mature Ostertagia ostertagi and immature Ostertagia spp. in naturally infected dairy calves, activity of levamisole; overwinter survival on pasture of gastrointestinal helminth free-living stages as found in necropsy of previously helminth free calves placed on pasture in April: Kentucky

gastrointestinal nematodes, calves (exper.), efficacy of ivermectin given subcutaneously or given orally as drench or paste

common internal helminths of swine, flubendazole, dose range and efficacy studies

Dirofilaria immitis adults, dogs (exper.), effect of therapy with prednisolone vs. aspirin on pulmonary thromboembolism caused by thiacetarsamide treatment, scanning electron and light microscopy

Ascaris suum, Trichuris suis, naturally infected 10-week-old female pigs, anthelmintic activity of ivermectin administered subcutaneously or orally

small and large strongyles, ponies, cambendazole, effects of periodic therapeutic dosing (1974-1978) on strongyle egg counts and on mares' reproductive performance with teratologic implications, critical test, comparison of benzimidazole-resistant species of small strongyles in 4 populations

Bunostomum phlebotomum experimental infection of beef calves superimposed upon naturally occurring gastrointestinal nematode infections, fenbendazole anthelmintic efficacy tested

heartworm-infected dogs (infected by transplantation of adult worms), pulmonary arterial disease following use of adulticide (thiacetarsamide) modified by aspirin or prednisolone, arteriographic study

Strongylus vulgaris, pony foals (nat. and exper.), effectiveness of fenbendazole against later fourth stage larvae assessed by larval motility and studies of cranial mesenteric, ileocolic, and celiac arteries

Strongylus spp. and other parasites of equids (natural infections), controlled tests with fenbendazole in multiple doses at two dose levels