The influence of different timings of CIDR insertion on the embryo yield in locally adapted superovulated Brazilian goats.
2024
CORTES, L. R. | RODRIGUES, J. N. D. | MONTEIRO, A. W. U. | SILVA, K. DE M. | BATISTA, R. I. T. P. | SOUZA-FABJAN, J. M. G. | FONSECA, J. F. DA | LUANA RANGEL CORTES, UNIVERSIDADE FEDERAL DE VIÇOSA; JULIANA NASCIMENTO DUARTE RODRIGUES, UNIVERSIDADE FEDERAL RURAL DA AMAZÔNIA; ALEXANDRE WEICK UCHOA MONTEIRO, CNPC; KLEIBE DE MORAES SILVA, CNPC; RIBRIO IVAN TAVARES PEREIRA BATISTA, UNIVERSIDADE FEDERAL FLUMINENSE; JOANNA MARIA GONÇALVES SOUZA-FABJAN, UNIVERSIDADE FEDERAL FLUMINENSE; JEFERSON FERREIRA DA FONSECA, CNPC.
This study aimed to investigate whether the variation (morning or afternoon) in the insertion of progesterone (P4) intravaginal device (IVD) affects embryo yield in locally adapted superovulated goats. A total of 16 Canindé and 22 Moxotó goats were equally assigned to two groups according to the time of insertion (G1:06:30 to 07:30 a.m. and G2: 06:30 to 07:30 p.m.) of the IVD containing 0.3 g of P4 (Eazi-Breed CIDR®; Pfizer, São Paulo, Brazil), which remained for six days. As expected for NSER performed 7 d after mating, the proportions of blastocyst were superior to morulae in both groups (P < 0.01). We concluded that the difference in the timing of IVD insertion does not affect the efficiency of embryo yield in locally adapted superovulated Brazilian goats.
Afficher plus [+] Moins [-]Edição dos resumos da 37ª Annual Meeting of the Brazilian Embryo Technology Society, 2024, Atibaia, SP.
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