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Revista de Investigaciones Veterinarias del Perú
Print version ISSN 1609-9117
Abstract
CHOY V., José Manuel and ECHEVARRIA C., Luisa. Estacionalidad reproductiva en perras Pastor Alemán de pedigrí en Lima Metropolitana. Rev. investig. vet. Perú [online]. 2005, vol.16, n.1, pp.13-16. ISSN 1609-9117.
A study was done comparing the frecuency of estrus ocurrence in German Shepherd dogs in Lima, during the period 1997-2000. Data was obtained from the Peruvian German Shepherd Breeders Association, and from the local weather intitute (SENHAMI). The multiple lineal regresion was applied for datav analysis. A positive and significative relationship (p<0.05) between photoperiod, temperature, and month with the number of bitches in heat was found.
Keywords : oestrus; estrous cycle; bitch; German Shepperd.