[논문]Effect of Probiotic Inclusion in the Diet of Broiler Chickens on Performance, Feed Efficiency and Carcass Quality

Khaksefidi, A.; Rahimi, Sh.

doi:10.5713/ajas.2005.1153

Effect of Probiotic Inclusion in the Diet of Broiler Chickens on Performance, Feed Efficiency and Carcass Quality 원문보기

Asian-Australasian journal of animal sciences, v.18 no.8, 2005년, pp.1153 - 1156

Khaksefidi, A. (Department of Animal Science, Faculty of Gonbad Agriculture, Gorgan University of Agricultural Sciences and Natural Resources) , Rahimi, Sh. (Department of Poultry Science. College of Agriculture, Tarbiat Modarres University)

Abstract ▼ AI-Helper

An experiment was conducted with three hundred and twenty broiler chickens to evaluate the influence of supplementation of probiotic on growth, microbiological status and carcass quality of chickens. The probiotic contained similar proportions of six strains of variable organisms namely Lactobacillus acidophilus, Lactobacillus casei, Bifidobacterium bifidum, Aspergillus oryzae, Streptococcus faecium and Torulopsis sps and was fed at 100 mg/kg diet. The body weight and feed conversion of probiotic fed groups were superior (p<0.05) compared to the control group in the 4th, 5th and 6th weeks. The chickens fed the diet with probiotic had lower (p<0.05) numbers of coliforms and Campylobacter than chickens fed the control diet. All chickens' carcasses on the control diet were positive for Salmonella while only 16 of the 40 carcasses were positive from chickens fed diets containing probiotic. The leg and breast meat of probiotic fed chickens were higher (p<0.05) in moisture, protein and ash, and lower in fat as compared to the leg and breast meat of control chickens.

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대상 데이터

Three hundred and twenty day old commercial broiler chickens (Ross), were weighed and distributed randomly into two groups of 160 chickens. Subsequently, the chickens in each group were distributed to 20 replicates of eight chickens and raised on wood shavings litter.

데이터처리

The data were evaluated by using Student's test to compare results for control and experimental groups. probability was based on p<0.
The data were evaluated by using Student, s test to compare results for control and experimental groups.

성능/효과

The mean values for carcass and proximate composition (Moisture %, Protein % and Ash %) of leg and breast meat (Table 3) increased (p<0.05) in probiotic fed chickens, whereas, the fat % of leg and breast meat was lower (p<0.05) in probiotic fed chickens. This indicates a better retention of minerals especially calcium, phosphorus, nitrogen and improved protein efficiency ratio (Nahashon et al.
The results obtained of chickens performance (Table 2) showed that the live weight of the group receiving probiotic on the 4^th, 5^th and 6^th weeks (respectively; 878 g, 1,300 g and 1,700 g), was higher (p<0.05) than control. No differences were observed in feed intake between groups.
The results obtained of chickens performance (Table 2) showed that the live weight of the group receiving probiotic on the 4^th, 5^th and 6^th weeks (respectively; 878 g, 1,300 g and 1,700 g), was higher (p<0.05) than control. No differences were observed in feed intake between groups.

참고문헌 (16)

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Food and Drug Administration. 1992. Bacteriological Analytical Manual. 7th Ed. Food and Drug Admin. And Assn. Offic. Anal. Chem., Arlington, VA.
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원문 URL 링크

DOI : 10.5713/ajas.2005.1153 [무료]
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