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.

H Willeke

Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume 8. Symposia (2), , 841-846, 1982
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