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Poultry
Pullorum disease, caused by Salmonella enterica pullorum, is a highly contagious, vertically transmitted bacterial infection primarily affecting young chicks and poults, resulting in high mortality (up to 100%). Key signs include white, sticky diarrhea (“pasty butt”), huddling, anorexia, and weakness. While antibiotic treatments exist, control relies on testing, culling carriers, and maintaining strict biosecurity.
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