Abstract: The author has dissected or vivisected 182 sows that were eliminated in three eiggeries in different counties of Hainan during the years 1968—1983. The tested results were the following:
The sows that had gastric ulcer parts are dispersed at the bottom of stamach, cardia and pylorus, and their percentages are 65.5%, 20.6% and 13.8%.
This text describes briefly the clinical symptom of the disease, makes an analysis of concrete cause of it, and advances a policy—the prevention is important than cure. This article also advances a concrete measure of a Comprehensive prevention and cure.