26/21 | General Article | Veterinary Pathology

Occurrence and Pathology of Syngamus Trachea in a Flock of Native Chicken (Gallus gallus domesticus) Reared in the Backyard

KNP College of Veterinary Science Shirwal - 412801, District Satara, Maharashtra. Maharashtra Animal and Fishery Science University, Maharashtra, India.

Abstract

In the present study, a flock of 78 native chicken reared in the backyard was investigated for lingering mortality. Diseased birds showed progressive loss of weight, sneezing, shaking of the head, typical “gapes” and coughing as salient clinical signs. At necropsy tracheal lumen had bright red “y” shaped worms attached to mucosa along with excessive mucous, congestion and multifocal haemorrhages. Based on gross and microscopic examination parasites were identified as Syngamus trachea. Histopathological examination revealed infiltration of lymphocytes, macrophages and few heterophils in the mucosa and submucosa. Hyperplasia of goblet cells, congestion and hemorrhages were also observed throughout the layers of trachea. Fenbendazole was found to be effective to control the disease. The present study confirmed the occurrence of Syngamus trachea in the Maharashtra state of India for the first time.

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