Influencia de gonadotropinas sintéticas en la manifestación temprana de la pubertad en cerdas criollas.

Abstract

The objective was proposed: To evaluate the influence of synthetic gonadotropins: Buserelin and Gonadorelin in the early manifestation of puberty in Creole sows of seven months of age. Three treatments were applied: T1 Buserelin Acetate, T2 Gonadorelin Acetate, T3 Control, with 5 experimental units per treatment, the response variables analyzed are: manifestation of heat, dilation of the vulva, duration of heat and partial cost, it was applied a DBCA for the manifestation and a Mixed Generalized Linear Design for the qualitative aspect of heat. It was concluded that at 48h Buserelina and Gonadorelina have 80% response and the control 0%; at 21 days Gonadorelina 100%, followed by Buserelina with 80% and the control 20%; at 42 days Gonadorelin and Buserelin 100% and the control 40%. In addition, the dynamics of the heat behavior is observed without significant difference between the treated animals vs. the untreated. In the economic context, the partial budget in the evaluation period was analyzed and the days of maintenance of acyclic females were also considered and it is reported that T2 with the lowest cost with $95.12 per housed sow, followed by T1 with a cost of $100.56 and finally the witness with a value of $155.13. These results confirm the affirmative hypothesis and that the best treatment is T2: Gonadorelin Acetate.