ОРГАННА ТКАНИНОСПЕЦИФІЧНІСТЬ ВЕЛИКОЇ РОГАТОЇ ХУДОБИ ТА ЗУБРІВ
The article shows the correlation between the isozyme spectrum of internal organs of cattle of different areas of productivity and interspecific perfectly Bos and Bison. Analyzing breed specific characteristics of the genetic structure of cattle may provide that certain mechanisms that have an intermediate role between genetically - determined polymorphism of biochemical markers and complex traits variability in performance. One such mechanism may be variability "biochemical phenotype" of different organs - organ isozyme spectra of a number of genetic - biochemical systems. In this regard, the present experiment was considered organ- features isozyme spectrum of different enzymes in animal milk and meat production performance and compare it with the bison. Studies indicate the presence of severe organic isozyme specificity purine nucleoside range fosforelazy, malate dehydrogenase, Malik - enzyme and lactate in cattle and bison. Revealed intraspecific differences organ isozyme spectrum. It is shown that the expression of the studied genetic - biochemical systems differs significantly in bovine milk and meat production performance in cardiac and skeletal muscles. The spectrum of cardiac muscle differs from dairy and meat like a typical heart muscle bison.