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Abanico veterinario
On-line version ISSN 2448-6132Print version ISSN 2007-428X
Abstract
GARCIA-MUNGUIA, Carlos et al. Plant extracts evaluation for the control of Oesophagostomum dentatum in hairless Mexican pigs. Abanico vet [online]. 2021, vol.11, e103. Epub May 21, 2021. ISSN 2448-6132. https://doi.org/10.21929/abavet2021.3.
In Mexico, the Oesophagostomum dentatum is considered one of the main gastrointestinal endoparasites affecting the most important breed in rural pig farming, the hairless pig [Cerdo Pelon Mexicano (CPM)]. In this research, it was evaluated the in vitro biological efficacy of vegetable extracts of ginger, mint, thyme and oregano, with the aim of finding new natural alternatives for the control of Oesophagostomum dentatum; being compared its efficiency with ivermectin (IVM) and dimethylsulfoxide (DMSO). During the investigation, 380 samples of excrements (extracted directly from the anus) of CPM were collected, with an average weight (±SD) 40±5 kg per animal. These samples were analyzed by means of McMaster technique, achieving to identify Oesophagostomum dentatum eggs. The evaluation of the treatments' effectiveness was carried out in cell culture microplates incubated for 48 h at 25±1 ºC using different doses of the vegetable extracts and comparing their control effectiveness with IVM and DMSO. Obtaining that the biological effectiveness of the ginger extract (3%) is similar to that of the IVM (1%), achieving the elimination and immobilization of the Oesophagostomum dentatum larva in 62%. While the extracts of oregano, thyme and mint presented a percentage of biological effectiveness of less than 20%.
Keywords : parasites; gastrointestinal; nematodes; Sus scrofas domesticus; ginger.