| prevalence and potential vectors of haemoproteus in nebraska mouring doves. | three hundred and nine mourning doves (zenaida macroura) from lancaster county, nebraska, were examined for species of haemoproteus. older doves possessed higher haemoproteus prevalences than younger doves. mean total prevalence for each dove age group was as follows: adults, 61% h. sacharovi and 83% h. maccallumi; immatures, 35% h. sacharovi and 42% h. maccallumi; and nestlings, 31% h. sacharovi and 16% h. maccallumi. yearly prevalences were less variable in mature doves than in immature and ne ... | 1975 | 806709 |
| association between agricultural land use and west nile virus antibody prevalence in iowa birds. | in the plains states of the central united states, research suggests that the prevalence of west nile virus (wnv) disease in humans is higher in agricultural areas than in nonagricultural areas. in contrast, there is limited information about wnv exposure in birds, the primary amplifying host of wnv, in agriculturally dominated landscapes. we evaluated whether exposure to wnv in peridomestic birds sampled in central iowa varied with the proportion of land use devoted to agriculture. over the sum ... | 2013 | 24502714 |