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The Indian Journal of Small Ruminants
Year : 2009, Volume : 15, Issue : 2
First page : ( 205) Last page : ( 211)
Print ISSN : 0971-9857. Online ISSN : 0973-9718.

Comparative evaluation of different methods of calculation for faecal egg count reduction

Maharshi A.K., Swarnkar C.P., Singh D., Manohar G.S.

Department of Veterinary Parasitology, College of Veterinary and Animal Sciences, Bikaner - 334 001, Rajasthan, India. E-mail address: swarnkarcp@yahoo.com.

Received:  10  November,  2008; Accepted:  20  January,  2009.

Abstract

A total of 22 sheep flocks from farm and field were undertaken for the study using benzimidazole (BZ) and tetramisole (TEM) on anthelmintic resistance determined by four different formulae for data on faecal egg count reduction test. The proportion of flocks revealing BZ resistance in strongyle worms varied from 81.82% (Method 3) to 86.36% (Methods 1, 2 and 4). Like-wise the extent of TEM resistant strongyle worm in flocks ranged from 31.81% (Method 2) to 41.91% (Method 3). High concordance was found between Methods 1 and 2 for BZ resistance and between Methods 2 and 3 for TEM resistance.

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Key words

Anthelmintic resistance, Benzimidazole, Faecal egg count, Sheep, Tetramisole.

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