Four Fp and backcross populations derived from matings between the Nigerian fowl and a strain of the exotic, gold-link chicken, were evaluated for growth and 100-day egg production. Experimental birds were raised and housed in cages to 3*+ weeks of age. The exotic backcross (EBX) population topped the other groups ( P ^ 0 , 0 5 ) especially in growth characters and egg weight. The local back- cross (LBX) was the least in performance in all traits except feed consumption, age at first egg and egg number in which it had an advantage over the other g enotypes. Body weights at 20 weeks were 9 5 *+ . *+ 8 g , 1122.66g, 10*+5.65g and 10*+l.*+2g for the LBx, EBX, RF2 and MF2 genotypes respectively. The hen-day egg numbers and egg weight of the groups were 51.38 eggs and ^ 3.6 5 g ; *+9.20 eggs and 50.59g; 51.65 eggs and *+5.8*+g, and *+8.89 eggs and *+6.37g respectively. In view of these differences, suggestions were made towards involving the crosses in further breeding and selection for the development of new breeds well adapted to Nigerian conditions.

S. S Omeje, C. C Nwosu

Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume X. Breeding programs for swine, poultry, and fish., , 304–310, 1986
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