According to Vietnam Express, the viral disease has been found at two farms in Trang Bom and Nhon Trach districts close to HCMC.
Dong Nai has the largest number of pigs in Vietnam, more than 2.5 million, of which 75 percent are raised in large farms and the rest in households, according to the province's Livestock Association.
The province is the first locality in southern Vietnam reported to be hit by African swine fever, which has been reported in pig farms in more than 20 cities and provinces in the northern and central regions this year. Over 85,000 pigs have been culled.
But several northern provinces and Hanoi have reported they are free of African swine fever after there were no new cases of pigs dying for 30 days as required under Vietnamese regulations.
Tuesday May 7, 2019/ VN Express/ Vietnam.
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