Repeat breeder dairy cows

Subclinical endometritis affects approximately 30% of lactating dairy cows, causing significant economic losses to the dairy industry. Yet, there is no efficient treatment available for this condition. The present study examines the effect of uterine flushing in repeat breeder cows with sterile normal saline solution 30 ml on day selection (oestrus), 4, 8, and 12.All the experimental groups the uterine flushing was common, the therapeutic protocol differ in each group after the uterine flushing.

6p chauchaungayxua8 03-10-2020 12 2   Download

The objective of study to compare the conception rate in repeat breeder dairy cows after using injection of GnRH (Ovulanta)@ 20 μg intramuscularly on 5th day of artificial insemination (AI). Non-infectious cows were randomly divided into two groups Group I (no treatment) and Group II (GnRH on 5th day of post AI). At the time of AI, mean serum glucose concentration recorded 58 and 61 mg/dl in Group I and II. All the cows were screened for pregnancy diagnosis on day 45.

3p nguathienthan5 04-06-2020 9 1   Download

The aim of this study was to identify the Complex Vertebral Malformation (CVM) in repeat breeder and anoestrous animals in Maharashtra state region. Total 102 animals of HF crossbred, Dangi, Gaolao and Non- descript were screened from field and cattle dairy farm. CVM is a hereditary recessive disorder in Holstein cattle which have a significant economic impact on dairy cattle breeding worldwide. Fifty repeat breeder and fifty-two anoestrous animals blood DNA were extracted by traditional method. Genotyping was performed by using PCR-RFLP analysis with the help of PstI restriction enzyme.

4p cothumenhmong5 17-05-2020 12 1   Download