Zabransky Cody J, Webb Stephen L, Fedynich Alan M, Bryan A Lawrence
Caesar Kleberg Wildlife Research Institute, Texas A&M University-Kingsville, 700 University Boulevard, MSC 218, Kingsville, Texas 78363, USA.
J Parasitol. 2008 Oct;94(5):1178-9. doi: 10.1645/GE-1480.1.
Wood storks (Mycteria americana) are endangered throughout their breeding range in the United States. Because of this, researchers have had little opportunity to thoroughly examine the continental wood stork population for endoparasites. The blood protozoan Haemoproteus crumenium has been identified from several populations of wood storks in North America. However, there have been no reports of wood storks being infected with species of Plasmodium or Leucocytozoon. During 2003, 42 nestling wood storks were captured at sites in Georgia and 27 free-ranging wood storks were captured at postbreeding dispersal sites in Mississippi and Louisiana. Two thin blood smears were made from each bird, and they were examined for parasites. Haemoproteus crumenium was found in 5 wood storks (7.2%), whereas Leucocytozoon sp., Plasmodium sp., and microfilariae were not observed. Mean intensity of H. crumenium was 4.4 +/- 0.7 (SE) per 2,000 erythrocytes counted. All infected wood storks were subadult or adult and were from postbreeding dispersal sites in Mississippi.
在美国，林鹳（Mycteria americana）在其整个繁殖范围内都处于濒危状态。因此，研究人员几乎没有机会全面检查大陆林鹳种群中的体内寄生虫。血液原生动物克氏血变虫已在北美多个林鹳种群中被发现。然而，尚无林鹳感染疟原虫属或白细胞虫属物种的报道。2003年期间，在佐治亚州的一些地点捕获了42只林鹳雏鸟，在密西西比州和路易斯安那州的繁殖后扩散地点捕获了27只自由放养的林鹳。从每只鸟身上制作了两张薄血涂片，并检查其中的寄生虫。在5只林鹳（7.2%）中发现了克氏血变虫，而未观察到白细胞虫属、疟原虫属和微丝蚴。每2000个计数红细胞中克氏血变虫的平均感染强度为4.4±0.7（标准误）。所有受感染的林鹳均为亚成体或成体，且来自密西西比州的繁殖后扩散地点。
