Ultrasonic characteristics of the uterus and ovaries during estrus, and their relationship with pregnancy rate in dairy cows 

(Mohammad Rahim Ahmadi, Asghar Mogheiseh, Behrooz Mihandoost, and Maryam Ansari Lari)

Ultrazvučne značajke maternice i jajnika za vrijeme estrusa i njihov odnos sa stopom gravidnosti u mliječnih krava