The bulk of the Local Chicken population of Nigeria consists of unimproved and non-selected mongrel varieties characterized by small size (0.7-1.6 kg adult body weight) and low egg production of 60-128 eggs/hen/ year (Hill, 1954; Hill and Modebe, 1961 and Nwosu, 1979). A method of selective breeding among local breeds has been shown to be inappropriate in terras of speed and significant improvement because some of the traits show low response to selection (Iyer, 19'.''0; Buvanendran, 1979 and Oluyemi, 1979). A crossbreeding programme is considered a better and faster alternative than the selective breeding method for a genetic improvement of Local Chickens in Nigeria. Local Chicken parents are crossed with Gold-Link parent stocks with the objective of improving the body weighttand egg size of the Local Chickens to place them as possible commercial egg producers in Nigeria. This paper reports of the body weight heterosis and superiority as well as feed efficiency performance of the main and reciprocal F crossbred chicks over their parental counterparts at the University of Nigeria Farm.

S. S Omeje, C. C Nwosu

Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume 8. Symposia (2), , 847-852, 1982
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