FIELD: poultry farming. SUBSTANCE: method involves early selection of meat birds by egg-laying capacity at the stage, when bird reaches 60% egg-laying capacity; selecting and introducing into breeding herd laying hens exhibiting maximum egg-laying capacity at time interval between 8 o'clock and 10 o'clock. EFFECT: increased efficiency by directed selecting of productive egg layers with even egg-laying capacity. 2 tbl, 1 ex
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Authors
Dates
2000-10-20—Published
1999-07-07—Filed