| 摘要 |
FIELD: agriculture. ^ SUBSTANCE: invention refers to agriculture, in particular to poultry breeding. The method comprises hen assessment according to external appearance in 5-week age, muscles of the chest and legs, bone strength, egg-laying capacity in the age to 34 weeks. Additionally egg weight is taken into account in the hen age 50-54 weeks and hens, having egg weight higher than 73 g, are weeded out. ^ EFFECT: quantity of hatching eggs is increased. ^ 1 ex |
