Developing Inbred Lines of Poultry
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Date
1958
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In a project beginning in the spring of 1949 comparing the economic traits of hybrids and outbred chickens, it was necessary for this station to develop its own inbred lines. The results of inbreeding are outlined in this paper. Except for egg size in some lines, inbreeding has resulted in a decrease of most economic characteristics as compared with the outbred White Plymouth Rocks from which they were derived. This report was given to demonstrate the problems arising in producing inbred lines and some of the characteristics of the birds that resulted from continuous inbreeding.