Manville A M
J Wildl Dis. 1978 Jan;14(1):97-101. doi: 10.7589/0090-3558-14.1.97.
Parasites collected from free-ranging black bears, Ursus americanus, in northern Wisconsin included Dermacentor variabilis, D. albipictus, Ixodes scapularis, Demodex sp., Trichodectes pinguis euarctidos, Baylisascaris transfuga and Dirofilaria ursi. Mange, possibly caused by the Demodex sp., also was observed. Dental caries were common and periodontal disease was observed in one animal.
从威斯康星州北部自由放养的美洲黑熊(Ursus americanus)身上采集到的寄生虫包括变异革蜱(Dermacentor variabilis)、白纹革蜱(D. albipictus)、肩突硬蜱(Ixodes scapularis)、蠕形螨属(Demodex sp.)、棕熊蠕形蚤(Trichodectes pinguis euarctidos)、转续贝蛔虫(Baylisascaris transfuga)和熊恶丝虫(Dirofilaria ursi)。还观察到可能由蠕形螨属引起的疥癣。龋齿很常见,在一只动物身上观察到了牙周疾病。