Nutrient digestibility in broiler chickens fed diets containing high levels of soybean oil is affected by the source of fiber

IF 1.2 4区农林科学 Q3 AGRICULTURE, DAIRY & ANIMAL SCIENCE

Canadian Journal of Animal Science Pub Date : 2023-01-04 DOI:10.1139/cjas-2022-0064

S. Faryadi, S. Lashkari, S. P. Ndou, T. Woyengo

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引用次数: 3

Abstract

Abstract This study evaluated the effects of including soluble and insoluble dietary fiber sources in soybean oil-containing diet for broiler chickens on coefficient of apparent ileal digestibility (AID) of amino acids, coefficient of apparent retention (AR) of nutrients, and nitrogen-corrected apparent metabolizable energy (AMEn). A total of 180 broilers were divided into 30 groups and fed 3 diets from day 14 to 21 of age. The diets were corn–soybean meal containing 6.8% soybean oil without or with soybean hulls (SBH) or sugar beet pulp (SBP) at 8.0% as sources of insoluble and soluble fiber, respectively. The SBH and SBP contained 6.0% and 14.7% of soluble dietary fiber and 60.5% and 37.0% of insoluble dietary fiber, respectively. The AID of indispensable amino acids was decreased (P < 0.05) due to dietary inclusion of SBH, but not of SBP. Dietary SBH and SBP reduced the AR of gross energy (by 14% and 8%, respectively) and AMEn (by 20% and 14%, respectively). Overall, inclusion of SBH or SBP at 8.0% in a corn–soybean meal-based diet for broilers that contains high level of soybean oil might not improve nutrient digestibility. However, SBP has less detrimental effects on nutrient digestibility than SBH.

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饲喂高豆油饲粮的肉鸡营养物质消化率受到纤维来源的影响

摘要本试验研究了在含豆油饲粮中添加可溶性和不可溶性膳食纤维源对肉仔鸡氨基酸表观回肠消化率系数(AID)、营养物质表观保留系数(AR)和氮校正表观代谢能(AMEn)的影响。试验选用180只肉仔鸡，分为30组，在14 ~ 21日龄期间分别饲喂3种饲粮。饲粮中不溶性纤维和可溶性纤维的来源分别为含6.8%大豆油(不含大豆皮)和含8.0%甜菜浆(不含大豆皮)的玉米-豆粕。可溶性膳食纤维含量为6.0%、14.7%，不溶性膳食纤维含量为60.5%、37.0%。饲料中添加SBH降低了必需氨基酸的AID (P < 0.05)，但不降低SBP。饲粮中添加SBH和SBP可降低总能AR(分别降低14%和8%)和AMEn(分别降低20%和14%)。总体而言，在高豆油水平的玉米-豆粕型饲粮中添加8.0%的SBH或SBP可能不会提高营养物质的消化率。然而，收缩压对营养物质消化率的不利影响小于SBH。

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

Canadian Journal of Animal Science 农林科学-奶制品与动物科学

CiteScore

2.30

自引率

0.00%

发文量

审稿时长

6 months

期刊介绍： Published since 1957, this quarterly journal contains new research on all aspects of animal agriculture and animal products, including breeding and genetics; cellular and molecular biology; growth and development; meat science; modelling animal systems; physiology and endocrinology; ruminant nutrition; non-ruminant nutrition; and welfare, behaviour, and management. It also publishes reviews, letters to the editor, abstracts of technical papers presented at the annual meeting of the Canadian Society of Animal Science, and occasionally conference proceedings.