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ISSN 8541-3697 (Print)

2011, Number 2

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AbanicoVet 2011; 1 (2)

Determination nematodes antihelmintic resistence against ivermectin in alpacas (Vicugna pacos)) Puno-Peru

Traverso ACM

Language: Spanish
References: 26
Page: 11-20
PDF size: 613.14 Kb.


ABSTRACT

Nematodes anthelmintic resistance against of ivermectin was determined in 60 alpacas among male and female from Alpacas Breeding Center of Regional Government of Puno – PECSA –Illpa- Puno. The animals were treated with Ivermectin at 200 ncg/Kg live weight. Feces samples from each animal were obtained every 15 days, 03 samples before and 03 samples after of the treatment. The parasitic infection level was determined on the fourth sample. The next day after treatment an antianemic/anabolic was administered in two doses every 48 hours. After obtaining the fecal samples an Ovoposition reduction test (FCRT) was carried out. Anthelmintic resistance was obtained for Strongylus spp in 100%, followed by Nematodirus sp and Lamanema chavezi, for low, moderate and high infection levels in males and females. The highest resistance for low infection level in males was Lamanema chavezi with 79.62%, followed by moderate infection level with 89.98% in males and a low infection level with 82.23% in females. Parasites of male alpacas showed greater resistance to anthelmintic 88.78%, being Strongylus spp the most resistant with 78.66%, followed by Lamanema chavezi with 79.62%. Ovoposition reduction lower than 80 % (high resistances) was 25%, 10% and 10% for low infection levels, moderate and high, respectively. Medium resistance to gastrointestinal nematodes was 28.33% for Stroggylis spp, Nematodirus spp and Lamanema chavezi.


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