1. Kucsunska B., Nalecs-Taruacka T., Relationship between content of phospholipids in milk and stability of milk fat globule membrane and the effects of some factors on the frequency of their destabilization. Annals of Warshaw agr. univ., 289–294 (Warshaw, 2009)
2. Kalashnikov A.P., Fisinin V.I., Scheglov V.V., et al., Norms and diets for feeding farm animals (Moscow, Kolos, 2003)