Description    Several species of the nematode genus STREPTOCARA inhabit the gizzard, the proventriculus, and the mucosa of the upper digestive tract of wild waterfowl and can cause pharyngitis, esophagitis, and ventriculitis.
Species   Avian
Signs   Abnormal upper airway breathing sounds, Anorexia, Dullness, Dysphagia, Dyspnea, Increased mortality in flocks of birds, Increased respiratory rate, Polydipsia, Reluctant to move, Ruffled, ruffling of the feathers, Underweight, poor condition, thin, emaciated, unthriftiness, ill thrift, Vomiting or regurgitation, Weight loss
References   Alic A. Fatal Verminous Pharyngitis and Esophagitis Caused by Streptocara incognita in Mute Swans (Cygnus olor). Avian Dis 2013;57:147 [Web Reference]
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