Concentration of estradiol in dogs (bitches) in springtime
2020
Hajdarević, Edina | Ferizbegović, Jasmin | Lonić , Elvira
Measuring of estradiol level in the peripheral blood in dog is important for the precise estrus detection. In proestrus, estradiol dominates. In estrus, however, estradiol progressively decreases while progesterone and LH increase, the latter shortly and abruptly. The research of Feldman and Nelson (7) indicates that the beginning of the sexual cycle of the female dog is the result of complex interaction of the environment, general health condition, condition of the ovaries, condition of the uterus, animal age, and some unidentified factors. Estradiol level in the peripheral circulation is starting to rise before the beginning of the proestrus, and during the proestrus the female dog is under the influence of estradiol (4). Our research included 30 female dogs on the territory of Tuzla Municipality, in the springtime. The female dogs were divided in three groups according to the breeding and living conditions: group A (female dogs living in the house environment); group B (female dogs living in the shelter); group C (female stray dogs). For the researched groups, estradiol level varied between 6,265 pg\ml and 69,734 pg\ml over the springtime. Of importance is the results can be applied in the evaluation of estrus in the female dogs, and when considering factors crucial for their sustainable reproduction potential.
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