Endocrine Abstracts

The aim of this study was to determine of pregnancy rate when Estradiol Benzoate (EB) used in presynch method than to routine presynchronization protocol in lactating dairy cows (N: 210). In this study, cows divided in two treatment groups: control group (N: 100) and main group (N: 110). Control group cows received two injections of Cloprostenol (750 μg/Case, IM) with 14 d interval. Then, they received an injection of Gonadorelin (100 μg/Case, IM...