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Pterygodermatites nycticebi infections in golden lion tamarins ( Leontopithecus rosalia rosalia ) and aye‐ayes ( Daubentonia madagascariensis ) from a German zoo
Zoo Biology ( IF 1.3 ) Pub Date : 2020-11-02 , DOI: 10.1002/zoo.21578
Liliana M. R. Silva 1 , Iris Voelker 2 , Christina Geiger 3 , Nicole Schauerte 3 , Joerg Hirzmann 1 , Christian Bauer 1 , Anja Taubert 1 , Carlos Hermosilla 1
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In a golden lion tamarin (Leontopithecus rosalia rosalia) colony kept indoors in a German zoo, two animals presented a sudden onset of reduced general condition, lethargy, and diarrhea. At animal capture for clinical examination, adult nematode stages were observed after stress-induced defecation. Despite treatment, two golden lion tamarins died in the following 2 days. At necropsy, spirurid stages were found in the lungs and intestine. Additionally, adult Pterygodermatites spp. were identified in histopathological samples of intestine and pancreas, confirming the previous diagnosis. Upon diagnosis, all animals were treated with ivermectin (0.2 mg/kg; SC). Thereafter, the general condition of the golden lion tamarins improved, whereby some of them excreted spirurid nematodes over 3 days. Four weeks after treatment, 20 fecal samples from the colony were examined and proved negative for parasitic stages. Given that common German cockroaches (Blattella germanica) are suitable intermediate hosts of Pterygodermatites nycticebi, 30 specimens were collected from seven different locations around the golden lion tamarins housing. Third-stage larvae of Pterygodermatites spp. were recovered from those cockroaches. Regular anthelmintic treatments, coprological screenings, and controls for intermediate hosts were recommended. More than 2 years later, P. nycticebi infection was diagnosed again histopathologically in an aye-aye (Daubentonia madagascariensis) which suddenly died. Coprological analysis confirmed the presence of spirurid eggs. Due to prosimian primates' cockroach-eating habits and given that total cockroach eradication proved impossible, continuous cockroach control strategies and regular treatments of primates are currently performed to prevent further P. nycticebi infections.

中文翻译:

来自德国动物园的金狮狨 (Leontopithecus rosalia rosalia) 和 aye-ayes (Daubentonia madagascariensis) 的翼皮螟感染

在德国动物园室内饲养的金狮狨 (Leontopithecus rosalia rosalia) 群体中,两只动物突然出现全身状况下降、嗜睡和腹泻。在动物捕获进行临床检查时,在应激诱导的排便后观察到成年线虫阶段。尽管进行了治疗,但在接下来的两天里,两只金狮狨猴还是死亡了。尸检时,在肺和肠中发现了螺旋体阶段。此外,成人 Pterygodermatites spp。在肠和胰腺的组织病理学样本中发现了这些病毒,证实了先前的诊断。一经诊断,所有动物均接受伊维菌素(0.2 mg/kg;SC)治疗。此后,金狮狨的一般状况有所改善,其中一些在3天内排出螺旋线虫。治疗后四个星期,检查了来自该菌落的 20 份粪便样本,证明其寄生虫阶段为阴性。鉴于常见的德国蟑螂 (Blattella Germanica) 是 Pterygodermatites nycticebi 的合适中间宿主,我们从金狮狨猴房屋周围的七个不同位置收集了 30 个标本。Pterygodermatites spp. 的第三阶段幼虫。是从这些蟑螂身上回收的。建议定期进行驱虫治疗、粪便筛查和中间宿主控制。2 年多后,在突然死亡的 aye-aye (Daubentonia madagascariensis) 中再次通过组织病理学诊断出 P. nycticebi 感染。粪便学分析证实了螺旋藻卵的存在。由于原猿灵长类动物的蟑螂吃习惯以及完全根除蟑螂被证明是不可能的,
更新日期:2020-11-02
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