Zh. V. Yemanuilova

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It has been found that the live weight at the age of 35 days in five generations of selection increases in the line B7 and B9 for male birds by 12.0 and 9.0%, for female birds—by 9.2 and 8.2%, egg fertilization—by 1.6 and 1.4%, hatching of chicks—by 1.0 and 1.5%, hatching of chicks from one egg layer—by 3.9 and 2.5%. The yield of meat from one egg layer of(More)
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