Recent advances in treatments for resynchronization of ovulation in small ruminants: a review
Cosentino, Isabel Oliveira; Balaro, Mário Felipe Alvarez; Menchaca, Alejo; Perez-Clariget, Raquel; Ungerfeld, Rodolfo; Brandão, Felipe Zandonadi.
Anim. Reprod. (Online)
; 20(1): e20220111, 2023. graf
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| VETINDEX | ID: biblio-1427302
Hormonal methodologies to control small ruminants' estrous cycle are worldwide used and evolved, adjusting the application to the precise female physiological moments to enhance reproductive performance. The estrous cycle can be induced and/or synchronized, aiming for fixed-time artificial insemination, or based on estrus behavior signs for insemination, natural or guided mating. Successive protocols can be performed to resynchronize ovulation and increase reproductive outcomes in females that failed to conceive. These recently developed treatments aim to resynchronize the ovulation as earlier as non-pregnancy is detected. The present review aimed to summarize the recent advances and main findings regarding resynchronization protocols used in small ruminants. Lastly, we present future perspectives and new paths to be studied in the subject. The resynchronization treatment is still a growing field in small ruminant reproduction, nevertheless, some enhancements are found in the reproductive outcome, showing that such protocols can be successfully used in sheep and goat production.(AU)
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