National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
Theileriosis is a tick borne haemoprotozoan disease caused by Theileria spp, Theileria annulata and Theileria orientalis most commonly. The disease has gained economic importance as it causes huge losses to farmers in the form of decrease milk production and expensive treatment of the disease. Thin blood smears and blood in EDTA from the ear vein of a Jersey cross bred female cattle aged 5 years was referred to the Department of Parasitology, Nagpur Veterinary College, Nagpur, showing symptoms of unilateral exophthalmia of left eye, severe lacrimal discharge, moderately swollen lymph nodes and increased temperature with no other clinical signs. Thin blood smear was stained with Giemsa’s stain and revealed positive for piroplasms of Theileria in smear. The blood was also subjected to PCR using specific primers of Theileria annulata (Tams1) and Theileria orientalis (MPSP).PCR reaction has confirmed Theileria annulataby observing band of 750bp which encodes the 30kDa major merozoite surface antigen (Tams1). The animal was treated with Buparvoquone(5%)@ 1ml/20kg body weight. Broad spectrum antibiotics were given to control secondary bacterial infection with Vitamin B complex to boost the immunity. As expected recovery was observed with disappearance of clinical signs and exophthalmia disappeared on 7th day. Exophthalmia in crossbred calves has been reported by many scientists but this is a unique case of exophthalmia in adult cattle.
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