Test of Immune Effects of Excreted/Secreted Antigen Vaccine on Goat Abortion High Incidence Area

Vaccine developed with Toxoplasma gondii E/SA(excreted/secreted antigen)vaccine primarily and Supplemented with Chlamydia vaccine,injection effects were observed on 299 female goats before mate.The results demonstrated that abortion rate decreased significantly,abortion rate of three groups decreased from 42%,36.7% and 35% to 24.39%,0% and 22.88% respectively,abortion rate decreased 41.92%,100% and 34.62% than last year.However,abortion rate of pre-immune group increased 52.7%(from 37% to 56.5%).After on-the-spot investigation and serum analysis,many interfere factors were excluded,this proves the obvious effects of Toxoplasma gondii E/SA vaccine in this immunity.