 |
Reference From: | Penzhorn, B.L. et al. 1994 Proceedings of a symposium on rhinos as game ranch animals. Onderstepoort, Republic of South Africa, 9-10 September 1994, pp. i-iv, 1-242 |
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File: |
View PDF: 410,8 kb |
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Location:
Subject:
Species:
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World
Reproduction
Black Rhino
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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). |
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Location:
Subject:
Species:
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World
Reproduction
Black Rhino
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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... |
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Location:
Subject:
Species:
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Captive - South America
Captivity - Zoo Records
Black Rhino
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The first black rhinoceros to be bred in captivity was in 1941 in the Chicago Brookfield Zoo. The second one was born in Rio de Janeiro. |
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Location:
Subject:
Species:
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World
Reproduction - Management methods
All Rhino Species
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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... |
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Location:
Subject:
Species:
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Africa - Southern Africa - South Africa
Genetics
White Rhino
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In 1892 the southern white was thought to be extinct but fortunately approximately 50-100 animals survived the cull in the Umfolozi Valleys. It is interesting to note that, although the current white and black rhino populations of South Africa originate from a handful of surviving animals, the g... |
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Location:
Subject:
Species:
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World
Reproduction
White Rhino
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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. |
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Location:
Subject:
Species:
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Captive - Africa
Captivity - Zoo Records
White Rhino
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In captivity the first birth was recorded at Pretoria National Zoological Gardens. However, the cow was pregnant at capture, and calved down later in the zoo. |
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Location:
Subject:
Species:
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World
Reproduction
White Rhino
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Gestation period. Figures in the literature are sparse and are quoted as 547, 484 and 480 days. |
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Location:
Subject:
Species:
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Africa - Southern Africa - South Africa
Morphology - Size
Black Rhino
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Birth mass of black rhinos is as little as 20 kg in zoos, with one calf recorded at 38 kg. A birth mass of 40 kg is given for black rhino in the Natal Parks. |
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Location:
Subject:
Species:
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Captive - North America
Captivity - Zoo Records
Black Rhino
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The first black rhinoceros to be bred in captivity was in 1941 in the Chicago Brookfield Zoo. The second one was born in Rio de Janeiro. |
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