Dr.L.B.SinghNarendra Kumar2024-07-092024-07-092000https://krishikosh.egranth.ac.in/handle/1/58102116831.Higher post-weaning body weight of Beetal halfbreds than Jamunapari halfbreds and purebred Black Bengal indicated that Beetal bucks could be utilized as improver for developing a potential breed of goat for meat production. 2 Significant effect of sire on post-weaning body weight up to 36 week of age indicated that the sire selection will be helpful in improvement of body weight of kids. 3 The decline in superiority in body weight of winter born kids over those born during summer and monsoon immediately after weaning indicated that winter born kids should be cared properly during early post-weaning period for better performance. 4. Higher body weight of F at 48-week of age is mainly due to difference in weaning weight and maternal influence during pre weaning period. 5.Post-weaning body weight of kids at 24, 36 and 48-week of age was positively associated with their birth weight. Dam's weight at kidding also had positive association with post-weaning weight up to 36-week of age. 6.Halfbreds were significantly taller and longer than the purebreds. 7. The post-weaning survivability of both the halfbreds was negatively associated with litter size at birthEnglishThesis