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作 者:阳巧梅 谭冠雄 马纯英 谭德展[1] YANG Qiao-mei;TAN Guan-xiong;MA Chun-ying;TAN De-zhan
机构地区:[1]邵阳职业技术学院,湖南邵阳422000 [2]攸县畜牧水产局,湖南株洲412300 [3]湖南盛世丰花生物科技有限公司,湖南邵阳422000
出 处:《饲料研究》2023年第21期32-35,共4页Feed Research
基 金:邵阳职业技术学院横向科研课题(项目编号:HX20230705)。
摘 要:研究旨在分析不同水平的金银花提取物对铜鹅生长性能、养分代谢率、屠宰性能、血清生化指标及肉品质的影响。试验选择健康的体重(2.04±0.12)kg的雄性铜鹅200只,随机分为4组,每组5个重复,每个重复10只鹅。各组分别在基础饲粮中添加0、200、300、400 mg/kg金银花提取物。预试期6 d,正式试验期35 d。结果显示,3组、4组铜鹅平均日增重显著高于1组(P<0.05),料重比显著低于1组(P<0.05)。3组、4组铜鹅对粗蛋白质、粗脂肪、粗纤维的代谢率显著高于1组(P<0.05)。3组、4组铜鹅血清总蛋白(TP)、球蛋白(GLB)含量显著高于1组(P<0.05),谷草转氨酶(AST)、谷丙转氨酶(ALT)活性显著低于1组(P<0.05)。3组、4组铜鹅腿肌率、胸肌率显著高于1组(P<0.05),腹脂率显著低于1组(P<0.05)。3组、4组铜鹅的肌间脂肪含量显著低于1组(P<0.05)。研究表明,金银花提取物添加可有效提高铜鹅生长性能、养分代谢率,改善血清生化指标,提高屠宰性能和肉品质,添加量以300 mg/kg为宜。The aim of the study was to analyze the effect of different levels of honeysuckle extract on growth performance,nutrient metabolic rate,slaughter performance,serum biochemical indexes and meat quality of Tong geese.A total of 200 healthy male Tong geese with body weight of(2.04±0.12)kg were randomly divided into four groups with five replicates per group and 10 geese per replicate.The groups were supplemented with 0,200,300 and 400 mg/kg honeysuckle extract in the basal diets,respectively.The pre-test lasted for 6 d and the formal test lasted for 35 d.The results showed that the average daily gain of Tong geese in group 3 and group 4 was significantly higher than that in group 1(P<0.05),and the feed to gain ratio was significantly lower than that in group 1(P<0.05).The metabolic rates of crude protein,crude fat and crude fiber of Tong geese in groups 3 and 4 were significantly higher than those in group 1(P<0.05).The content of TP and GLB in serum of Tong geese in group 3 and group 4 were significantly higher than those in group 1(P<0.05),and the activity of AST and ALT in group 3 and group 4 were significantly lower than those in group 1(P<0.05).The leg muscle percentage and chest muscle percentage of Tong geese in groups 3 and group 4 were significantly higher than those in group 1(P<0.05),and the abdominal fat percentage was significantly lower than that in group 1(P<0.05).The intermuscular fat content of Tong geese in group 3 and group 4 was significantly lower than that in group 1(P<0.05).The study indicates that the addition of honeysuckle extract can effectively improve the growth performance,nutrient metabolic rate,blood biochemical indexes,slaughter performance and meat quality of Tong geese,and the appropriate dosage is 300 mg/kg.
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