Neospora caninum Infection during the First Gestation of Holstein Heifers That Consume Food Contaminated Naturally with Zearalenone under Field Conditions

摘要

Background:This work studied the natural infection of Neospora caninum during the first gestation of heifers in a dairy farm in animals consuming a ration co ntaminated naturally with Zearalenone (ZEA), and to find out effect of mycotoxin in the levels of estrogen (E) and progesterone (P4) and that‘s relation to the infection to N. caninum and in the abortions.