| onchocerca gutturosa and onchocerca lienalis in cattle: effect of age, sex, and origin on prevalence of onchocerciasis in subtropical and temperate regions of florida and georgia. | evaluation of 845 cattle from florida and georgia for onchocerciasis indicated a significantly higher prevalence of infection with onchocerca gutturosa and a significantly lower prevalence of infection with onchocerca lienalis in the southern portion of florida (subtropical region) than in the northern portion of florida or in georgia (temperature region). in all regions, prevalence of infection with o gutturosa was significantly higher than infection with o lienalis. in the temperate region, bu ... | 1986 | 3777654 |