Influence of Some Non-Genetic Factors on Reproductive Performance of Rabbit Line in A University Farm
Keywords:
rabbit, reproductive traits, kit, dam parity, gestation lengthAbstract
Rabbit meat, in recent times, is a popular alternative animal protein source that can help Ghana meet its food security needs. The increased production of rabbits as a partial replacement to the production of ruminants could contribute ta o reduction in total methane emissions by livestock. The influence of non-genetic factors on the reproductive performance of 26 does mated by 8 bucks at the University of Cape Coast Teaching and Research Farm were assessed. Data on various reproductive indicators of rabbits were collected over a period of 16 months and analysed using the general linear model procedure of Genstat. The mean litter size at birth (LSB), litter weight at birth (LWB), average kit weight at birth (KWB), mortality, litter size at weaning (LSW), average kit weight at weaning (KWW), percentage survivability (% survival), and gestation length (GL) were 5.39, 268.7 g, 54.18 g, 0.40, 4.28, 646.9 g, 84.8% and 32.2 days, respectively. Season of birth and dam parity had important effect on gestation length but not the other traits. Length of gestation, however, had appreciable influence on both LWW and % survival of kits. The correlations among the reproductive traits range from positive to negative and were mostly important. Negative correlations exist between mortality and all the reproductive indicators. The lack of substantial influence of season of birth on the reproductive indicators of rabbits suggests that breeding of rabbit could be done all year round under intensive system of production.References
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