Sergio Ibarra Maigret likes this technical article:
IntroductionModern layer hybrids are a four-line-cross with a long breeding history and show a very high production potential in different housing systems all around the world. This proofs for white egg producing lines and for brown egg producing hens as well. Due to ongoing genetic work the egg industry and farmers realise steadily increasing persistency and longer liability under all housing con ...
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February 1, 2015