Gastrointestinal parasites of captive European bison Bison bonasus (L.) with a sign of reduced efficacy of Haemonchus contortus to fenbendazole

Parasitology Research
Anna M PyzielJohan Höglund

Abstract

The history of European bison Bison bonasus Linnaeus, 1758 has been stormy since its extinction in the wild after the First World War. Due to the fact that the species was restored from just 12 founders, further expansion has suffered from low genetic variability, rendering the bison vulnerable to various pathogens due to inbreeding depression. Parasites are recognised as a key biological threat to bison population. Thus, parasitological examination including monitoring of the level of anthelmintic resistance in a herd should be a routine procedure involved in management and protection of European bison. This study was conducted in a group of 27 bison kept in a European bison breeding centre in Sweden. In April 2015, a faecal egg count reduction test (FECRT) was performed in animals with ≥ 100 gastrointestinal nematode (GIN) eggs per gram faeces, to determine effectiveness of fenbendazole (FBZ) treatment. Additionally, the third stage larvae were cultured for molecular examination by a conventional PCR as well as by real-time quantitative PCR (q-PCR) for detection of the blood-sucking nematode Haemonchus contortus. Faecal sampling was conducted 1 day before and 8 days after deworming each animal. Anthelmintic treatment turned t...Continue Reading

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Methods Mentioned

BETA
PCR
dissection

Software Mentioned

STATISTICA
R
BLAST
CLC Main Workbench ( Bio
eggCounts

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Anthelmintics

Anthelmintics or antihelminthics are a group of antiparasitic drugs that expel parasitic worms (helminths) and other internal parasites from the body by either stunning or killing them and without causing significant damage to the host. Discover the latest research on anthelmintics here.

Anthelmintics (ASM)

Anthelmintics or antihelminthics are a group of antiparasitic drugs that expel parasitic worms (helminths) and other internal parasites from the body by either stunning or killing them and without causing significant damage to the host. Discover the latest research on anthelmintics here.