1Veterinary Assistant Surgeon, Government of Tamilnadu
2Professor, Post Graduate Research Institute and Animal Sciences, Kattupakkam
3Professor, Post Graduate Research Institute and Animal Sciences, Kattupakkam
4Professor and Head, Post Graduate Research Institute and Animal Sciences, Kattupakkam
Department of Veterinary Gynaecology and Obstetrics, Madras Veterinary College, Tamilnadu Veterinary and Animal sciences University, Vepery, Chennai-6000 007
Online published on 21 January, 2019.
The crossbred cattle (n=110) were randomly divided to receive either no treatment and were regular cycling (group 1, n=10), and the remaining (group II, n=100) were pubertal heifers, repeat breeders and anestrous. The animals were fed area specific mineral mixture @ 30 gm/d/animal for 45d and group II animals were subjected to doublesynch protocol followed by FTAI. Body condition scores (BCS) was accessed and ranged 2.4–3.4 in all the animals. Blood samples was collected for the estimation of plasma Beta hydroxy butyric acid (BHBA) and the animals that failed to conceive to doublesynch had higher plasma BHBA. The conception rate was 54% in synchronized compared to 40% in control group. Thus, doublesynch is a useful protocol to improve the conception rate in infertile cattle under field condition.
BHBA, Conception, Crossbred cattle, Doublesynch, Hormone
