Supplementing oat hulls to the diet of suckling piglets altered their intestinal tract and colonic microbiota development

Supplementing oat hulls to the diet of suckling piglets altered their intestinal tract and colonic microbiota development

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Hubèrt M.J. van Hees^a^,^b^,^*, Koen Chiers^c, Leo A. den Hartog^b^,^d, Theo A.T.G. van Kempen^b^,^e, Dominiek Maes^f, Sam Millet^a^,^g, Geert P.J. Janssens^a

Animal Nutrition | 2023, 12(1) : 284 - 296

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Animal Nutrition | 2023, 12(1): 284-296

• Original Research Article •

Supplementing oat hulls to the diet of suckling piglets altered their intestinal tract and colonic microbiota development

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Hubèrt M.J. van Hees^a^,^b^,^*, Koen Chiers^c, Leo A. den Hartog^b^,^d, Theo A.T.G. van Kempen^b^,^e, Dominiek Maes^f, Sam Millet^a^,^g, Geert P.J. Janssens^a

Affiliations

^aDepartment of Veterinary and Biosciences, Ghent University, Merelbeke, Belgium

^bTrouw Nutrition Research and Development, Amersfoort, the Netherland

^cDepartment of Pathology, Ghent University, Merelbeke, Belgium

^dAnimal Nutrition, Wageningen University and Research, Wageningen, the Netherlands

^eDepartment of Animal Science, North Carolina State University, Raleigh, NC, USA

^fDepartment of Reproduction, Obstetrics and Herd Health, Ghent University, Merelbeke, Belgium

^gILVO (Flanders Research Institute for Agriculture, Fisheries and Food), Melle, Belgium

Published: 2023-03-10 doi: 10.1016/j.aninu.2022.10.002

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Abstract

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Current study evaluated the effect of a fine and coarsely ground insoluble dietary fibre source on the gastrointestinal development of suckling pigs. Oat hulls (OH) were selected as a model feedstuff, rich in cellulose, lignin, and insoluble dietary fibre. Three experimental supplemental diets were formulated: a finely ground, low fibre and nutrient dense diet served as control (CON). For the 2 high fibre diets, 15%heat-treated starch in CON was exchanged with OH, either finely (OH-f) or coarsely ground (OH-c). Litters of 10 primi- and multiparous sows (mean litter size 14.6 ± 0.84) were used. Within a litter, experimental diets were allotted to triplets of 4 piglets. From approximately 12 d of age, piglets' individual feed intakes were recorded 2 times per day when separated from their dam for 70 min. Piglets could suckle with their dam for the remainder of the day. On d 24 and 25, from the total pool of 120 piglets, seven healthy well-eating piglets per treatment were selected for post-mortem evaluation, resulting in 14 replicates per treatment. Consumption of OH-c and OH-f did not impede clinical health and production performance of piglets. The full stomach weights tended to be greater for OH-c compared to OH-f whereas CON was intermediate (P = 0.083). Supplementing OH significantly increased ileal villus height and caecal dry matter concentration (P < 0.05). For the colon, OH increased its length, contents weight, short-chain fatty acid concentration and reduced total bacterial count as well as γ-proteobacteria count and proportion (P < 0.05). The OH-c treatment specifically increased full gastrointestinal tract weight and caecum contents weight compared to piglets fed CON and OH-f. Furthermore, OH-c reduced colonic crypt depth when compared to OH-f (P = 0.018). In conclusion, supplementing OH to a diet for suckling piglets exerted subtle developmental effects on gastrointestinal morphology and colonic microbial community. These effects were largely independent from the particle size of the OH.

Key words

Oat hull / Insoluble fibre / Gastrointestinal development / Suckling piglet

Cite this Article

Hubèrt M.J. van Hees, Koen Chiers, Leo A. den Hartog, Theo A.T.G. van Kempen, Dominiek Maes, Sam Millet, Geert P.J. Janssens. Supplementing oat hulls to the diet of suckling piglets altered their intestinal tract and colonic microbiota development[J]. Animal Nutrition, 2023 , 12 (1) : 284 -296 . DOI: 10.1016/j.aninu.2022.10.002

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Year 2023 volume 12 Issue 1

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Article Info

doi: 10.1016/j.aninu.2022.10.002

Receive Date：2022-01-24
Online Date：2026-02-03
Published：2023-03-10

Article Data

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History

Received：2022-01-24
Revised：2022-10-02
Accepted：2022-10-14

Affiliations

^aDepartment of Veterinary and Biosciences, Ghent University, Merelbeke, Belgium

^bTrouw Nutrition Research and Development, Amersfoort, the Netherland

^cDepartment of Pathology, Ghent University, Merelbeke, Belgium

^dAnimal Nutrition, Wageningen University and Research, Wageningen, the Netherlands

^eDepartment of Animal Science, North Carolina State University, Raleigh, NC, USA

^fDepartment of Reproduction, Obstetrics and Herd Health, Ghent University, Merelbeke, Belgium

^gILVO (Flanders Research Institute for Agriculture, Fisheries and Food), Melle, Belgium

Corresponding:

^* Corresponding author. E-mail address: Hubertus.vanhees@Ugent.be (H.M.J. van Hees).

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表12种不同金属材料的力学参数

科 Family	属数 Number of genus	种数 Number of species	占总种数比例 Percentage of total species (%)	属 Genus	种数 Number of species	占总种数比例 Percentage of total species (%)
鹅膏菌科Amanitaceae	2	11	5.26	鹅膏菌属 Amanita	10	4.78
小菇科 Mycenaceae	2	12	5.74	丝盖伞属 Inocybe	5	2.39
多孔菌科 Polyporaceae	8	14	6.70	蜡蘑属 Laccaria	5	2.39
红菇科 Russulaceae	3	23	11.00	小皮伞属 Marasmius	6	2.87
				小菇属 Mycena	11	5.26
				光柄菇属 Pluteus	5	2.39
				红菇属 Russula	17	8.13
				栓菌属 Trametes	5	2.39

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