Browsing Journal Articles by Subject "Haemonchus contortus"
Now showing items 1-6 of 6
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Differential resistance among goats to primary and secondary challenges of Haemonchus contortus.
(Department of Veterinary Pathology, Microbiology & Parasitology, 1994-09) -
Effect of selection pressure for thiabendazole resistance on fitness of Haemonchus contortus in sheep
(Department of Veterinary Pathology, Microbiology and Parasitology, University of Nairobi, 1990-04)A strain of Haemonchus contortus showing moderate levels of resistance to thiabendazole (TBZ) (egg hatch assay LC50 2.1 microM) was subjected, in alternating sequence, to 5 in vitro and 4 in vivo selections with TBZ. This ... -
Hypobiosis of Haemonchus contortus in natural infections of sheep and goats in a semi-arid area of Kenya
(Department of Public Health, pharmacology and Toxicology, University of Nairobi, 1998)A total of 42 lambs, 42 kids, 21 ewes and 21 does were necropsied during an investigation of the epidemiology of Haemonchus contortus infection of sheep (Red Maasai) and goats (Small East African Goat) in a semi-arid area ... -
Impact of gastrointestinal helminths on production in goats in Kenya
(Department of Veterinary Pathology, Microbiology and Parasitology, University of Nairobi, 2001-10)The impact of gastrointestinal nematodes on health and production of goat was investigated in a low potential area (Ecozone 3) of Kenya. The study involved 44 Small East African goat kids aged 4–5 months divided into two ... -
Multiple Anthelmintic Resistance in Haemonchus Contortus on a Sheep Farm in Kenya
(Kluwer Academic Publishers bv ^ Printed in the NetherlandsDepartment of Veterinary Pathology, Microbiology and Parasitology, Faculty of Veterinary Medicine, 1997)Multiple resistance to albendazole, thiophanate, levamisole and orally administered ivermectin was detected in an isolate of Haemonchus contortus in sheep on a farm where benzimidazole resistance had already been identi¢ed. ... -
Susceptibility to IVM in a field strain of Haemonchus contortus subjected to four treatments in a closed sheep–goat flock in Kenya
(Department of Public Health, pharmacology and Toxicology, University of Nairobi, 2003)Susceptibility to IVM (IVM) of “strain A” Haemonchus contortus which had been exposed to IVM four times over a 2-year period was compared to IVM susceptibility of “strain C” H. contortus which had no prior field exposure ...