Olfactory stimulation in young rabbits with male rabbit skin gland secretion induces ovarian growth
Abstract
Rabbit breeders need to have non-invasive natural methods that facilitate the reproductive management of this species. The aim of this study was to evaluate the effect of olfactory stimulation with secretions from male rabbit skin glands on the morphological development of ovarian follicles in female rabbits kept under farm conditions. For this purpose, New Zealand rabbits were used, with which four groups of different ages were formed (9, 12, 15 and 18 weeks). The stimulant to the females was applied through the olfactory route, from secretions obtained from the skin of the submandibular and inguinal region of adult male rabbits. Concluded the experiment in histological sections, measurements were made to the ovarian follicles. A difference was found in the diameter of the ovarian follicles in the stimulated females of the 9 to 11 and 12-to-14-week groups with respect to the unstimulated ones (P≤0.05 and P≤0.001, respectively). From the results obtained, it is concluded that the olfactory stimulation scheme used promoted the development of ovarian follicles. These results confirm the importance of the olfactory pathway in the ovarian development of young rabbits and constitute evidence of the feasibility of practical use of cutaneous glandular secretions in the management of the rabbit's ovarian cycle under farm conditions.
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