Verify the effectiveness of various inclusions of butyrate on male broilers raised on used litter without antibiotics

IF 1.6 3区农林科学 Q2 AGRICULTURE, DAIRY & ANIMAL SCIENCE

Journal of Applied Poultry Research Pub Date : 2024-08-23 DOI:10.1016/j.japr.2024.100466

C.J. Fritzlen, J.J. Maurer, E.A. Wong, M.E. Persia

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引用次数: 0

Abstract

An experiment was conducted to verify the effectiveness of butyrate (BA) in diets of broiler chickens raised without antibiotics and exposed to used litter. Dietary treatments included: negative control (NC), a nonsupplemented diet on fresh shavings; positive control (PC), the same nonsupplemented diet on used litter; 500 BA, similar diet with 500 ppm BA on used litter; 1,000 BA, similar diet with 1,000 ppm BA on used litter; 500/250 BA, similar diet with 500 ppm BA from 0 to 8 d and 250 ppm BA from 8 to 42 d on used litter; 1,000/250 BA, similar diet with 1,000 ppm BA from 0 to 8 d and 250 ppm BA from 8 to 42 d on used litter. From 0 to 8 d, the PC resulted in a 6.8 g decrease in BW gain (BWG) compared to NC, but this response was lost from 0 to 25 d or 0 to 42 d. There were no differences in mortality corrected, FCR (FCRm) between PC and NC. All BA treatments increased BWG in comparison to PC from 0 to 8 d, with no differences from NC. Butyrate improved 0 to 8 d FCRm compared to both PC and NC (P ≤ 0.05), but these responses were lost over time (P > 0.05). Butyrate increased apparent ileal digestibility of energy and DM (P > 0.05). Butyrate had no effect on oocyst shedding compared to PC (P > 0.05). Butyrate was able to ameliorate the negative performance effects with reused litter over the 8-d starter period and was able to increase ileal digestibility of energy and DM.

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验证各种丁酸盐夹杂物对使用不含抗生素的旧砂饲养雄性肉鸡的效果

我们进行了一项实验，以验证丁酸盐（）在不使用抗生素饲养的肉鸡日粮中的有效性。日粮处理包括阴性对照组（），在新鲜刨花上饲喂不添加营养素的日粮；阳性对照组（），在用过的垃圾上饲喂同样不添加营养素的日粮；500 BA，在用过的垃圾上饲喂添加 500 ppm BA 的类似日粮；1,000 BA，在用过的垃圾上饲喂添加 1,000 ppm BA 的类似日粮；500/250 BA：类似的日粮，0-8 d 使用 500 ppm BA，8-42 d 使用 250 ppm BA；1,000/250 BA：类似的日粮，0-8 d 使用 1,000 ppm BA，8-42 d 使用 250 ppm BA。与 NC 相比，从 0 到 8 d，PC 使体重增重（）减少了 6.8 g，但从 0 到 25 d 或 0 到 42 d，这种反应消失了。与 PC 相比，所有 BA 处理在 0 至 8 d 内都能增加体重，但与 NC 相比没有差异。与PC和NC相比，丁酸盐可提高0到8 d的FCRm（≤ 0.05），但随着时间的推移这些反应消失了（> 0.05）。丁酸盐提高了能量和 DM 的表观回肠消化率 ( > 0.05)。与 PC 相比，丁酸盐对卵囊脱落没有影响 ( > 0.05)。在 8 天的起始期，丁酸盐能够改善重复使用垃圾对生产性能的负面影响，并能提高能量和 DM 的回肠消化率。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Applied Poultry Research 农林科学-奶制品与动物科学

CiteScore

4.10

自引率

10.50%

发文量

审稿时长

104 days

期刊介绍： The Journal of Applied Poultry Research (JAPR) publishes original research reports, field reports, and reviews on breeding, hatching, health and disease, layer management, meat bird processing and products, meat bird management, microbiology, food safety, nutrition, environment, sanitation, welfare, and economics. As of January 2020, JAPR will become an Open Access journal with no subscription charges, meaning authors who publish here can make their research immediately, permanently, and freely accessible worldwide while retaining copyright to their work. Papers submitted for publication after October 1, 2019 will be published as Open Access papers. The readers of JAPR are in education, extension, industry, and government, including research, teaching, administration, veterinary medicine, management, production, quality assurance, product development, and technical services. Nutritionists, breeder flock supervisors, production managers, microbiologists, laboratory personnel, food safety and sanitation managers, poultry processing managers, feed manufacturers, and egg producers use JAPR to keep up with current applied poultry research.