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pro vyhledávání: '"Yu. S. Pelykh"'
Autor:
Yu. S. Pelykh, I. V. Goncharenko
Publikováno v:
Animal Breeding and Genetics. 58:86-94
Development, acquisition and practical use of sexed sperm of sire bulls is the greatest achievement of biological science in breeding, selection and reproduction of agricultural animals of the 21st century. Today, artificial insemination of cows and
Autor:
I. V. Goncharenko, Yu. S. Pelykh
Publikováno v:
Animal Breeding and Genetics. 51:231-239
Holstein dairy cattle are characterized by many outstanding qualities such as exterior constitutive type, level of milk yield per lactation and during the period of economic use, well developed udder in size and shape, adapted to machine milking and