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논문 기본 정보

자료유형
학술저널
저자정보
박시형 (대구대학교) 서세인 (대구대학교) 백상태 (SOLTECH) 서병부 (대구대학교)
저널정보
경상대학교 농업생명과학연구원(구 경상대학교 시설원예연구소) 농업생명과학연구 농업생명과학연구 제57권 제3호
발행연도
2023.6
수록면
115 - 121 (7page)

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초록· 키워드

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This study was conducted to examine the effect of a diet supplemented with dried Bacillus subtilis culture on broilers' productivityand blood characteristics. Broiler feeding experiments were conducted twice. The diet fed to the control group was supplemented with0.2% Palm MateⓇ commercially available probiotics (B. subtilis), and the diet fed to the experimental group was supplemented withThekerⓇ 0.05% dried B. subtilis culture (DBC) in experiment 1, and 0.1% DBC in experiment 2. Treatment was administered for fourweeks in both groups. A higher average daily gain was observed in the group treated with 0.05% DBC in experiment 1 comparedwith the control group, which was significantly higher in the group that received 0.1% DBC in experiment 2 compared with the controlgroup. A higher production index was observed in the groups that received treatment than in the control group and was higher in the0.1% DBC group than in the 0.05% DBC group. Significantly lower serum triglyceride (TG) was observed with increased DBC content. Although the findings showed no statistical significance, lower total cholesterol (T-C) was observed in the treated group than in thecontrol group. HDL-cholesterol (HDL-C) content showed a significant increase in the DBC-treated groups. A significantly opposite outcomewas observed for LDL-cholesterol (LDL-C) content. These findings demonstrated that the atherogenic index (AI) and cardiac risk factor(CRF) decreased in the DBC-treated groups. Significantly lower serum levels of glutamic-oxaloacetic transaminase (GOT: aspartateaminotransferase, AST) and glutamate pyruvic transaminase (GPT: alanine transaminase, ALT) were detected with an increase in DBCcontent in the treated groups compared with the control groups. To summarize the findings described above, adding ThekerⓇ dried B. subtilis culture to broiler feeds positively improved productivity through weight gain of broilers and the production of healthier functionalbroilers through the improvement of blood lipids and liver function. It is expected that the findings of this study will be helpful inthe effort to increase the profitability of broiler chicken farming and promote human health.

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