Indian Journal of Animal Research, volume 43 issue 4 (december 2009) : 246-250
POST WEANING PERFORMANCE OF BROILER RABBITS*
K Anitha1, M Gnana Prakash2, B Ramesh Gupta3
1Sri Venkateswara Veterinary University,
Tirupati-517 502, India.
Chief Editor:
M. R. Saseendranath
Kerala Veterinary and Animal Science University, Mannuthy, Thrissur, INDIA
ABSTRACT
Effect of genetic and non genetic factors on post weaning body weights (BW) and average
daily gains (ADG) of broiler rabbits reared under cage and deep litter systems were studied by
using least squares analysis. Effects of genetic group, season and litter size at birth were highly
significant on BW and ADGs. Rearing system did not influence the BW but had a significant
influence on ADGs at 9-10 and 15-16 weeks age. Sex of bunny significantly influenced the body
weight at 16 weeks only. The BW and ADGs during some periods were significantly higher in
winter born bunnies. Litter size significantly influenced BW and ADGs at most periods. Overall
mean BWs at 6, 8, 10, 12, 14 and 16 weeks and ADG during 5-6, 7-8, 9-10, 11-12, 13-14 and 15-
16 weeks were 551.89 + 16.84, 684.30 + 19.68, 856.37 + 23.33, 1018.79 + 28.83, 1207.18 +
31.98 and 1352.84 + 37.93 and 17.55 ± 1.04, 9.06 ± 0.73, 10.91 ± 0.80, 10.46 ± 0.94, 14.47
± 0.90 and 10.98 ± 1.0 g, respectively. Heritability estimates and correlations for some of the
traits which could be estimated are presented.
daily gains (ADG) of broiler rabbits reared under cage and deep litter systems were studied by
using least squares analysis. Effects of genetic group, season and litter size at birth were highly
significant on BW and ADGs. Rearing system did not influence the BW but had a significant
influence on ADGs at 9-10 and 15-16 weeks age. Sex of bunny significantly influenced the body
weight at 16 weeks only. The BW and ADGs during some periods were significantly higher in
winter born bunnies. Litter size significantly influenced BW and ADGs at most periods. Overall
mean BWs at 6, 8, 10, 12, 14 and 16 weeks and ADG during 5-6, 7-8, 9-10, 11-12, 13-14 and 15-
16 weeks were 551.89 + 16.84, 684.30 + 19.68, 856.37 + 23.33, 1018.79 + 28.83, 1207.18 +
31.98 and 1352.84 + 37.93 and 17.55 ± 1.04, 9.06 ± 0.73, 10.91 ± 0.80, 10.46 ± 0.94, 14.47
± 0.90 and 10.98 ± 1.0 g, respectively. Heritability estimates and correlations for some of the
traits which could be estimated are presented.
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