УДК 636.2:636.082.4:616-056.7
ABOUT ACCUMULATION OF MUTATION WEIGHT IN THE CATTLE BREEDS AS RESULT OF INTENSIVE REPRODUCTION TECHNOLOGY AND IMPROVEMENT ON TARGET DETERMINANTS
A.I. Zhigachev, L.K. Ernst, A.S. Bogachev
The problem of the control of genetic defects in cattle is discussed in connection with manifestation of genetic erosion, caused by reduction of genofond within the limits of species and breeds. The authors note the necessity of new approaches to assessment the pedigree material, more profound genetic analysis of results of selection and its correction on the basis of achievements of biotechnology.
Key words: introduction of mutations, migrations, letal genes, locus, breeds.
ФГОУ ВПО Санкт-Петербургская |
Поступила в редакцию |
