Year: 2026 | Month: February | Volume 16 | Issue 1
Pathology of Combined Infection of Capillariasis, Ascariasis and Caecal Coccidiosis in Aseel Chicken Flock
M. Sasikala1*
N. Jayanthi
R. Madheshwaran
C. Shyamala and N. Rani
DOI:10.30954/2277-940X.01.2026.4
Abstract:
Two Aseel carcasses from a backyard poultry farm were brought for post-mortem examination to the Department of Veterinary Pathology, Veterinary College and Research Institute, Udumalpet with the clinical history of emaciation, loss of appetite, prostration and death. On necropsy, birds were severely emaciated with prominent keel bone and crop revealed severe mucosal thickening with deposition of raised grey coloured pseudo membranes. Gizzard and small intestines contained numerous thread like worms with varying degrees of obstruction. Caecum showed serosal congestion and lumen contained caecal core with severe mucosal congestion. Microscopically, the crop revealed severe parakeratosis, hyperkeratosis and diphtheritic membrane formation with Capillaria annulata worms. Small intestine revealed desquamation of villus epithelium, fusion of villus, congestion, severe mononuclear cell infiltration in lamina propria and presence of cut sections of Ascaridia galli. In addition, caecum revealed villus atrophy, necrosis of submucosal glands and haemorrhagic typhlitis with severe mononuclear cell infiltration in the lamina propria and sub mucosa. Caecal crypt epithelium revealed desquamation, severe goblet cell hyperplasia with various developmental stages of Eimeria sp. The present study underlines the pathological features of combined infection of Capillariasis, Ascariasis and Coccidiosis in Aseel chicken of Tiruppur district of Tamil Nadu.
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