Abstract

REYES-GUERRERO, David Emanuel; OLMEDO-JUAREZ, Agustín  and  MENDOZA-DE GIVES, Pedro. Control and prevention of nematodiasis in small ruminants: background, challenges and outlook in Mexico. Rev. mex. de cienc. pecuarias [online]. 2021, vol.12, suppl.3, pp.186-204.  Epub Jan 24, 2022. ISSN 2448-6698.  https://doi.org/10.22319/rmcp.v12s3.5840.

Nematode parasites are an ongoing challenge in livestock production. Pharmaceutical anthelmintics are effective but pose their own risks. This is an overview of nematodiasis in small ruminants in Mexico focusing on the main problems faced by producers to maintain productivity. It includes general information on gastrointestinal nematodes and their effects on animal health and productivity. It also summarizes the main challenges faced by livestock producers in combating these parasites and current control and prevention strategies, including pharmaceuticals, anthelmintic resistance, grazing management, selective deworming, protein nutritional strategy, vaccination, and selection of animals genetically resistant to nematodes. The potential use of plants and compounds with nematocidal activity, and nematophagous fungi as biological control agents are also covered. Research by the Helminthology Department of the CENID-SAI of the INIFAP is highlighted, and a comprehensive nematode control method is proposed that targets different control strategies at specific nematode developmental stages. Controlling nematodiasis in small ruminants is vital to the success of production systems since it negatively affects animal health and producer results. Continued development of new nematode control options holds promise for successful long-term management of this disease.

Keywords : Nematodiasis; Parasites; Sheep; Goats; Control; Prevention.

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