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飼糧添加迷迭香複方香草粉末對畜試土雞雜交鬥雞屠肉理化性狀之影響
Effect of adding rosemary complex powder in the feed on physical and chemical properties of hybrid TLRI native chicken and fighting cock meat
摘要
本研究旨在探討飼糧添加迷迭香複方香草粉末對畜試雜交鬥雞屠肉理化性狀之影響。試驗採用畜產試驗所東區分所花蓮場區自行孵化的畜試雜交土雞鬥雞母雛雞（1日齡）共180隻，逢機分為3個處理組，每處理組4重複，每重複15隻，其分別為基礎飼糧（對照組）、基礎飼糧額外添加0.2%迷迭香複方香草粉末及基礎飼糧額外添加0.4%迷迭香複方香草粉末。試驗雞飼養至19週結束，各組逢機選取8隻（公母各半）土雞進行屠體性狀及肉質分析。試驗結果顯示，土雞飼糧中添加迷迭香複方香草粉末可顯著降低雞胸肉中之脂肪、總熱量及膽固醇含量，並提升水分含量（P < 0.05）。0.2%與0.4%迷迭香複合香草粉處理組之胸肉ω-6/ω-3脂肪酸比值顯著低於對照組（P < 0.05）。而在雞肉冷凍保存品質試驗方面，0.4%迷迭香複合香草粉末處理組胸肉有顯著較佳的酸價保存品質（P < 0.05）。綜上所述，顯示飼糧中添加迷迭香複方香草土雞，可降低雞肉之脂肪、膽固醇及總熱量含量，以供業界配製家禽飼糧之參考。
並列摘要
The purpose of this experiment was to investigate the effects of adding rosemary compound in the feed on physical and chemical properties of hybrid Taiwan native chicken and fighting cock meat. A total of 180 one-day-old chicks were bred by the Hualein District TLRI-ERB in the experiment. The chicks were allocated into three groups, with 4 repetitions. The control group was fed with the basal diet, while the other two groups were fed with 0.2% and 0.4% of rosemary compound, respectively, in addition to the basal diet. The experimental chickens were raised to 19 weeks, and 8 native chickens (half male and half female) of each group were selected for carcass traits and meat quality analysis. The test results showed that adding rosemary compound vanilla powder to the diet of native chickens could reduce the fat, total calories and cholesterol content in chicken breast meat, and increase the moisture content. There were significant differences between the experimental treatment groups and the control group (P < 0.05). The ratios of ω-6 fatty acids/ω-3 fatty acids of meats in the 0.2% and the 0.4% rosemary compound group (P <0.05) were significantly lower than that of control group. In terms of the shelf life of frozen chicken, the meat of experiment of groups had a significantly longer shelf life than the control group (P <0.05). In summary, it was shown that the chicken produced by adding rosemary compound to the diet can reduce the fat, cholesterol and total calories of chicken meat, which can be used as a reference for the industry.