Saprõkina, Zinaida, Avo Karus, Sirje Kuusik, Harald Tikk, Peeter Järv, Riina Soidla, Aleksander Lember, Helgi Kaldmäe, Virge Karus, and Mati Roasto. 2009. “Effect of Dietary Linseed Supplements on ù-3 PUFA Content and on IGF-1 Expression in Broiler Tissues”. Agricultural and Food Science 18 (1):35-44. https://doi.org/10.2137/145960609788066870.