FIELD: poultry farming, in particular, forming of egg hen parent flock. SUBSTANCE: method involves introducing one-day cocks into cage with one-day hens; keeping them in cage to 60-days age; removing cocks and keeping them to age at which completing of breeder flock is performed. EFFECT: increased efficiency in keeping poultry under advantageous conditions and reduced inclination to cannibalism. 1 tbl, 1 ex
Title | Year | Author | Number |
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LAYING HEN STRESS STATE FORECASTING METHOD | 1999 |
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Authors
Dates
1999-11-20—Published
1998-11-10—Filed