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首页> 美国卫生研究院文献>Poultry Science >The kinetics of growth feed intake and feed efficiency reveal a good capacity of adaptation of slow and rapid growing broilers to alternative diets
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The kinetics of growth feed intake and feed efficiency reveal a good capacity of adaptation of slow and rapid growing broilers to alternative diets

机译：生长饲料摄入和饲料效率的动力学揭示了对慢速和快速生长的肉鸡适应替代饮食的良好能力

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摘要

Poultry production currently relies on the use of soybean as the main protein and energy source. Reducing its proportion in poultry diets and partly replacing it with local feedstuffs would improve sustainability by reducing dependence on importations and the environmental impact of production. In this study, we evaluated the impact of replacing soybean by sunflower meal, fava bean, canola meal, and dried distillers grains with solubles on the performance of rapid and slow growing chickens. Animals were reared in groups and on the floor. Individual BW and feed intake data were collected throughout each animal's life, thanks to an electronic feed station. At 5 wk (for broilers) and 12 wk (for slow growing chickens), the birds were slaughtered to obtain carcass composition and meat quality data. Adaptation to the alternative diet was studied separately for each genotype. Firstly, we performed ANOVA with diet effect on daily data of individual BW, feed intake, and feed conversion ratio. Secondly, the variability of performances within the group was studied by ANOVA with effects of diet, period, and their interaction. Finally, correlations between daily performances and final performances at slaughter were calculated to understand the construction of final phenotypes and to identify early indicators of final performances.
机译：家禽生产目前依赖于大豆作为主要蛋白质和能源。通过减少对进一步的依赖和生产环境影响，降低禽类饮食中的比例并将部分替换为局部饲料。在这项研究中，我们评估了向日葵粉，Fava Bean，CatoLa膳食和干蒸馏器谷物取代大豆的影响，以解决快速和缓慢生长鸡的性能。动物被成群和地板饲养。由于电子饲料站，在每个动物的生命中收集单个BW和饲料进料数据。在5周（对于肉鸡）和12周（用于缓慢生长的鸡），屠宰鸟类以获得胴体组成和肉质数据。对每个基因型分别研究适应替代饮食。首先，我们对单独BW，进料摄入和饲料转换比的日常数据进行了饮食影响的ANOVA。其次，通过ANOVA研究了本组内的性能的可变性，其具有饮食，期间的效果及其相互作用。最后，计算屠宰时的日常表演与最终表演的相关性，以了解最终表型的构建，并确定最终表演的早期指标。

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