Supplementation with vitamin E (acetate of DL-alpha-tocopherol) on the mastitis occurrence in Jersey cows.

Abstract

This study was carried out to evaluate the effect vitamin E supplementation on the occurrence of mastitis in dairy cows. Thirteen animals received 3 g of DL-alpha-tocopherol acetate, for intramuscular way, on the 45, 30 and 15 days before the previous date at calving. The control group received physiologic solution to 0,9% in the same moments. The occurrence of mastitis was observed only in three moments, after of the parturition, at 60 (M1), 90 (M2) and 120 (M3) days after at calving. The occurrence of mastitis was evaluated across of methods California Mastitis Test (CMT) and Somatic Cells Count (SCC). However, the protocol used in the experiment no had influence on the occurrence of mastitis in dairy cows, was not observed significative difference for to CMT and SCC in the three moments studied.