Anaplasma marginale infection in a cow: A case report

A 4 years and 6 months old cow with a clinical history of inappetance, weakness, reduced milk yield, raw turmeric colour loose stool, dark urine colour, high body temperature (103.9oF), tachycardia, slight lung congestion, papery white mucous membrane and tick infestation was found to be suffering with Anaplasma marginale. On microscopic examination of blood smear Anaplasma marginale organisms were diagnosed. Low haemoglobin level (6.5g/dl), low PCV (18.7%) and low erythrocyte count (4.34M/mm3) were observed on haematological analysis. It was treated with Oxytetracycline @10 mg/kg body weight intravenously by mixing with 500 ml of normal Saline solution 12 hourly for 5 days, Restobal @ 50 ml orally twice daily for 10 days, Tribivet injection @ 10 ml intramuscularly at alternate day for 5 occasions were found effective. Though clinical signs started to subside from 2nd day of post-treatment with decreasing body temperature, increasing appetite, stool and urine colour returning to normal but complete recovery was observed around 21st days of post-treatment and that was accounted by returning the milk yield normal level and maintenance of all other body condition.