| trichomoniasis as a factor in mourning dove population decline in fillmore, utah. | we examined whether trichomoniasis had been a factor in a dramatic mourning dove (zenaida macroura) population decline in fillmore, utah (usa). we reasoned that if we could not find a high proportion of doves showing clinical signs of disease then the population was not being affected. prevalences of trichomonas gallinae in doves were 21% for 1992 and 14% for 1993. we also examined 230 birds and found only one with oral lesions. these prevalences were similar to those observed at the same study ... | 1995 | 7563432 |