The objective of the present study was to evaluate the viability of a mycotoxin adsorbent based on beta-glucans from cell walls of Saccharomyces cerevisiae and bentonites in the diets of confined lambs of the Texel breed. Twenty-four lambs (12 males and 12 females) with an average weight of 18.6 kg ± 1.6 were divided into two groups: treated (with adsorbent) and control. The animal diets contained the mycotoxins aflatoxin B1, fumonisin B1 and B2, zearalenone, and deoxynivalenol in concentrations within guidance levels. The animals were slaughtered with body weight of approximately 26.4 kg. The performance and carcass variables of the lambs were evaluated. The daily weight gain was higher in the treated group (216.24 g) than in the control group (185.90 g). The averages for loin eye area, subcutaneous fat thickness, and marbling were 13.93 cm2, 2.66 mm, and 3.20 in the treated group and 12.16 cm2, 2.6 mm, and 3.25 in the control group, respectively. The true, hot, and cold carcass yield, and the carcass cooling losses did not differ between groups. The carcasses were similar in conformation and fat finishing degree, with averages of 3.95 and 3.83, respectively. To the best of our knowledge, this is the first study to evaluate the effect of a mycotoxin additive in the diet of finishing lambs. The use of mycotoxin adsorbent in confined lambs was feasible, and its use resulted in greater daily weight gain in lambs and average net profit.
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This study received financial support from the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) (Finance code 001).
The experiment was conducted according to the ethical principles of animal experimentation, and the experimental protocols were reviewed and approved by the ethics committee for the use of animals of UNOPAR University (CEUA 016/16).
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de Almeida Rego, F.C., Savio, P.L.O., Pertile, S.F.N. et al. Viability of the use of mycotoxin adsorbent in the finishing of Texel lambs in confinement. Trop Anim Health Prod 53, 170 (2021). https://doi.org/10.1007/s11250-021-02619-0
- Agricultural by-products
- Production costs
- Weight gain