[Hygienic status of the water sources used on animal husbandry farms].
D000822:Animal Husbandry; D000818:Animals; D002031:Bulgaria; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D014871:Water Microbiology; D014881:Water Supply / Q000592:standards*
Khigienno sustoianie na vodoiztochnitsite, izpolzvani v zhivotnovudni kompleksi.