resistance to benzimidazoles and levamisole in nematode parasites of sheep in nyandarua district of kenya.the occurrence of anthelmintic resistance on 25 sheep farms in the nyandarua district of kenya was investigated, using the faecal egg count reduction test (fecrt), the egg hatch assay (eha) and a larval development assay (lda). in the fecrt, resistance to both benzimidazoles (bzs) and levamisole (lev) was detected on four farms, resistance to lev only on three farms and to bzs, only on two farms. haemonchus contortus was the predominant nematode species in both pre-treatment and post-treatment f ...19989588239
effect of urea-molasses block supplementation on grazing weaner goats naturally infected with gastrointestinal nematodes.the influence of feeding urea-molasses blocks (umb) on growth and gastrointestinal (gi) nematode parasitism of weaner goats grazing the same pasture was investigated on a farm in nyandarua district, kenya. thirty female small east african goat kids at an average age of 5 months were initially treated with albendazole orally (5 mg kg(-1) body mass) and randomly assigned into one of two groups: group i were fed umb prepared using a cold process and group ii kids (controls) received no block supple ...200415732455
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