The influence of maternal and paternal components and breeding season on the reproductive results of New Zealand White and Californian female rabbits
The research compares reproduction of female New Zealand White (NZW, n=55) and Californian (CAL, n=12) rabbits after mating with pure-bred Flemish Giant, Californian, and Burgundy Fawn males, as well as New Zealand White and Californian crossbred males. The influence of the dam’s breed, the birth se...
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Polish Society of Animal Production
2020
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oai:doaj.org-article:7e9eb8d76cff4f1db314a52eed87befb2021-11-10T10:21:24ZThe influence of maternal and paternal components and breeding season on the reproductive results of New Zealand White and Californian female rabbits1733-73052719-393410.5604/01.3001.0014.0503https://doaj.org/article/7e9eb8d76cff4f1db314a52eed87befb2020-03-01T00:00:00Zhttp://zootechnical.com/gicid/01.3001.0014.0503http://zootechnical.com/gicid/pdf/01.3001.0014.0503https://doaj.org/toc/1733-7305https://doaj.org/toc/2719-3934The research compares reproduction of female New Zealand White (NZW, n=55) and Californian (CAL, n=12) rabbits after mating with pure-bred Flemish Giant, Californian, and Burgundy Fawn males, as well as New Zealand White and Californian crossbred males. The influence of the dam’s breed, the birth season, and the parental component on reproduction parameters was analysed. Three groups of does were studied: those which had two litters (21 females), those which had three litters (15), and all does (irrespective of the number of litters, i.e. 67 females). In the first group, the mother’s breed was found to affect litter size at weaning (5.20 for Californian and 7.33 for New Zealand White), which was largest for the NZW×CAL crossbreed (10.50). Among the females with three litters, the breed of the dam influenced rearing efficiency, with greater efficiency noted for the New Zealand White breed (90.2%) than for the Californian breed (69.8%). Where all litters were considered, the two breeds differed in terms of the number of live-born kittens per litter (6.59 for NZW vs 7.71 for CAL) and litter size at weaning (6.34 vs 7.50). In this group, litter size at weaning was larger in winter (4.65) than in autumn (2.00). New Zealand White females that mated with Flemish Giant males produced fewer live-born kittens per litter (5.85) than Californian females that mated with Burgundy Fawn males (10.00). Pure-bred litters were smaller (2.04) at weaning than crossbred ones (from 5.39 to 10.00). For females with three litters, repeatability was 0.36 for total litter size and 0.35 for the number of live-born kittens per litter. For litter size at weaning, however, it was only 0.15, indicating a strong effect of environmental factors on rearing outcomes. Justyna PychaMagdalena Zatoń-DobrowolskaSylwia PałkaMichał KmiecikPolish Society of Animal Productionarticlerabbit reproductionlittersrabbit rearingcrossbredscross-breedingrepeatabilityZoologyQL1-991ENPLRoczniki Naukowe Polskiego Towarzystwa Zootechnicznego, Vol 16, Iss 1, Pp 37-49 (2020) |
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rabbit reproduction litters rabbit rearing crossbreds cross-breeding repeatability Zoology QL1-991 |
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rabbit reproduction litters rabbit rearing crossbreds cross-breeding repeatability Zoology QL1-991 Justyna Pycha Magdalena Zatoń-Dobrowolska Sylwia Pałka Michał Kmiecik The influence of maternal and paternal components and breeding season on the reproductive results of New Zealand White and Californian female rabbits |
| description |
The research compares reproduction of female New Zealand White (NZW, n=55) and Californian (CAL, n=12) rabbits after mating with pure-bred Flemish Giant, Californian, and Burgundy Fawn males, as well as New Zealand White and Californian crossbred males. The influence of the dam’s breed, the birth season, and the parental component on reproduction parameters was analysed. Three groups of does were studied: those which had two litters (21 females), those which had three litters (15), and all does (irrespective of the number of litters, i.e. 67 females). In the first group, the mother’s breed was found to affect litter size at weaning (5.20 for Californian and 7.33 for New Zealand White), which was largest for the NZW×CAL crossbreed (10.50). Among the females with three litters, the breed of the dam influenced rearing efficiency, with greater efficiency noted for the New Zealand White breed (90.2%) than for the Californian breed (69.8%). Where all litters were considered, the two breeds differed in terms of the number of live-born kittens per litter (6.59 for NZW vs 7.71 for CAL) and litter size at weaning (6.34 vs 7.50). In this group, litter size at weaning was larger in winter (4.65) than in autumn (2.00). New Zealand White females that mated with Flemish Giant males produced fewer live-born kittens per litter (5.85) than Californian females that mated with Burgundy Fawn males (10.00). Pure-bred litters were smaller (2.04) at weaning than crossbred ones (from 5.39 to 10.00). For females with three litters, repeatability was 0.36 for total litter size and 0.35 for the number of live-born kittens per litter. For litter size at weaning, however, it was only 0.15, indicating a strong effect of environmental factors on rearing outcomes.
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| format |
article |
| author |
Justyna Pycha Magdalena Zatoń-Dobrowolska Sylwia Pałka Michał Kmiecik |
| author_facet |
Justyna Pycha Magdalena Zatoń-Dobrowolska Sylwia Pałka Michał Kmiecik |
| author_sort |
Justyna Pycha |
| title |
The influence of maternal and paternal components and breeding season on the reproductive results of New Zealand White and Californian female rabbits |
| title_short |
The influence of maternal and paternal components and breeding season on the reproductive results of New Zealand White and Californian female rabbits |
| title_full |
The influence of maternal and paternal components and breeding season on the reproductive results of New Zealand White and Californian female rabbits |
| title_fullStr |
The influence of maternal and paternal components and breeding season on the reproductive results of New Zealand White and Californian female rabbits |
| title_full_unstemmed |
The influence of maternal and paternal components and breeding season on the reproductive results of New Zealand White and Californian female rabbits |
| title_sort |
influence of maternal and paternal components and breeding season on the reproductive results of new zealand white and californian female rabbits |
| publisher |
Polish Society of Animal Production |
| publishDate |
2020 |
| url |
https://doaj.org/article/7e9eb8d76cff4f1db314a52eed87befb |
| work_keys_str_mv |
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