00549naa#a2200181#i#450# EN\\bibl\12328 20260416130748.4 1997-3225 20160728b2016####ek#y0engy0150####ca RUS RU THE EFFICIENCY OF UTILIZATION OF NUTRIENTS AND ENERGY OF BLACK-MOTLEY BREED Journal article Kinel Samara State Agrarian University 2016 5 с. Journal article local Dolzhenkova Galina Mihaylovna Galieva Zulfiya Ashatovna zh-szf.ru