Pérez MM, Martínez MJJ, Olivera LJI

Language: English/Spanish
References: 11
Page: 27-29
PDF size: 238.92 Kb.

ABSTRACT

An evaluation of different cow fluids as iriductors of the Flehmen's reflex (FR) in Holstein bullswas carried out. The objetives of this stucly were: 1) To find out tlie FR's response pattern (duration and frecuency) of cervico-vagina1 mucus samples obtained on the day O of the estd cycle; 2) To find out ílle FR's response pattern to iinprontae of cervico-vagina1 inuciis obtained on days 3, 6, 9, 12, 15, 16, 17, 18, 19, 20 and 21 post-oestrus and to determine if there are differences among these days and 3) To find out the FR's response pattem to samples of milk obtained on the days mentioned above, and to determine if tliere are differences among these days. A significant statistical difference (P ‹ 0.05) was found among the average values obtained regarding the FR's duration and frecuency during the days of tlie estral cycle evaluated. This study suggests that. the capacity of these fluids to induce the FR varies according to the stage of the co~v's estral cycle and, conseqiiently, tliat the odoriferous features of these fluids vary according to the ovarian cyclicity. The results obtained in this study agree with previous ones due to the fact that the bu11 is able to predict tlie beginning of the oestxus, even with severa1 days previous to the onset by the olfative analysis of tlie odoriferous features of the cow's excretions.

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