ASSESSING THE POSSIBILITY OF PORCINE EPIDEMIC DIARRHEA (PED) PREVENTION WITH AUTO-VACCINE IN THANH HOA PROVINCE
Abstract
The study aimed to assess the protective ability of Auto-Vaccine PED in pig herds in Thanh Hoa province. Using ELISA technique to determine the presence of antibodies in the serum of 60 pregnant sows at 13 weeks after using Auto-Vaccine PED, and at the same time monitoring the health of the piglets together with their mother pigs. Research results show that: After using Auto-Vaccine PED, 100% of serum samples contained antibodies with OD values from 0.05 - 1.04. At 14 days after Auto-Vaccine PED, 78.33% of samples and at 21 days 80.00% of samples were with positive antibody content (Cut off = 0.21). Results of monitoring piglets born from the sows that have received Auto-Vaccine PED show that the average disease rate is 9.93%, mortality rate is 2.77%, fatality rate is 27.94%, the number of infected herds is 21.67%.