00775naa#a2200193#i#4500001006100000005001700061011001400078100004100092102000700133200011000140210005500250215001000305608002700315675012200342700003100464700002900495700003600524856002100560EN\URAL'SKIY GOSUDARSTVENNYY AGRARNYY UNIVERSITET\bibl\3024420240722215909.1##a1997-4868##a20190525b2019####ek#y0engy0150####ca##aRU1#aPRODUCTIVE LONGEVITY OF COWS OF BLACK-AND-PESTROUS BREEDS AND CAUSES OF THEIR EXTRACTIONeJournal article1#aEkaterinburgcUral State Agrarian Universityd2019##a7 с.##aJournal article2local##aСельское хозяйство. Лесное хозяйство. Охота. Рыбное хозяйство. 63#1aSkvorcovagElena Gamerovna#1aNeverovagOl'ga Petrovna#1aChepushtanovagOl'ga Viktorovna4#ausau.editorum.ru