Background: Canine pyometra (chronic purulent endometritis) is one of the most important uterine disorder of bitches seeks medical treatment. The hormonal therapies are not much popular among the veterinarians thus needs to exploit some hormonal protocols for this condition. Therefore, the experiment was carried out to study the therapeutic response of antiprogestin and prostaglandin in canine pyometra. Methods: The experiment was carried out in total 21 bitches affected with pyometra were selected and divided randomly into 3 groups. Animals of control group (TC) were treated with non-hormonal supportive treatment for 7 days. Animals of T1 were received non-hormonal supportive treatment for 7 days similar to TC along with mifepristone @ 3 mg/kg orally BID on day 1, 2 and 8 and Dinoprost in @ 50-200 mcg/kg S/C day 3 to 7. Animals of T2 were treated similar to TC plus mifepristone @ 3 mg/kg orally BID on day 1, 2 and 8 and Misoprostol @ 3 mcg/kg intravaginally twice daily on day 3 to 7.
Result: Therapeutic responses was recorded better in T1 group (100%), followed by T2 (71.43%) and TC (42.86%). The mean TLC values after completion of treatment (day 8) were significantly decreased in T1 and T2. The neutrophil count in different groups T1, T2 and TC was reduced significantly. There was significant decrease in mean concentration of BUN and creatinine on day 8 after treatment in T1 and T2 groups. The mean ALT values decreased significantly in T1 group. However, ALP values decreased significantly in T1 and T2 groups. The mean serum progesterone declined significantly in both the hormone treated groups (T1 and T2). The study can be concluded that therapeutic response of mifepristone with dinoprost tromethamine was found most effective for the treatment of canine pyometra than mifepristone with misoprostol protocol.