Correlations between phenotypic associations Hb/K and quantitative production traits in the Botosani Karakul sheep

Published in Scientific Papers. Series D. Animal Science, Vol. LV
Written by Gheorghe HRINCĂ, Petru Gabriel VICOVAN

The existence of a linkage between the determinant loci of haemoglobin and blood potassium in the ovine species suggested to us the approach of correlations between various combinations of haemoglobin and potassium phenotypes and the quantitative production parameters (meat, wool, milk) in the Botosani Karakul breed. The electrophoretic and flame photometric tests pointed out four phenotypic combinations (of the six possible) between the haemoglobin and potassium types: HbAB/LK, HbAB/HK, HbBB/LK and HbBB/HK. The four phenotypic combinations Hb/K are characterized by different levels of their production metabolism according to the age and sex of animals. The experimental data show that the subpopulations of animals with phenotypic combinations HbAB/HK and HbBB/HK are more productive than the subpopulations of animals with phenotypic combinations HbAB/LK and HbBB/LK. These correlational aspects recommend the use of phenotypic combinations Hb/K as biochemical genetic markers to improve the production traits of the Botosani Karakul breed.

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Hrincă G., Vicovan P. G., 2012, Correlations between phenotypic associations Hb/K and quantitative production traits in the Botosani Karakul sheep. Scientific Papers. Series D. Animal Science, Vol. LV, ISSN-L 2285-5750, 176-182.

 


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© 2012 SCIENTIFIC PAPERS. SERIES D. ANIMAL SCIENCE. All Rights Reserved. To be cited: SCIENTIFIC PAPERS. SERIES D. ANIMAL SCIENCE
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