Compatibility of the microbial product BioPlus 2B (Bacillus licheniformis and Bacillus subtilis) with lasalocid sodium
2008
(FEEDAP), EFSA Panel on Additives and Products or Substances used in Animal Feed
Following a request from the European Commission, the European Food Safety Authority (EFSA) was asked to deliver a scientific opinion on the compatibility of the microbial product BioPlus 2B (Bacillus licheniformis and Bacillus subtilis) with lasalocid sodium. A 42-day trial on 300 one-day-old male turkeys was performed. For the trial, the birds were divided into control and treatment groups of 150 animals each. Both groups received a standard of 1.3 x 109 CFU kg-1 as confirmed by microbiological analysis. The test group received also lasalocid sodium at the maximum recommended level (125 mg active substance kg-1 feed). During the trial the birds were followed for zootechnical parameters and for morbidity and mortality. At the end of the trial, the caecal Bacillus counts were recorded from 15 birds per treatment group. No differences in the mortality or morbidity between the groups were observed during the trial. The results indicate a significant improvement in average weight gain and the feed conversion ratio of the birds in the lasalocid sodium group. Therefore, no signs of incompatibility of both strains composing BioPlus 2B with lasalocid sodium at the authorised level have been observed, which allows concluding to the compatibility of both products. This conclusion could be applied to either strain used individually.
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ISSN 1831-4732Este registro bibliográfico ha sido proporcionado por Friedrich-Loeffler-Institut
