Yaschuk T. Characters of formation of the western intrapedigree type of the Ukrainian Black-and-White dairy breed depending on genotypic and paratypik factors

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0405U003777

Thesis Registration Form

0405U003777.pdf

Applicant for

Specialization

  • 06.02.01 - Розведення та селекція тварин

05-10-2005

Specialized Academic Board

Д 27.355.01

Institute of Animal Breeding and Genetics nd. a. M.V.Zubets of NAAS

Essay

The dissertation is devoted to questions of definition of influence genotypic and paratypik factors on formation of economic-useful attributes of large horned livestock. It is established, that first-calf's the western intrapedigree type of Ukrainian black-and-white dairy breed have high efficiency, dairy type of a structure of a body, mainly strong constitution, satisfactory reproductive ability. The degree of realization of genetic potential depends on conditions of feeding, growing and operation of animals. It is proved, that is authentic the maximum dairy efficiency first-calf reach at a highest level of feeding and conditions of the maintenance. Influence of a heredity on a level milk-yield makes 44,6-35,6-39,6 %.

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Files

aref.doc

дисертація Ящук Т.С..doc

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