isoenzyme patterns of extracts of adult schistosomes collected from Hippopotamus amphibius in Kruger National Park compared with similar extracts of adult Schistosoma mansoni and S. rodhaini, characteristics differed suggesting that H. amphibius schistosome is separate species

techniques to locate lesions and recover developmental stages of helminths from equine arteries, subperitoneum, liver, and lungs postmortem

Echinococcus multilocularis, cats are less suitable than dogs as definitive hosts

levamisole toxicity in pigs was enhanced by nicotine-like compound (pyrantel) but was not affected by organophosphate (dichlorvos)

Toxoplasma gondii, goats, prevention of abortion and neonatal death by vaccination with nonpathogenic coccidium Hammondia hammondi

Theileria mutans, 4 isolates obtained from geographically distant parts of South Africa by subinoculation of infected blood were readily transmitted to cattle by Amblyomma hebraeum, all attempts to transmit these isolates with Rhipicephalus appendiculatus were unsuccessful

Babesia bovis, cattle, kinetics of specific indirect fluorescent antibody test titers and total serum IgG and IgM values after vaccination and challenge exposure, nonspecific suppression of total IgG and IgM values coinciding with period of peak parasitemia

Toxoplasma gondii, clinical disease in nonvaccinated dairy goats, protective immunity against clinical toxoplasmosis in dairy goats vaccinated with Hammondia hammondi but not H. heydorni, antibody to T. gondii in vaccinated and challenge exposed goats

Anaplasma marginale, several techniques used to determine effectiveness of stains for demonstrating colonies of Anaplasma in Dermacentor andersoni

Dirofilaria immitis-infected dogs (exper.), cardiopulmonary function before and after period of exercise training, dogs tolerated program without signs of congestive heart failure or further development of pulmonary hypertension