UKRAINIAN GRAY BREED OF CATTLE
Grey Ukrainian breed is the hallmark of Ukraine, it takes first places in most world–known magazines (Ukrainian Grey cattle), and so the study of genetic characteristics of this breed can not be avoided. It was used as a traction force –oxen. Chumaky selected mainly large and fast gray oxen which could endure long trips with a large load even without proper feed.
The genetic structure was evaluated by genetically determined polymorphism of groups of genetic and biochemical systems. Experiments conducted on red blood cells and plasma. The blood of animals taken from the jugular vein in a test tube with heparin. Polymorphism of proteins and enzymes evaluated using the method of electrophoretic separation of proteins in starch gel in horizontal cells followed by histochemical staining. Breed is in balanced state in accordance to law Hardi–Weinberg (P – 0,335–0,571 for this law). Heterozygote for this species is rather low – 11,89. This suggests its relatively low genetic variability. Research performed at the appropriate level and therefore no major differences between previously conducted investigations for this breed.
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