Control of sheep gastrointestinal nematodes on pasture in the tropical semiarid region of Brazil, using Bioverm® (Duddingtonia flagrans)

We aimed to evaluate a Brazilian commercial formulation of the fungus Duddingtonia flagrans (Bioverm®) for controlling gastrointestinal nematodes in sheep kept on native pasture in the Caatinga biome, in the semiarid region of Brazil. Twenty ewes, aged between 12 and 18 months, were divided into two...

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Bibliographic Details
Published in:Tropical animal health and production 2022-06, Vol.54 (3), p.179-179, Article 179
Main Authors: Rodrigues, Jossiara Abrante, Roque, Francisco Leonardo, Lima, Brendo Andrade, Silva Filho, Geraldo Moreira, Oliveira, Clarisse Silva Menezes, Sousa, Luana Carneiro, Silva, Ana Luzia Peixoto, Lima, Estefany Ferreira, Feitosa, Thais Ferreira, Braga, Fábio Ribeiro, Araújo, Jackson Victor, Vilela, Vinícius Longo Ribeiro
Format: Article
Language:English
Subjects:
Animals
Ascomycota
Biological control
Biomedical and Life Sciences
Brazil - epidemiology
Cell size
Feces
Female
Intestinal parasites
Larva
Larvae
Life Sciences
Nematoda
Nematodes
Ovum
Parasite Egg Count - veterinary
Pasture
Pest Control, Biological
Regular Articles
Semi arid areas
Semiarid lands
Sheep
Sheep Diseases - epidemiology
Sheep Diseases - prevention & control
Veterinary Medicine/Veterinary Science
Weight
Zoology
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Summary:We aimed to evaluate a Brazilian commercial formulation of the fungus Duddingtonia flagrans (Bioverm®) for controlling gastrointestinal nematodes in sheep kept on native pasture in the Caatinga biome, in the semiarid region of Brazil. Twenty ewes, aged between 12 and 18 months, were divided into two groups. In the treated group, each animal received 1 g of the Bioverm® product for each 10 kg of live weight, daily, together with commercial feed, for 6 months. In the control group, the animals received feed without Bioverm®. Each group remained throughout the experiment in a 1.2-ha paddock. Monthly counts of eggs per gram (EPG) of feces, fecal cultures, packed cell volume (PCV), weight measurements, and collection of leaf mass from the pasture were performed. There was greater reduction in EPG, greater weight gain, and less infestation by infective larvae in the paddock of the Bioverm® group, compared with the control group ( p  
ISSN:0049-4747
1573-7438
DOI:10.1007/s11250-022-03181-z