Effect of a complex of enzyme preparations on the productivity and product quality of caged laying hens of the "Zarya-17" cross at different levels of feeding

Kaunas

154 pp.

Effect of a complex of enzyme preparations on the productivity and product quality of caged laying hens of the "Zarya-17" cross at different levels of feeding — Sirvidis, Arvidas Ionovich — 1990 — Russian Dissertation Library