Показатели роста, развития и естественной резистентности ремонтных бычков белорусской черно-пестрой породы в зависимости от наличия мутации BLAD
2010
Kurak, O.P. | Gandzha, A.I. | Letkevich, L.L. | Gribanova, Z.A., National Academy of Sciences. Scientific and Practical Center of Animal Breeding (Belarus)
Growth, development and natural resistance indices of replacement calves of Belarusian Black-motley breed of 6 months of age depending on presence of BLAD mutation were studied at Enterprise Orshanskoe Pedigree Plant in Vitebsk region (the Republic of Belarus). The lower indices of live weight and average daily weight gain were registered with animals with BLAD-syndrome. The increase of leucocytes quantity (up to 14,5 10 9/I) as well as decrease of aspartate aminotransferase activity in blood serum at 19,5% was determined in the group with heterozygous calves compared to healthy animals
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