China Animal Husbandry Industry Co.Ltd. announced here that its subsidiary Chengdu medicine machinery company has produced 700,000 to 800,000 doses of vaccines as of Monday, the company sources said. The vaccines will be used to prevent the pig-borne epidemic in southwest China’s Sichuan Province, said the sources. Chengdu medicine machinery company is the first enterprise which acquires the approval from the Ministry of Agriculture to produce the vaccine in Sichuan, said the company head Wu Yue.