Epizootic of classical swine fever (hog cholera) in Sri Lanka
1984
Wanasinghe, D.D. (Veterinary Research Inst., Peradeniya (Sri Lanka))
Investigations were carried out into an outbreak of a disease in a piggery housing about 1200 pigs in the West Coast of Sri Lanka in March 1983. The condition was diagnosed as Classical Swine Fever (CSF) on the clinical signs and post mortem lesions. This diagnosis was confirmed by the Central Veterinary Laboratory in the Netherlands. Epizootiological investigations revealed that the disease had originated five months earlier in a piggery which used swill from the kitchen of the Colombo International Airport, Katunayake, which contained pork and pork products imported from countries where swine fever was endemic. A series of secondary outbreaks had occurred during the interim period in several neighbouring piggeries. The practice of salvage slaughtering of pigs from disease herds and feeding pigs with swill from hotels which used processed meat from salvaged carcasses have been identified as the chief cause of spread of the disease among the organized piggeries. The free range pig population presumably had got infected by feeding on domestic kitchen left overs and water us0614ed to wash the meat of salvaged animals. It was estimated that the disease wiped out about 40 - 50% of the country's pig popula
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