00572naa#a2200181#i#450# EN\INFRA-M\bibl\10449 20240831043058.6 1998-8435 20151225b2015####ek#y0engy0150####ca RUS RU SEASONAL DYNAMICS OF PIGLET INVASION BY CRYPTOSPORIDIUM PARVUM UNDER CONDITIONS OF INDUSTRIAL PIG FARMING IN VOLOGDA REGION Journal article Moscow INFRA-M Academic Publishing LLC. 2015 5 с. Journal article local Novikov A Kryazhev A naukaru.ru