Evaluation of the effect of three fixed-time artificial insemination (FTI) protocols on reproductive parameters in milk-producing girolando cow

Resumen

This study was framed within the research line of the Faculty of Agricultural Sciences entitled: production, management and sustainable development of agricultural, livestock and forestry products with an ecosystem approach. In addition, it was aligned with the sub-line of the Zootechnics degree course: local, regional and national integrated livestock development and management. The development of the research work entitled, evaluation of the effect of 3 fixed-time artificial insemination protocols (FTAI), on reproductive parameters in girolando cows producing milk, was carried out at the Universidad Técnica Luis Vargas Torres, located in the parish of San Mateo, Mutile, Esmeraldas, Esmeraldas province, in order to evaluate the pregnancy rate per treatment, percentage of accumulated pregnancy rate and service per conception per treatment. For the experiment 12 girolando cows were chosen, between first and second calving, all cows had a 30 days equal preparation management, with a body condition (CC) of 3 to 4.5, then 3 groups of 4 cows each one were formed, randomly distributed.