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636.2034.082.2 (1) |
Rumegătoare mari, taurine. Vite, boi (206) |
SM ISO690:2012 ХМЕЛЬНИЧИЙ, С.. Влияние генетических факторов на эффективность селекции молочного скота по экстерьеру. In: Zootehnie şi Biotehnologii agricole : materialele Simpozionului Ştiinţific Internaţional „85 ani ai Facultăţii de Agronomie – realizări şi perspective”, dedicat aniversării a 85 de ani de la fondarea Universităţii Agrare de Stat din Moldova , 25 septembrie 2018, Chișinău. Chişinău, Republica Moldova: Universitatea Agrară de Stat din Moldova, 2018, Vol. 52(2), pp. 305-309. ISBN 978-9975-64-302-3. |
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Zootehnie şi Biotehnologii agricole Vol. 52(2), 2018 |
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Simpozionul "Zootehnie şi Biotehnologii agricole " Chișinău, Moldova, 25 septembrie 2018 | ||||||
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CZU: 636.2034.082.2 | ||||||
Pag. 305-309 | ||||||
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The results of correlation variability between measurements of the conformation of cows of Sumy intrabreed type of Ukrainian Black-and-White dairy breed and size of milk yield have been given. The positive correlations were statistically reliable between measurements and milk yield of cows-heifers: height at withers (r = 0,458), chest depth (r = 0,375), rump width (r = 0,323) and ischial humps (r = 0,375); оblique body length (r = 0,303) and rump (r = 0,213); chest girth (r = 0,388). The degree of heritability of measurements varied in the range of 0,130-0,325. The proportion of variability of measurements of the main body structure traits was primarily due to the heredity of the improving breed (23,8-34,9%), breeding value of the sire of cows (15,8-32,5%) and the father's line (7,5-18,9%). |
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Cuvinte-cheie Ukrainian Black-and-White dairy breed, Cows, measurements, correlation, heritability, force of influence, Yield |
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