Evaluation of the effect of prebiotics (MOS), probiotics (Bacillus licheniformis and Bacillus sibtillis) and growth promoter in broiler diets)
DOI:
https://doi.org/10.5380/avs.v10i2.4412Keywords:
Frangos de corte, promotores de crescimento, probióticos, prebióticos, Broiler diets, alternative growth promoters, probiotics, prebioticsAbstract
A study with 2,400 broilers was carried out to compare the effect of probiotics, (Bacillus licheniformis and Bacillus subtilis) probiotics plus mananoligosaccharides (MOS), or growth promoter (Avilamycin) and a control diet without aditives. Diets were based on corn and soybean meal. A completely randomized experimental design was used, and the data were evaluated by analysis of variance and test of Tukey at a level of 5%. The following parameters were measured: feed intake, daily weight gain, feed conversion ratio, and mortality. It was concluded that the effect of the inclusion of probiotics and MOS in the starter diets was significantly higher for the weight gain than the other groups. The feed ratio was significantly higher at the first week as compared to the inclusion of MOS, or to the growth promoter and the control diet. In the full period the effect of the inclusion of probiotics , MOS and growth promoter was significantly higher for the weight gain than the control diet.
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