Samuel Michael D, Shadduck Daniel J, Goldberg Diana R
US Geological Survey, Biological Resources Division, National Wildlife Health Center, 6006 Schroeder Road, Madison, Wisconsin 53711, USA.
J Wildl Dis. 2004 Jul;40(3):377-82. doi: 10.7589/0090-3558-40.3.377.
Wetlands have long been suspected to be an important reservoir for Pasteurella multocida and therefore the likely source of avian cholera outbreaks. During the fall of 1995-98 we collected sediment and water samples from 44 wetlands where avian cholera epizootics occurred the previous winter or spring. We attempted to isolate P. multocida in sediment and surface water samples from 10 locations distributed throughout each wetland. We were not able to isolate P. multocida from any of the 440 water and 440 sediment samples collected from these wetlands. In contrast, during other investigations of avian cholera we isolated P. multocida from 20 of 44 wetlands, including 7% of the water and 4.5% of the sediment samples collected during or shortly following epizootic events. Our results indicate that wetlands are an unlikely reservoir for the bacteria that causes avian cholera.
长期以来，湿地一直被怀疑是多杀性巴氏杆菌的重要储存宿主，因此很可能是禽霍乱疫情爆发的源头。在1995年至1998年秋季期间，我们从44个湿地采集了沉积物和水样，这些湿地在前一年的冬季或春季发生了禽霍乱疫情。我们试图从分布在每个湿地的10个地点的沉积物和地表水样本中分离多杀性巴氏杆菌。我们未能从这些湿地采集的440份水样和440份沉积物样本中的任何一份中分离出多杀性巴氏杆菌。相比之下，在其他禽霍乱调查中，我们从44个湿地中的20个分离出了多杀性巴氏杆菌，包括在疫情期间或疫情后不久采集的7%的水样和4.5%的沉积物样本。我们的结果表明，湿地不太可能是导致禽霍乱的细菌的储存宿主。
