Evaluación de la eficiencia reproductiva mediante la administración de acetato de buserelina en cerdas adultas mestizas.

Abstract

The objective of the work was to evaluate the productive efficiency through the administration of buserelin acetate in 16 adult mixed-breed sows belonging to Estación Experimental Tunshi of the ESPOCH. For this purpose, a period of eight weeks was developed, applying a completely randomized design with four animals per treatment. Synchronizing the heat where at day zcro 2 ml of prostaglandin was applied in order to eliminate the residues of the corpus luteum, on the third day the treatments of buserelin acetate were applied as follows: 2.00 ml to females of TI, 2.25 ml to females of T2, 2.5 ml to females of T3 in order to stimulate ovulation. The results show that the control treatment (TO) as in T1 and T2 presented estrus, in treatment T3 the estrus was non-existent. Regarding the return to estrus there are significant differences, treatments T1, T2 and T3 sows returned to estrus after providing the treatment, while sows that make up the control treatment did not return to estrus presenting pregnancy. This study showed that the doses of buserelin acetate used did not influence the final weight gain nor in the food consumption, confirming that the body condition of the animals is within the optimal range for breeding sows. It is recommended to consider the body condition of females in productions.