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OJVRTM
Online Journal of Veterinary Research©
Volume 23 (4):262-267, 2019.
Bromocriptine and cabergoline
for induction of estrus in dogs.
Saif-Aldeen Abdal-Hadi Nawaf and Najlaa Sami Ibrahim.
Department of Surgery and
Obstetrics, College of Veterinary Medicine, University of Baghdad, Iraq.
ABSTRACT
Abdal-Hadi Nawaf SA, Ibrahim NS., Bromocriptine versus cabergoline estrus induction in dogs.,
Onl J Vet Res., 23 (4):262-267, 2019. Twenty
anestrus 3-6 year old dogs were presented to four fertile males aged 3-5 years
for detection of estrus and natural insemination. At 50 and 90-120 postpartum groups
of 5 dogs each were fed 0.125mg/kg bromocriptine or 0.012mg/kg cabergoline daily (in 2 doses) to induce estrus. In dogs
given bromocriptine at 50 days post partum,, the time
from beginning of treatment to onset of pro-estrus bleeding was ~25 ± 3 days, but
given at 90-120 days post partum, was ~31 ± 1 days.
For cabergoline, estrus began at ~27 ± 3 and ~31 ± 2
days, respectively. We found significant differences (P<0.01) in time to
estrus and conception rates between treatments but no differences in number of
puppies born. Results suggested that bromocriptine
may have induced estrus in anestrous bitches sooner than cabergoline.
Key
words: bromocriptine, cabergoline, estrous,
induction, canine.
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