The flow of non-starch polysaccharides along the gastrointestinal tract of broiler chickens fed either a wheat- or maize-based diet.
The flow of non-starch polysaccharides along the gastrointestinal tract of broiler chickens fed either a wheat- or maize-based diet.
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DOI：
10.1016/j.aninu.2021.11.004
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发表时间：
2022-06
期刊：
影响因子：
6.3
通讯作者：
Choct, Mingan
中科院分区：
文献类型：
--
作者：
Kim, Eunjoo;Morgan, Natalie K.;Moss, Amy F.;Li, Lily;Ader, Peter;Choct, Mingan
本研究的特点是类型和数量的非淀粉多糖（NSP）剩余的未消化沿着肉仔鸡胃肠道（GIT）提供了一个典型的小麦或玉米为基础的饮食。将1日龄Cobb 500混合性别雏鸡分配至24个围栏，10只鸡/围栏和12只围栏/处理。在3个阶段（起始阶段，第0至10天;生长阶段，第11至24天和育成阶段，第25至35天）向鸡提供实验饮食。在12日龄和35日龄时收集来自作物、砂囊、十二指肠、空肠、回肠和盲肠的排泄物和粪便样品，并分析NSP流量。小麦为基础的饮食含有较高水平的可溶性NSP比玉米为基础的饮食，而不溶性NSP水平之间的2饮食相似。NSP成分的详细分析表明，阿拉伯聚糖是小麦为基础的饮食中的主要NSP，主要是在不溶性形式。在以玉米为基础的饮食中，果胶是主要的NSP，其次是阿拉伯聚糖。总的来说，在12和35日龄时，与提供基于玉米的饮食的鸟类相比，提供基于小麦的饮食的鸟类在所有肠道部分中呈现出更高水平的可溶性NSP（P < 0.050）。在12和35日龄时，在两种饲料中均观察到不溶性NSP在砂囊中的积累，但与小麦饲料相比，在玉米饲料中的积累更为明显（P < 0.001）。本研究强调了在饲喂小麦和玉米为基础的饮食时，传递到不同肠道部分的NSP的数量和类型的显着差异，特别是在鸟类的砂囊和较低的GIT。
The present study characterised the types and amounts of non-starch polysaccharides (NSP) remaining undigested along the gastrointestinal tract (GIT) of broiler chickens offered a typical wheat- or maize-based diet. One-day old Cobb 500 mixed-sex chicks were assigned to 24 pens, with 10 birds/pen and 12 pens/treatment. Birds were offered the experimental diets in 3 phases (starter, day 0 to 10; grower, day 11 to 24 and finisher, day 25 to 35). Excreta and digesta samples from the crop, gizzard, duodenum, jejunum, ileum and caeca were collected at 12 and 35 days of age, and analysed for the NSP flow. The wheat-based diet contained higher levels of soluble NSP than the maize-based diet, whereas insoluble NSP levels were similar between the 2 diets. Detailed analysis of NSP constituents revealed that arabinoxylans were the primary NSP in the wheat-based diet, mostly in insoluble form. Pectins were the predominant NSP in the maize-based diet, followed by arabinoxylans. Overall, birds offered the wheat-based diet presented higher levels of soluble NSP remaining in all gut sections compared to birds offered the maize-based diet, at both 12 and 35 days of age (P < 0.050). Accumulation of insoluble NSP in the gizzard was noted in birds fed both diets, but was more pronounced in birds offered the maize-based diet compared to the wheat-based diet, at both 12 and 35 days of age (P < 0.001). The present study highlights marked differences in the amounts and types of NSP delivered to the different gut sections when feeding wheat-compared to maize-based diets, particularly in the gizzard and the lower GIT of birds.
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影响因子：
2
作者：
Choct, M;Hughes, RJ;Annison, G
通讯作者：
Annison, G
影响因子：
3.2
作者：
Lee, S. A.;Apajalahti, J.;Bedford, M. R.
通讯作者：
Bedford, M. R.
影响因子：
2
作者：
CHOCT, M;ANNISON, G
通讯作者：
ANNISON, G
影响因子：
4.4
作者：
Langhout, DJ;Schutte, JB
通讯作者：
Schutte, JB
影响因子：
4.4
作者：
Bautil, A.;Verspreet, J.;Courtin, C. M.
通讯作者：
Courtin, C. M.