Volume 1 Issue 3

Research Article
December 29, 2020

Efficacy of Progesterone and Estradiol Benzoate Combination to obtain Estrous and Pregnancy in Anoestrics Autochthones Cows in Pasture-based Systems in Huambo, Angola

Carlos Javier de Loyola Oriyés1 , Custódio Octávio Chipaca Domingos2 , Luis Enrique Villalón González1 , Manuel Francisco Simão1 and Efigénia Singa Camela Casule1

To evaluate the effectiveness of Progesterone (P4 ) and Estradiol Benzoate (EB) combination to obtain estrous and pregnancy in anoestrics Autochthones cows in pasture-based systems in Huambo, Angola, 14 cows were treated. The variables were: percent of cows in estrus (CE), open cows (OC), pregnant cows (PC) and BCS; The statistical test used was: Student’s t for the effect of BCS on PC and OC. It was found the CE was 100% in the first 56 hours after treatment, also the BCS determined the PC and OC for a p