ANFS100 Lecture Notes - Lecture 11: African Swine Fever Virus, Ground Squirrel, Asfarviridae
19 Mar 2019
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Document Summary
African swine fever threatens pigs in china. Enveloped dna virus transmitted by arthropods isolates vary in virulence high virulence: up to 100% mortality low virulence: seroconversion, may take time to reach detectable levels. Survives at least 30 days in pens. Survives more than 140 days in some pork products. Killed by high temps and some disinfectants. Center for food security and public health, iowa state university, 2011. Mortality or death varies with virulence of isolate. Found in all tissues and body fluids. China has world"s population of pigs - little gets exported to us. Prices increased 25% - developing nations raised prices. Likely to result in consolidation of small hold industry. Trade war puts the hoof into u. s. pig part exports to china: Export 9 of 10 pigs feet and heads to china. You often hear that the products are what keep the plants running . Actions needed will be directed by state and/or federal animal health authorities.
