Gastrointestinal parasitism is one of the most important disease complexes of sheep and
goats impacting on the resource-poor livestock farmer. Of the responsible nematodes …

Four experiments, two with sheep and two with goats, were carried out to determine the
efficacy of ivermectin, fenbendazole, levamisole, closantel and some of their combinations …

Faecal egg count reduction tests (FECRT) and larval cultures were used to assess the
prevalence of anthelmintic resistance amongst sheep and goats on farms served by Kenya's …

Following evidence of reduced efficacy of oral ivermectin in a field population of
Haemonchus contortus on a sheep farm in Kenya, this strain of the parasite was submitted to …

A survey was undertaken between March and September 1992 to assess the prevalence of
fenbendazole resistance in sheep nematodes in 32 traditionally managed rural flocks and …

There are few publications on the clinical haematology and biochemistry of African penguins
(Spheniscus demersus) and these are based on captive populations. Baseline haematology …

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 …

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 …

A controlled anthelmintic efficacy test was used to confirm results of faecal egg count
reduction test obtained earlier from a field survey where field strains of Haemonchus …

Control of gastrointestinal nematodes in ruminants is most effectively achieved through
interventions based on the epidemiology of the parasites. Until recently, the epidemiology of …