Efficacy of Duddingtonia flagrans (Bioverm®) on the biological control of buffalo gastrointestinal nematodes

We evaluated the efficacy of Bioverm®, a commercial product containing Duddingtonia flagrans, on the control of buffalo (Bubalus bubalis) gastrointestinal nematodes. We randomly divided 12 buffaloes into two groups of six animals. In the treated group, each animal received a Bioverm®ˋs single dose o...

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Bibliographic Details
Published in:Experimental parasitology 2023-10, Vol.253, p.108592, Article 108592
Main Authors: Mendes, Luanderson Queiroz, Ferraz, Carolina Magri, Ribeiro, Natalia Reinó Castro, Ulfeldt, Kim Borja, Ribeiro, João Carlos Corrêa, Merizio, Mayara Faneli, Rossi, Gabriel Augusto Marques, Aguiar, Antônia Aniellen Raianne Moisés, Araújo, Jackson Victor de, Soares, Filippe Elias de Freitas, Vilela, Vinícius Longo Ribeiro, Braga, Fabio Ribeiro
Format: Article
Language:English
Subjects:
Helminthiasis
Larval predation
Nematophagous fungi
Water buffaloes
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Summary:We evaluated the efficacy of Bioverm®, a commercial product containing Duddingtonia flagrans, on the control of buffalo (Bubalus bubalis) gastrointestinal nematodes. We randomly divided 12 buffaloes into two groups of six animals. In the treated group, each animal received a Bioverm®ˋs single dose of 1g (105 chlamydospores of D. flagrans) to 10 kg of live weight; in the control group, each animal received 1g of corn bran for each 10 kg of live weight as a placebo. Fecal samples were individually collected from 12, 24, 36, 48, 60 and 72 h after treatments. To examine 1) viability of chlamydospores passed through the gastrointestinal tract, 2 g of faeces and 1000 infective larvae (L3) were added to Petri dishes with 2% water-agar, and 2) to examine larval predation by D. flagrans during fecal cultures, 2000 L3 were added. In the Petri dishes, were observed significant reductions (p 
ISSN:0014-4894
1090-2449
1090-2449
DOI:10.1016/j.exppara.2023.108592