Gese Eric M, Karki Seija M, Klavetter Mead L, Schauster Edward R, Kitchen Ann M
US Department of Agriculture, Wildlife Services, National Wildlife Research Center, Department of Forest, Range, and Wildlife Sciences, Utah State University, Logan, Utah 84322, USA.
J Wildl Dis. 2004 Oct;40(4):741-8. doi: 10.7589/0090-3558-40.4.741.
Swift foxes (Vulpes velox) and coyotes (Canis latrans) are sympatric canids distributed throughout many regions of the Great Plains of North America. The prevalence of canid diseases among these two species where they occur sympatrically is presently unknown. From January 1997 to January 2001, we collected blood samples from 89 swift foxes and 122 coyotes on the US Army Piñon Canyon Maneuver Site, Las Animas County, SE Colorado (USA). Seroprevalence of antibodies against canine parvovirus (CPV) was 71% for adult (> 9 mo old) and 38% for juvenile (< or = 9 mo old) swift foxes. Adult (<1 yr old) and juvenile (<1 yr old) coyotes had a seroprevalence for CPV of 96% and 78%, respectively. Presence of antibodies against canine distemper virus (CDV) was 5% for adult foxes and 0% for juvenile foxes. Seroprevalence of CDV was 46% for adult coyotes and 18% for juvenile coyotes. No swift foxes had canine adenovirus (CAV) antibodies, whereas 81% and 63% of adult and juvenile coyotes, respectively, had antibodies for CAV. Seroprevalence of antibodies against Yersinia pestis was 68% among adult foxes and 34% among juvenile swift foxes. Seroprevalence of Y. pestis antibodies was 90% and 70% for adult and juvenile coyotes, respectively. No swift foxes had antibodies against Francisella tularensis, whereas seroprevalence was 4% among both adult and juvenile coyotes. Antibodies against CPV and plague were common in both species, whereas antibodies against CDV and CAV were more prevalent in coyotes compared to swift foxes.
草原狐（Vulpes velox）和郊狼（Canis latrans）是同域分布的犬科动物，分布于北美大平原的许多地区。目前尚不清楚这两个同域分布物种中犬科疾病的流行情况。1997年1月至2001年1月，我们在美国科罗拉多州东南部拉斯阿尼马斯县的美国陆军派尼昂峡谷演习场采集了89只草原狐和122只郊狼的血样。成年（>9月龄）草原狐抗犬细小病毒（CPV）抗体的血清阳性率为71%，幼年（≤9月龄）草原狐为38%。成年（<1岁）和幼年（<1岁）郊狼抗CPV的血清阳性率分别为96%和78%。成年狐狸抗犬瘟热病毒（CDV）抗体的存在率为5%，幼年狐狸为0%。成年郊狼抗CDV的血清阳性率为46%，幼年郊狼为18%。没有草原狐有犬腺病毒（CAV）抗体，而成年和幼年郊狼分别有81%和63%有CAV抗体。成年狐狸中抗鼠疫耶尔森菌抗体的血清阳性率为68%，幼年草原狐中为34%。成年和幼年郊狼抗鼠疫耶尔森菌抗体的血清阳性率分别为90%和70%。没有草原狐有抗土拉弗朗西斯菌的抗体，而成年和幼年郊狼中的血清阳性率均为4%。抗CPV和鼠疫的抗体在两个物种中都很常见，而抗CDV和CAV的抗体在郊狼中比在草原狐中更普遍。
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