Medicina Veterinaria y Zootécnica.
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Item Evaluación de la fertilidad del semen canino fresco y congelado, en un perro de raza Pitbull Terrier, utilizando 3 diluyentes en la clínica veterinaria los Andes en Quito(Universidad Estatal de Bolívar . Facultad de Ciencias Agropecuarias . Escuela de Medicina Veterinaria y Zootecnia, 2011) Altamirano Chiriboga, Lenin Santiago; Pereira Castro, Paulina Alexandra; Calderon, AngelaThe current investigation was done in Magdalena at the Clinic Veterinary “Los Andes”. The principal goal or target was to evaluate the milk UHT and Tris against to Dog Semen Diluent as the dilute and its viavility in insemination and establish witch dilute offer the best results with the semen ́s conservation. Was used 8 samples of canine ́s semen without dilute from a reproductive male of breed American Pitbull Terrier with five years. The sperm canine samples was subjected to analysis macro and microscopic with the purpose to establish the sample quality. Evaluating the dilutes ending 72 hours the dilute Dog Semen Diluent preserved neutral pH, a viable of 92.01%; sperm motility of 82.95% and sperm mortality of 8.13% while the Milk descream UHT dilute doesn ́t lift sperm viable and it ́s place in 80.44% of viable cells; an sperm motility of 75.68% and sperm mortality of 20.28%. the Tris (hidroximetil)aminometano + acido cítrico dilute neither lift sperm viable and it ́s place 73.01% of viable cells; an sperm motility of 76.98% and sperm mortality of 26.61%. Because the cost-benefit is recommended to use the commercial diluent Dog Semen Diluent (Canine Pro), not to represent a substantial cost increase and maintain optimal parameters for the use of the sample