In poultry breeding heterosis is of major interest, as the pure line performance in egg-production traits of two lines can be exceeded by 20 percent by the crosses of them (FLOCK, 1980; MORRIS & BINET, 1966; SHERIDAN & RANDELL, 1977).
This study was designed to identify differences in the heterosis of two reciprocal, crosses in egg number, egg weight, egg mass, feed consumption, feed conversion and mortality.
Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume 8. Symposia (2), , 841-846, 1982
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