Benefits of tributyrin on growth performance, gastrointestinal tract development, ruminal bacteria and volatile fatty acid formation of weaned Small-Tailed Han lambs

Benefits of tributyrin on growth performance, gastrointestinal tract development, ruminal bacteria and volatile fatty acid formation of weaned Small-Tailed Han lambs

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Zhiwei Li^a, Xueer Wang^b, Wei Wang^a, Ran An^a, Yaxin Wang^a, Qingchang Ren^a^,^c^,^*, Jingjing Xuan^d^,^*

Animal Nutrition | 2023, 15(1) : 187 - 196

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Animal Nutrition | 2023, 15(1): 187-196

• Original Research Article •

Benefits of tributyrin on growth performance, gastrointestinal tract development, ruminal bacteria and volatile fatty acid formation of weaned Small-Tailed Han lambs

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Zhiwei Li^a, Xueer Wang^b, Wei Wang^a, Ran An^a, Yaxin Wang^a, Qingchang Ren^a^,^c^,^*, Jingjing Xuan^d^,^*

Affiliations

^aCollege of Animal Science, Anhui Science and Technology University, Fengyang, 233100, China

^bCollege of Animal Science and Technology, Tarim University, Alae, 843300, China

^cAnhui Province Key Laboratory of Animal Nutritional Regulation and Health, Anhui Science and Technology University, Fengyang, 233100, China

^dSchool of Finance and Economics, Anhui Science and Technology University, Bengbu, 233030, China

Published: 2023-12-10 doi: 10.1016/j.aninu.2023.08.006

Outline

Abstract

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This study aimed to determine the effects of tributyrin on growth performance, gastrointestinal tract development, ruminal bacteria and volatile fatty acid (VFA) formation. Thirty healthy weaned Small-Tailed Han female lambs at 3 months old with BW 27.5 ± 4.1kg (mean ± SD) were randomly assigned to five groups of six lambs each, and each group received tributyrin at 0, 0.5, 1.0, 2.0 and 4.0g/kg in feed. Weights were measured before the start and end of the study. After 15d adaptation, DMI, feed, faeces and urine were recorded every week. Lambs were sacrificed at d 75. Compared to lambs fed no tributyrin, lambs fed 4.0g/kg tributyrin had higher average daily BW gain (P = 0.04) and DMI (P < 0.01). Tributyrin reduced nitrogen (P < 0.01), Ca (P < 0.01) and P (P < 0.01) losses derived from faeces and urine. The mostly important, tributyrin increased dorsal sac thickness (P < 0.01), papillae length (P = 0.04) and width (P < 0.01), ventral sac papillae length (P < 0.01) and width (P < 0.01), caudodorsal blind sac thickness (P = 0.02), papillae length (P < 0.01) and width (P < 0.01). Furthermore, tributyrin increased thicknesses of both the duodenum (P < 0.01) and ileum (P = 0.01), and villus heights of the duodenum (P = 0.01), ileum (P < 0.01), jejunum (P < 0.01) and caecum (P = 0.02), but tributyrin decreased duodenal (P < 0.01) and caecal crypt depths (P < 0.01). Tributyrin reduced rumen pH (P < 0.01) while promoting total VFA concentration (P < 0.01). Tributyrin improved the structure of rumen bacteria by enhancing Clostridium (P = 0.04), Butyrivibrio (P < 0.01), Streptococcus (P = 0.04), Prevotella (P = 0.04), Ruminobacter (P = 0.02) and Fibrobacter (P = 0.03). In conclusion, tributyrin could stimulate gastrointestinal tract development by enhancing colonization of rumen VFA-producing bacteria, and dietary supplementation of tributyrin at 4.0g/kg of DM was recommended for the weaned lambs.

Key words

Tributyrin / Bacteria / Gastrointestinal tract / Growth / Weaned lamb

Cite this Article

Zhiwei Li, Xueer Wang, Wei Wang, Ran An, Yaxin Wang, Qingchang Ren, Jingjing Xuan. Benefits of tributyrin on growth performance, gastrointestinal tract development, ruminal bacteria and volatile fatty acid formation of weaned Small-Tailed Han lambs[J]. Animal Nutrition, 2023 , 15 (1) : 187 -196 . DOI: 10.1016/j.aninu.2023.08.006

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Year 2023 volume 15 Issue 1

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Article Info

doi: 10.1016/j.aninu.2023.08.006

Receive Date：2023-01-20
Online Date：2026-02-03
Published：2023-12-10

Article Data

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History

Received：2023-01-20
Revised：2023-07-23
Accepted：2023-08-08

Affiliations

^aCollege of Animal Science, Anhui Science and Technology University, Fengyang, 233100, China

^bCollege of Animal Science and Technology, Tarim University, Alae, 843300, China

^cAnhui Province Key Laboratory of Animal Nutritional Regulation and Health, Anhui Science and Technology University, Fengyang, 233100, China

^dSchool of Finance and Economics, Anhui Science and Technology University, Bengbu, 233030, China

Corresponding:

^* Corresponding authors. E-mail addresses: Renqc@ahstu.edu.cn (Q. C. Ren)

Xuanjj@ahstu.edu.cn (J. J. Xuan).

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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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