Performance of broiler rabbit (Soviet Chinchilla x Grey Giant) fed low grain concentrate
Twenty one broiler rabbits, weaned at 5 weeks of age were divided into 3 groups of 7 each on the basis of body weight in a randomized block design and fed isonitrogenous concentrate mixture(s) containing either 60, 40 ar 20% crushed maize grain in group 1, 2 and 3 respectively, alongwith ad libitum kikuyu (Pennisetum clandistinum) green grass. In group 2 and 3 replacement of crushed maize was largely done with wheat bran which is available abundantly at lower cost in India. The experiment was continuad far 8 weeks; DM intake and · body weight gain were recordad at daily and weekly interval respectively. Body weight gain (17.9 to 19.7 g/d), feed conversion efficiency (3.6 to 3.9), hot carcass weight (663 to 698 g), weight of internal organs (% of body wt.) and total dry matter intake (89.9 to 93.8 g/d) did not differ significantly (P>0.05) among 3 groups. However inclusion of high level of wheat bran (group 2 and 3) in the diet significantly (P<0.01) enhanced the digestibility of dry matter. Present study indicates that broiler rabbits can be reared satisfactorily on a low grain concentrate (containing only 20 parts of maize grain and up to 64 parts of wheat bran) supplemented with ad libitum green grass fodder.
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