Nineteen species of gastro-intestinal nematodes were recovered from 10 Burchell's zebra. These include: Cyathostomum alveatum, C. montgomeryi and C. tetracanthum; Cylicocyclus auriculatus, C. gyalocephaloides, C. insigne and C. triramosus; Cylicodontophorus schürmanni and Cylicodontophorus n.sp., Cylicostephanus bidentatus, C. calicatus and C. minutus; Poteriostomum ratzii, Craterostomum acuticaudatum, Triodontophorus minor, Habronema majus, H. muscae, H. zebrae, and Draschia megastoma, as well as Cylindropharynx spp. The highest burdens encountered were those of Cylicocyclus triramosus (159 491), Cylindropharynx (19 875), Cylicocyclus auriculatus (15 792), Cylicostephanus calicatus (16 658) and Cyathostomum tetracanthum (13 723). The nematodes consistently present in all zebras were: Cylicostephanus calicatus, Cylindropharynx spp. and Draschia megastoma.

Haemonchus contortus with exceptionally long spicules recovered from vaal ribbok and bontebok, measurements

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

Dirofilaria immitis adults, dogs (exper.), description of pulmonary embolism caused by treatment with thiacetarsamide, scanning electron and light microscopy; first report of 'complicated' arteriosclerotic plaques in conjunction with D. immitis infection

3 hybridoma-produced monoclonal antibody cell lines elicited against Eimeria tenella sporozoites showed various degrees of reactivity with the other intracellular developmental stages, all inhibited sporozoite-host cell penetration and coccidial development in vitro

Dirofilaria immitis in naturally infected dogs, enzyme-linked immunosorbent assay evaluated for diagnosis of occult infection; collective criteria for diagnosis of occult infection

helminths of Thoroughbred horses with emphasis on stomach worms and tapeworms, numbers and infection rates according to host age and month of necropsy

trimethoprin-sulfadiazine in the horse, serum, synovial, peritoneal, and urine concentrations after single-dose intravenous administration

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

pharmacokinetics of [3H]levamisole in pigs after oral and intramuscular administration