Seguimiento anual de la parasitosis gastrointestinal de venados cola blanca &lt;i&gt;Odocoileus virginianus&lt;/i&gt; (Artiodactyla: Cervidae) en cautiverio en Yucatán, México

Information concerning factors regulating Alpine mountain hare ( Lepus timidus varronis ) populations such as host-parasite interactions is missing as only a few parasitological surveys exist of this subspecies. Parasites are not only dependent on their host but also on suitable environmental conditions for infestation. Abiotic environmental factors have an important regulating role on parasites in mammals. It is estimated that the elevation range of parasites is likely to shift in response to alternate host movement and changes in climate. Here we assess the parasitic infestation in the Alpine mountain hare by analysing the parasites in faeces and comparing the parasite infestation at different elevation ranges and at varied weather conditions for two years in the Austrian Alps. Almost half of the faecal samples were free of parasites (46.2%, n = 52). Most frequent was the infection by Coccidia (46.2%), whereas stomach intestine strongylids, Trichuris spp, and Cestoda were only found in 9.6% of all faeces. Hence, only Coccidia may be prevalent enough to regulate Alpine mountain hare populations in the Austrian Alps. Elevation had a significant positive effect on the infection of animals by Trichuris spp, whereas temperature had a significant negative effect on the infection by any parasite traceable in faeces and, when looking at the parasite groups individually, on Coccidia.

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Gastrointestinal parasite infestation in the alpine mountain hare (Lepus timidus varronis): Are abiotic environmental factors such as elevation, temperature and precipitation affecting prevalence of parasite species?

Schai-Braun

Posautz

Alves

et al. 2019

International Journal for Parasitology: Parasites and Wildlife

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Parásitos gastrointestinales y ectoparásitos de ungulados silvestres en condiciones de vida libre y cautiverio en el trópico mexicano

Mukul-Yerves

Zapata-Escobedo

Montes-Pérez

et al. 2015

RMCP

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Gastrointestinal parasites and ectoparasites were identified in white-tailed deer (Odocoileus virginianus), collared peccary (Pecari tajacu) and brocket deer (Mazama americana) in free-living conditions and captivity in the Mexican tropics. Twelve free-living ungulates were hunted (four white-tailed deer, three brocket deer and five collared peccaries) to obtain samples of faeces and ectoparasites. Fifty-five captive ungulates (14 white-tail deer, 16 brocket deer and 35 collared peccaries) were sampled to obtain faeces and ectoparasites. To identify the genera and order of parasites, faecal samples were analyzed by Flotation and McMaster techniques. Egg and oocyst per gram of faeces were also calculated. Ectoparasites collected from ungulates were classified to genera and species level using specific identification keys. Positive samples of nematode of the order strongylida and protozoos of the order Eucoccidiorida were cultivated and classified. In white-tailed and brocket deer the following genera of parasites were identified: Strongyloides, Trichuris, Capillaria, Mammomonogamus and Eimeria. In collared peccaries the genera Oesophagostomun, Eimeria and Isospora were identified. The flea Pulex irritans and the louse Gliricola porcelli infested brocket deer and collared peccary, while the fly Lipoptena sp was collected from white-tailed deer. The tick Amblyomma cajennese was found parasitizing the three ungulate species studied. It is concluded that wild ungulates are parasitized with gastrointestinal nematodes, protozoa of the order Eucoccidiorida, fleas, lice, flies and ticks.

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Parásitos gastrointestinales en ungulados silvestres del Norte de Veracruz

Zapata

Salas

Ojeda

et al. 2023

Rev. Bio. Agr. Tux.

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Las infecciones parasitarias representan un problema emergente en ungulados silvestres, sin embargo, existen pocos estudios sobre las infecciones parasitarias en estos animales. Se realizo un estudio para conocer los géneros de parásitos gastrointestinales que infectan a ungulados silvestres de febrero a septiembre de 2021 en una Unidad de Manejo para la Conservación de la Vida Silvestre ubicada en la laguna de Tamiahua en la zona Norte de Veracruz, México. Se obtuvieron muestras fecales de nueve especies de ungulados de vida libre. Las muestras de excremento se analizaron mediante las pruebas de Flotación Centrifugada para conocer los géneros de parásitos que afectan a los ungulados. En el presente estudio se identificaron los géneros Giardia, Strongyloides y Eimeria. Se encontró que el 32% de ungulados silvestres estaban infectados con una o varios géneros de parásitos. Se concluye que los ungulados silvestres evaluados estaban parasitados con nematodos gastrointestinales y/o protozoos del orden Eucoccidiaria y del orden Diplomonadida.

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Seguimiento anual de la parasitosis gastrointestinal de venados cola blanca <i>Odocoileus virginianus</i> (Artiodactyla: Cervidae) en cautiverio en Yucatán, México

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Gastrointestinal parasite infestation in the alpine mountain hare (Lepus timidus varronis): Are abiotic environmental factors such as elevation, temperature and precipitation affecting prevalence of parasite species?

Gastrointestinal parasite infestation in the alpine mountain hare (Lepus timidus varronis): Are abiotic environmental factors such as elevation, temperature and precipitation affecting prevalence of parasite species?

Parásitos gastrointestinales y ectoparásitos de ungulados silvestres en condiciones de vida libre y cautiverio en el trópico mexicano

Parásitos gastrointestinales en ungulados silvestres del Norte de Veracruz

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