Ponomarenko I. Reproductive capability up-grading methods of Ukrainian black-plural and red-plural dairy breeds of cow

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0407U003124

Thesis Registration Form

0407U003124.pdf

Applicant for

Specialization

  • 06.02.01 - Розведення та селекція тварин

11-06-2007

Specialized Academic Board

Д 27.355.01

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

Essay

The results of reproductive capability of Ukrainian black-plural and red-plural dairy breeds researching depending on age, part of inheritance by Holstein, belonging to lines and progeny of bull-produsers have stated in the work.Were obtain new data about connection between continuance of productive usage of cows and age of its first calve and continuance of intercalving period. The disposition of cow calve passing and its age and maturity of cows dependence, pedigree per parent, genetic large-fetusing of descendants. The changes in reproductive capability and dairy efficiency after different disposition of calve passing were revealed.

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Files

Дисертація.doc

автореферат.doc

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