METHOD OF EVALUATION OF BROILER CHICKENS Russian patent published in 2013 - IPC A01K67/00 

FIELD: agriculture.

SUBSTANCE: invention relates to the field of agriculture, namely, to selection, and can be used in breeding in poultry pedigree farms. Evaluation of broiler chickens is carried out according to the developed scale for fast and slow-fledging lines of broiler strains; the day-old chickens are distributed into three groups: 6-18 hours - late; 19-32 hours - average; 33 and above - early. The calculation of the duration of the embryonic development from laying to hatching chickens is carried out: the time is recorded from the start of incubation till evaluation of the chickens on development of fledging (T1), the age of chickens is subtracted from it, which is set according to a feather (T2), using the formula: T=T1-T2.

EFFECT: method of evaluation of broiler chickens enables to select the parental pairs for obtaining chickens that have a higher rate of growth in fetal and postnatal periods, to increase other zootechnical factors of productivity by 5,2-8%.

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