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Journal of Animal and Veterinary Advances

Comparative Efficacy of High vs. Low Dose Cabergoline Treatment Regimen in Inducing Fertile Oestrus in Anoestrous Dogs
G. Ajitkumar, R. Praseeda, K. Rajankutty and P.C. Alex

Abstract: Twenty four bitches in anoestrus for >6 months from the last heat with a serum progesterone level >1 ng mL-1 were divided into two groups and subjected to oestrus induction trials using anti-prolactin drug cabergoline at 5 and 1 μg kg-1 body weight respectively, once daily orally for 20 consecutive days. The mean serum progesterone level among them during anoestrus was found to be 0.56±0.01 ng mL-1. Out of 12 animals treated in each group, 10 (83.34%) in group I and 9 (75%) in group II responded by evincing proestrual bleeding. The mean (±SEM) time taken from initiation of treatment to onset of proestrual bleeding in Groups I and II was 13.50±0.50 (p<0.01) and 21.89±0.86 days, respectively. About 25% of animals treated with high dose cabergoline exhibited side effects as against none with low dose. The mean (±SEM) duration of proestrus and oestrus in the treatment groups was 8.70±0.30 (p<0.05) and 9.56±0.38 days and 8.20±0.29 and 8.33±0.24 days, respectively. The conception rate in relation to the number of animals responding to oestrus induction in the treatment groups was 90 and 88.89%, respectively. The mean (±SEM) gestation length calculated from the last breeding date and litter size in the treatment groups were 62±0.41 and 62.88±0.49, 6.44±0.29 and 6.13±0.23, respectively.

How to cite this article
G. Ajitkumar, R. Praseeda, K. Rajankutty and P.C. Alex, 2010. Comparative Efficacy of High vs. Low Dose Cabergoline Treatment Regimen in Inducing Fertile Oestrus in Anoestrous Dogs. Journal of Animal and Veterinary Advances, 9: 1735-1738.

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