SUMMARY

 

During 1999 and 2000 sinchronization of estrus was applited on 515 ovines of pestersko-sjenicke sorts and Polimska pramenka sort in region of Rudo.

This bitechnological metod was apllited in July 1999 when mating season was passed and in April 2000.

From 515 treatment ovines 501 was been in estrus (97,2%); 397 (77%) was inpregnancy and 497 lambs was born (93%).

The reproductiv proportions cold bye better if owners reject these defects: in the beginning of estrus the ovines must be with rams all the time when the ovines was released and on one ram many ovines (20).

This bitehnological metocl was completly excused because of reproduction of domestic animals will be better; next it is necesseary to apllay this method much move than before for another domestic animals.

 

          Key words: ovines, introduction, synchronization, estrus.