| canine heartworm in the domestic and wild canids of southeastern nebraska. | the prevalence of canine heartworm (dirofilaria immitis) was examined in the domestic dog, coyote (canis latrans), and red fox (vulpes fulva) populations of southeastern nebraska. microfilariae were detected in 21.4% (22 of 103) of the domestic dogs. the average age of infection for dogs was 5.8 yr. nine of the 22 infected dogs also were positive for dipetalonema reconditum. thirty-nine of 443 (8.9%) coyotes were found to have adult heartworms. the average number of male and female worms per hea ... | 1985 | 4093815 |