Pigs were also reported dead in Bach Thuong and Chuyen Ngoaicommunes, Duy Tien district with the virus suspected as the cause.
The total number of pigs being slaughtered amounted to 142the same day.
Outbreaks have so far reported from 10 communes of fourdistricts in the locality with nearly 1,100 pigs being slaughtered.
Localities in affected areas used more than 2,600 litres ofchemicals and 42,500kg of powdered lime to disinfect farms and the surroundingenvironment.
On April 2 in the northern city of Hai Phong, outbreakserupted in the districts of Duong Kinh, Hai An, Kien An and the communes ofThuy Nguyen, Tien Lang, An Duong, Vinh Bao, Kien Thuy and An Lao. Nearly 18,900pigs were culled.
The municipal Animal Husbandry and Veterinary Sub-Departmentsupplied 71,000 litres of chemicals to localities to combat the epidemics. Morethan 310,000kg of powdered lime was used for disinfection.
Units concerned were urged to zone off affected areas toprevent the spread of the virus.-VNA