EPIDEMIOLOGICAL SURVEILLANCE, CLINICO PATHOLOGY. DIAGNOSTIC AND TECHNOECONOMIC ASPECTS OF FASCIOLIASIS IN BUFFALOES
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Date
1997
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AAU, Anand
Abstract
The epidemiological surveillance is a urgent need of today. The study was carried out from 1st January to 31st December, 1996 in the five villages of Anand district by visiting rural herd on a regular basis. In the present study the efforts were made to generate and analyse epidemiological data for fascioliasis from rural buffaloes. The epidemiological data on disease incidence in relation to season, meteorological factors. Physiological status, nutritional status, body condition score, housing and hygienic condition were analysed. The visit of the slaughter house was also made. The incidence of fascioliasis was 11.71 per cent in survey group and 22.26 per cent in slaughter group. The higher incidence was observed in August and September in both the group of buffaloes. A significant correlation was observed between the monthly incidence of fascioliasis in slaughtered and survey group. The lymnea species of snails was present in the nearby area of canals and ponds. Higher incidence was recorded in aged buffaloes (15.52 per cent) than young-esters below one year (3.10 per cent )whereas non-lactating buffaloes have more incidence of fascioliasis than lactating buffaloes. A positive significnat correlation of disease incidence with morning and evening relative humidity, minimum temperature has been noticed. A negative correlation of disease incidence with maximum temperature, pan evaporation and bright sunshine has been recorded. Clinically buffaloes suffering from fascioliasis were found to be weak, anorexic debilated, emaciated and having submandibular edema. On clinical observation respiration rate was increased and ruminal movements decreased in infected animals in compared to healthy animals. The respiration rate was higher in infected animals (26.90/minute) as compared to healthy one ( 16.30/minute) . Ruminal movements were also significantly decreased in infected animals (1.20/5 minutes) as compared to healthy one (3.08/5 minutes). The overall accuracy observed by faecal sample examination was 78.07 per cent. The egg count per gram of faeces was found to be in between 275 to 410. The haematobiochemical changes in blood and serum of infected buffaloes were investigated in comparison to healthy control, in both the groups. Infected buffaloes had low haemoglobin and erythrocyte count. The blood haemoglobin content in control group was 11.42±0.14 g/dl while in infected group it was 9.43±0.07 g/dl in survey group of animals.
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VETERINARY MEDICINE, A STUDY