00497naa#a2200181#i#450# EN\\bibl\2121 20260101184816.4 2073-0462 20140907b2014####ek#y0engy0150####ca RUS RU DRONE HOMOGENATE AND LAYING HENS PRODUCTIVITY Journal article Kazan Kazan state agrarian University 2014 4 с. Journal article local Muravev Dmitriy Kalachinskaya Alla zh-szf.ru