Host differences in response to trickle infection with Fasciola gigantica in buffalo, Ongole and Bali calves

Wiedosari, E., Hayakawa, H., and Copeman, B. (2006) Host differences in response to trickle infection with Fasciola gigantica in buffalo, Ongole and Bali calves. Tropical Animal Health and Production, 38 (1). pp. 43-53.

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Abstract

Progressive weight gain, faecal egg counts, packed cell volume, percent eosinophils in blood, serum antibody and serum levels of glutamate dehydrogenase and gamma-glutamyl transpeptidase were recorded in seven swamp buffalo (Bubalis bubalis), 7 Ongole (Bos indicus) and four Bali calves (Bos sundiacus) which were infected orally with 15 metacercariae of Fasciola gigantica twice weekly for 32 weeks. Similar observations were made on four buffalo, 4 Ongole calves and 3 Bali calves maintained fluke-free as controls. Flukes were counted at slaughter 36 weeks after initial infection. Mean daily weight gains of infected Bali (228 ± 100 (SD) g/day) and infected Ongole calves (328 ± 57 (SD) g/day) were lower (p = 0.026 and 0.067, respectively) than those of control calves (405 ± 107 (SD) g/day), but infected buffalo calves (379 ± 78 (SD) g/day) had similar weight gains to those of the controls (p = 0.57). Throughout the trial, faecal Fasciola egg counts in buffaloes were about one-fifth of counts of Ongole calves, and counts in Bali calves were intermediate. Ongole calves had three times the number of flukes at slaughter in their liver compared to buffalo and Bali calves, which had similar numbers. However, there was evidence that Bali calves had acquired a degree of resistance about 24 weeks after infection commenced and may have lost adult flukes as a consequence.

Item ID: 29245
Item Type: Article (Research - C1)
ISSN: 1573-7438
Keywords: Fasciola gigantica, resistance, resilience, bali cattle, ongole cattle, buffalo
Date Deposited: 20 Sep 2013 04:30
FoR Codes: 07 AGRICULTURAL AND VETERINARY SCIENCES > 0707 Veterinary Sciences > 070708 Veterinary Parasitology @ 100%
SEO Codes: 83 ANIMAL PRODUCTION AND ANIMAL PRIMARY PRODUCTS > 8303 Livestock Raising > 830301 Beef Cattle @ 100%
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