The Hormonal Control of Estrous in Bitches

The researchers analyzed the possibility to stop the estrous in bitches through the hormonal treatment. For this reason, during 2007-2009 sixteen bitches of different ages and breeds being in anestrous period were selected from clinics of Tirana district excluding bitches with health problems. For every case, the appearance of estrous cycle is determined through anamnesis, clinical examination and vaginal cytology. As a hormonal treatment for stopping cycling Proligestone (Covinan , Intervet) was used. The bitches were treated with injection in doses 20 mg kg 1 or 0.1 mL kg 1 weigh SC. The statistical analysis of the data shows that the estrus appears 190±14 days after the last treatment. Collateral effects were found after the last application of the hormonal treatment. The systemic application of the hormonal sub-stances for the prevention of the estrus results to be efficient, however other risk factors should be additionally considered.