Abstract
The embryonic mortality between 15 and 19 days of pregnancy in cattle due to the increase in the release of endometrial PGF2a, resulting in regression of the corpus luteum. The synthesis of PGF2a can be inhibited in animals supplemented with linoleic acid-rich compounds, among them a sunflower seed. In a previous study (Peres et al., 2008), Nellore cows supplemented with sunflower seed fo…