[Pressing problems of hygiene in commercial animal husbandry].
D000822:Animal Husbandry; D000818:Animals; D002417:Cattle; D003612:Dairying; D006920:Hygiene; D008372:Manure / Q000032:analysis; D012498:Sanitary Engineering / Q000295:instrumentation
D008372:Manure
Nekotorye aktual'nye voprosy gigieny v usloviiakh promyshlennogo zhivotnovodstva.