| Summary |
An electron microscopic study was carreid out on speciemens of feces ftom cases of piglet viral diarrhea, submitted to the Taiwan Provincial Research Institute for Animal Health during 1985-1986. Corona-virus was the major virus identified, with 154 viral samples received during the period, of which 127 were corona-virus, 19 were rota-virus, 6 were entero-virus, Adena-virus and astro-virus were only one each respectively. Six hundred and fifty sow sera for TGE virus antibidy examination were detcted using neutralization test, of which 208 were positive.
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