Vol. 10, Issue 10, Part D (2025)

Author(s): K Jayalakshmi, M Venkatesan, D Sumathi and S Kathirvel

Abstract: A 7-year old recently calved Crossbred jersey cow was presented to Large Animal Medicine Unit, Veterinary College and Research Institute, Namakkal with a history of anorexia, agalactia and not voiding dung for 10 days. On physical examination, slight elevated body temperature and hypermotility of rumen was observed. Rectal examination revealed severely distended rumen. During ultrasound examination, a circumscribed mass with heterogenous echogenicity at right 6^th intercostal space between reticulum and omasum was observed. Ultrasound guided centesis was performed at lower 1/3^rd of thorax and foul smelling yellow coloured pus (600 ml) was aspirated. Gram staining of pus smear revealed numerous gram-negative rods and few cocci. The abscess cavity was lavaged with normal saline and metronidazole. The animal was treated with Inj. Streptopenicillin @ 20mg/Kg IM, Tylosin @ 10mg/Kg, Meloxicam @ 0.5 mg/Kg IM for 7 days. The post treatment ultrasonography was performed on 10^th day, the size of the abscess cavity and quantity of pus was reduced, the antibiotic treatment was continued upto 15 days and supportive therapy was followed for 5 days. The animal had good appetite after 15 days and improved weight gain after one month.

DOI: 10.22271/veterinary.2025.v10.i10d.2639