00450naa#a2200157#i#450# EN\\bibl\102638 20250902072901.2 2588-0209 20241225b2024####ek#y0engy0150####ca RU FACTORS AFFECTING THE CONCENTRATION OF IMMUNOGLOBULINS IN COLOSTRUM OF NEWBORN COWS Journal article Moscow Electronic science 2024 0 с. Journal article local iacj.ru