Anthelmintic resistance of gastrointestinal nematodes in goats: A systematic review and meta-analysis
Abstract
OBJECTIVE: To review anthelmintic resistance globally in goats including the effect of location, mode of application and dosage on anthelmintic efficacy (assessed using Faecal Egg Count Reduction). Specifically, resistance of the three major classes of anthelmintics - Benzimidazole and Probenzimidazole (BP); Anti-cholinergics (AC); and Macrocyclic Lactone (ML) was investigated.
DESIGN/PROCEDURE: A PRISMA Framework was followed in order to conduct a thorough assessment of the literature on anthelmintic resistance in goats. A single factor ANOVA test was conducted in Microsoft Excel (2009) to test for the significance of the effect of location, mode of application and dosage on resistance. Three meta-analyses were also conducted in Microsoft Excel (2009) to quantify global resistance levels of the three major anthelmintic classes.
RESULTS: Of the 461 publications screened, 105 studies were included in the systematic review and 101 studies were included in the meta-analyses. Anthelmintic class as well as anthelmintic active principle selection in the BP and ML classes did have a significant effect on resistance (p < 0.05). Combination treatment groups had a lower amount of resistance than groups where anthelmintic classes were used alone. Mode of application of the treatment had a significant effect on resistance (p < 0.05), whilst the correlation of dosage with efficacy was low (r < 0.1). The effect of location (by continent) also had a significant influence on resistance for…
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Evidence Hub reads this as a meta-analysis, done in animal, not in people. Its evidence level is 5 of 5 (Very low · case / narrative / animal / in vitro / in silico). Case reports, narrative reviews, and animal, cell or computer-model studies give the weakest evidence for human health.
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