Efficacy of a yeast additive to mitigate the effects of zearalenone-contaminated feed in gilts
DOI:
https://doi.org/10.17533/udea.rccp.v30n4a05Keywords:
diet, mycotoxins, Saccharomyces cerevisiae, swine, yeast cell wallAbstract
Background: Mycotoxins are a significant cause of economic losses in swine farming and adsorbents based on yeast cell walls provide an alternative solution to reducing this challenge. Objective: To evaluate the efficacy of an antimycotoxin additive (AMA; Safmannan®) for preventing the toxic effects of zearalenone (ZEA). Methods: A total of 36 pre-pubertal gilts were used, whose diets consisted of two different levels of AMA (based on the yeast cell wall of Saccharomyces cerevisiae; 0 and 0.2%) and three inclusion levels of ZEA (0, 0.25, and 0.6 ppm). The experiment was conducted for a period of 21 d and the following parameters were measured weekly: Live weight, weight gain, feed intake, and vulvar volume. The relative weight of the liver and the entire reproductive tract, including the uterus-ovary-vagina combined were also measured. Results: There was a significant enhancement in the index characteristics of reproductive organs like vulvar volume, weight of the entire reproductive tract and weight of the uterus-ovary-vagina of the intoxicated animals. The antimycotoxin effects were the same, irrespective of the ZEA levels (0.25 and 0.6 ppm). Conclusion: The addition of AMA to diets containing ZEA proved to be an effective alternative for reducing the toxic effects of this mycotoxin.
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