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Epidemiological and clinico-therapeutic studies on bovine trypanosomosis
The present study was undertaken to assess the epidemiological and clinico-therapeutic aspects of Trypanosoma evansi infection in bovines. A total of 530 animals (510 cattle and 20 buffalo) from various University farms, University Veterinary hospitals and farm households were screened for trypanos...
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| Övriga upphovsmän: | |
| Materialtyp: | Ph.D Thesis |
| Språk: | Undetermined |
| Publicerad: |
Mannuthy
Department of Veterinary Epidemiology and preventive medicine, College of Veterinary and Animal Science
2005
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| 100 | |a Smitha P S | ||
| 245 | |a Epidemiological and clinico-therapeutic studies on bovine trypanosomosis | ||
| 260 | |a Mannuthy |b Department of Veterinary Epidemiology and preventive medicine, College of Veterinary and Animal Science |c 2005 | ||
| 300 | |a 82 | ||
| 502 | |b MVSc | ||
| 520 | 3 | |a The present study was undertaken to assess the epidemiological and clinico-therapeutic aspects of Trypanosoma evansi infection in bovines. A total of 530 animals (510 cattle and 20 buffalo) from various University farms, University Veterinary hospitals and farm households were screened for trypanosomosis using parasitological and serological techniques. Wet film examination of blood, Giemsa stained blood smears and micro-haematocrit centrifugation technique could detect parasitaemia only in one animal (0.19 per cent). Dot-ELISA detected anti-Trypanosoma evansi antibodies in twelve cattle and six buffalo screened for trypanosomosis. Buffalo showed a higher rate of infection (6 per cent) than cattle (2.35 per cent). No breed predisposition was observed among cattle for trypanosomosis. A higher prevalence of infection was observed among animals of one to three years of age. The mean packed cell volume, haemoglobin and total erythrocyte counts of the sero-positive animals (17.667 ± 5.156 per cent, 6.600 ± 1.124 g/dl and 3.467 ± 1.234 x106/mm3 respectively) were significantly lower than that of the control group (32.600 ± 4.719 per cent, 10.860 ± 2.133 g/dl and 6.230 ± 1.772 x106 /mm3 respectively). Significant lymphopaenia and neutrophilia were observed in the infected animals. The clinically positive animal exhibited snoring, inappetance, reduced milk yield, emaciation and anaemia. Quinapyramine prosalt at the dose rate of 7.4 mg/kg body weight sub-cutaneously provided effective clinical cure and marked improvement in haemato-biochemical parameters a week after therapy. The study revealed dot-ELISA to be a highly sensitive, cost-effective and easy to perform test that can be adopted as a diagnostic tool in trypanosomosis. | |
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