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首页> 美国卫生研究院文献>Animals : an Open Access Journal from MDPI >Free Dietary Choice and Free-Range Rearing Improve the Product Quality Gait Score and Microbial Richness of Chickens
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Free Dietary Choice and Free-Range Rearing Improve the Product Quality Gait Score and Microbial Richness of Chickens

机译：自由的饮食选择和自由的饲养提高了鸡的产品质量步态得分和微生物丰富度

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Simple SummaryThe worldwide demand for productivity and quality meat, eggs, and other animal products is increasing. More and more people are expressing concerns relating to product quality and animal welfare. Our study aimed to provide scientific knowledge regarding how welfare factors contribute to quantity and quality of chicken. We used 400 Beijing You chickens to compare welfare factors by providing free dietary choice under cage rearing, and further comparing cage rearing with the free-range rearing system. Results showed that under cage rearing, free dietary choice of mealworms and fresh grass contributed to better meat quality, gait score and foot pad dermatitis than the conventional cage feeding and rearing system. This also gave rise to higher values of blood platelets and a richer gut microbial composition. As compared to caged chickens, free-range chickens developed better meat quality, gait score, and feather conditions, as well as a richer microbial composition. Our work provides a comprehensive understanding of welfare factors under both cage and free-range systems, and also broadens knowledge of health-related gut microbial composition in chickens.
机译：简单概述全球对生产力和优质肉，蛋及其他动物产品的需求正在增长。越来越多的人对产品质量和动物福利表示关注。我们的研究旨在提供有关福利因素如何影响鸡肉数量和质量的科学知识。我们使用400只北京Beijing鸡来比较福利因素，方法是在笼养下提供免费的饮食选择，并进一步将笼养与自由放养系统进行比较。结果表明，在笼养下，与常规笼养和饲养系统相比，自由选择粉虫和鲜草的饮食有助于改善肉质，步态得分和足垫皮炎。这也产生了更高的血小板价值和更丰富的肠道微生物组成。与笼养鸡相比，散养鸡的肉质，步态得分和羽毛状况更好，微生物组成也更丰富。我们的工作全面了解笼养系统和自由放养系统下的福利因素，并拓宽了与健康有关的鸡肠道微生物组成的知识。

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