OPPORTUNITIES FOR INTENSIFICATION OF THE REPRODUCTIVE PROCESS IN EWES OF THE ILE DE FRANCE BREED
Nedka Dimova*, Staika Laleva, Petya Slavova, Nikolai Ivanov, Yovka Popova,
Georgi Kalaydzhiev, Stanimira Slavova, Daniela Miteva
Key words: Ewes, Fertility, Fecundity, Melatonin, Intravaginal sponges.