BUTAFOSFAN E CIANOCOBALAMINA ASSOCIADOS AO PROTOCOLO DE IATF EM VACAS MANTIDAS A PASTO

Abstract

The results of 64 Nellore cows submitted to the IATF protocol were evaluated, which occurred as follows: day 0 (D0) - use of an intravaginal implant, intramuscular application of 2mL of Estradiol Benzoate; day 7 (D7) - application of 2mL of prostaglandin, 1.5 mL of Equine Chorionic Gonadotrophin (ECG), 0.5 mL of Cypionado Estradiol via intramuscular (IM) and removal of the progesterone device; day 9 (D9) Artificial Insemination (AI) occurred. The animals were separated into two groups, in which Group 1 was associated with 1 g of Butafosfan IM and 0.5 mg of Cyanocobalamin IM per animal, while Group 2 corresponded to the other cows that were also protocoled, however, without parenteral supplementation. It was concluded that there was no difference in the pregnancy rate between the groups due to the cows being previously supplemented with mineral salt. Thus, it is believed that in cases of herds with nutritional deficiencies, such treatment may improve the pregnancy rate.