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초록·키워드 목차

A total of 528 broilers (47±0.1 g; 1 day of age) were used in a 35-day feeding trial to evaluate probiotics, prebiotics and their interactive effects on growth performance, blood characteristics, relative organ weight and meat quality. Broilers were randomly distributed into 1 of 6 treatments on the basis of body weight (BW) (4 replicate pens per treatment, 22 broilers per pen). The dietary treatments were CON, basal diet; B, CON + 0.1 g kg-1 Bacillus subtilis; K, CON + 1 g kg-1 Kefir; G, CON + 1 g kg-1 β-glucan; GB, G + 1 g kg-1 Bacillus subtilis; and GK, G + 1 g kg-1 Kefir. The overall effects indicated that broilers fed the K, G and GK diets had greater body weight gain (BWG) than those fed the CON diet (P<0.05). The number of white blood cells increased (P<0.05) in the GB group compared with the CON, B and G treatments; however, the lymphocyte percentage in the B group was higher than in the G group. The weight of bursa fabricii was lower in the B and G groups compared to the K group (P<0.05), whereas a higher spleen weight was observed in chickens that were fed the GB and GK diets compared to the B group (P<0.05). The treatments did not affect the meat quality parameters, except for meat redness, which improved with all of the supplementation groups (P<0.05). The population of Lactobacillus spp. in gizzard was significantly higher in the K treatment compared with CON, B, G and GB. In conclusion, supplementation with kefir and β-glucans improved growth performance. #broiler #Bacillus subtilis #β-glucan #kefir #growth performance #meat quality

ABSTRACT
INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
CONCLUSION
REFERENCES

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