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Abanico veterinario

versión On-line ISSN 2448-6132versión impresa ISSN 2007-428X

Resumen

MONTES-PEREZ, Rubén et al. Preference on silage feed intake and its effect on ovarian activity in Pecari tajacu. Abanico vet [online]. 2018, vol.8, n.2, pp.47-58. ISSN 2448-6132.  http://dx.doi.org/10.21929/abavet2018.82.4.

The objective of the current study was to evaluate the preference of the consumption of four silage formulations, and their effect of the preferred silage on the ovarian activity of adult collared peccaries subjected to 35 days of ad libitum feed intake. In the first experiment, 12 adults Pecari tajacu that are non-pregnant females were used to which they were offered four silage mixtures, to measure the preference, through a 4 x 4 Latin square design. In the second experiment, five females were offered a diet with the most favorite silage, pumpkin, and corn, and five others consumed corn and pumpkin. The blood progesterone levels of each female were measured weekly. The first experiment showed that the silage mixture with 55% of Brosimum alicastrum, 40% of Pennisetum purpureum and 5% of molasses was preferred (P <0.05). All the females in the group that consumed the diet with the preferred silage formulation and the corn-and-pumpkin-based diet showed one to two peaks of progesterone throughout the experiment. It is concluded that females submitted to diets with 40% silage of P. purpureum, 55% of B. alicastrum, 5% of molasses, corn, and pumpkin do not show alteration of the ovarian cyclicity during 35 days.

Palabras llave : collared peccary; estrous cycle; silage; progesterone; zaino.

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