A total 1.531.243 of Buffalo and Cattle with Hemorrhagic Septicemia was investigated from 2008 to 2013 in Ha Giang province, the results showed that: The prevalence of infected on the Winter-Spring seasons were found 0,06 percent, on the Summer - Autumn seasons were found 0,14 percent
the prevalence of dead on the Winter - Spring seasons were found 43,49 percent, on the Summer Autumn seasons were found 52,03 percent. Factors of the climate have correlation significance with Hemorrhagic Septicemia on Buffalo and Cattle (r0,8). The season disease of the with Hemorrhagic Septicemia were usually affected on Buffalo and Cattle in a Summer - Autumn from April to October, such a month with a highest of the annual average rainfall
average temperature degree and average humidity.