The Animal Husbandry and Veterinary department officials said that there were 847 pigs infected with fever in the district during the same period out of which 221 have died.
Meanwhile, deputy commissioners of districts adjoining Myanmar and some states having borders with Myanmar clamped prohibitory order banning import of pigs.
State veterinary officials said that a disease, porcine reproductive and respiratory syndrome (PRRS), was in a pandemic form in Myanmar which shares 414 km long international border with Mizoram.