Effect of Dietary Mannan Oligosaccharide from Saccharomyces Cerevisiae on Live Performance of Broilers Under Clostridium Perfringens Challenge

摘要

A 30-day broiler cage trial was conducted to evaluate the effect of dietary mannan oligosaccharide (MOS) from one commercial product (SAF-Mannan) on growth parameters, gut health and control pathogen colonization of broilers under Clostridium perfringens (C. perfringens) challenge. One hundred, 0-day-old male Ross 308 broilers were allocated in 4 experimental treatments for 30 days. The four dietary treatments were T1, standard broiler basal diets without any medication as a control (+CONT); T2, basal diets as in T1 plus C. perfringens challenge (-CONT); T3, enramycin 0.1 g/kg of feed plus C. perfringens challenge (ENRA); T4, SAF-Mannan at 0.5 g/kg in starter and finisher diets plus C. perfringens challenge (SAF). Overall, feed conversion ratio (FCR) and body weight gain (BWG) in treatments ENRA and SAF were significantly better (PC. perfringens count as compared to all other treatments (PC. perfringens count appear in parallel to observed improvement in the cumulative FCR. The results from this study clearly indicated that SAF-Mannan could act as a replacement for antimicrobial growth promoters in broilers (AGPs). SAF-Mannan level of 0.05% was enough to achieve a response competitive with that of the antibiotic.