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Do H, Yoshida E, Masaki T, Oosaki S, Sakase M, Iwamoto E, Tomonaga S. Gas chromatography-mass spectrometry-based quantitative method using tert-butyldimethylsilyl derivatization for plasma levels of free amino acids and related metabolites in Japanese Black cattle. Anim Sci J 2024; 95:e13896. [PMID: 38225799 DOI: 10.1111/asj.13896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Revised: 10/06/2023] [Accepted: 11/22/2023] [Indexed: 01/17/2024]
Abstract
The quantification of amino acid and related metabolite levels is important for evaluating amino acid metabolism and function in animals. However, a useful quantitative method is not enough. In this study, we developed and validated tert-butyldimethylsilyl derivatization method using gas chromatography-mass spectrometry to quantify plasma levels of free amino acids and related metabolites in Japanese Black cattle. Of the 51 metabolites examined, 24, including 20 amino acids, one amine, and three keto acids, could be quantified. Compared with the trimethylsilyl derivatization method using gas chromatography-mass spectrometry, which has been used for untargeted metabolomic analysis, the present method had higher analytical reliability. This method is advantageous for assessing branched-chain amino acid (BCAA) metabolism because it enables the quantification of not only BCAA levels (valine, leucine, and isoleucine) but also their bioactive metabolite keto acid levels (2-ketoisovaleric acid, 2-ketoisocaproic acid, and 2-keto-3-methylvaleric acid) in the plasma. In addition, this method can quantify the plasma levels of not only tryptophan but also its bioactive metabolites kynurenine and serotonin. These results suggest that this quantitative method has the potential to further our understanding of amino acid metabolic processes and their functions in Japanese Black cattle.
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Affiliation(s)
- Hanwool Do
- Division of Applied Biosciences, Graduate School of Agriculture, Kyoto University, Kyoto, Japan
| | - Emi Yoshida
- Livestock Technology Institute, Hyogo Prefectural Technology Center for Agriculture, Forestry and Fisheries, Kasai, Hyogo, Japan
| | - Tatsunori Masaki
- Livestock Technology Institute, Hyogo Prefectural Technology Center for Agriculture, Forestry and Fisheries, Kasai, Hyogo, Japan
| | - Shigeru Oosaki
- Livestock Technology Institute, Hyogo Prefectural Technology Center for Agriculture, Forestry and Fisheries, Kasai, Hyogo, Japan
| | - Mitsuhiro Sakase
- Livestock Technology Institute, Hyogo Prefectural Technology Center for Agriculture, Forestry and Fisheries, Kasai, Hyogo, Japan
| | - Eiji Iwamoto
- Hokubu Agricultural Technology Institute, Hyogo Prefectural Technology Center for Agriculture, Forestry and Fisheries, Asago, Hyogo, Japan
| | - Shozo Tomonaga
- Division of Applied Biosciences, Graduate School of Agriculture, Kyoto University, Kyoto, Japan
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Du Y, Gao Y, Hu M, Hou J, Yang L, Wang X, Du W, Liu J, Xu Q. Colonization and development of the gut microbiome in calves. J Anim Sci Biotechnol 2023; 14:46. [PMID: 37031166 PMCID: PMC10082981 DOI: 10.1186/s40104-023-00856-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Accepted: 02/16/2023] [Indexed: 04/10/2023] Open
Abstract
Colonization and development of the gut microbiome are crucial for the growth and health of calves. In this review, we summarized the colonization, beneficial nutrition, immune function of gut microbiota, function of the gut barrier, and the evolution of core microbiota in the gut of calves of different ages. Homeostasis of gut microbiome is beneficial for nutritional and immune system development of calves. Disruption of the gut microbiome leads to digestive diseases in calves, such as diarrhea and intestinal inflammation. Microbiota already exists in the gut of calf fetuses, and the colonization of microbiota continues to change dynamically under the influence of various factors, which include probiotics, diet, age, and genotype. Colonization depends on the interaction between the gut microbiota and the immune system of calves. The abundance and diversity of these commensal microbiota stabilize and play a critical role in the health of calves.
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Affiliation(s)
- Yufeng Du
- College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Ya Gao
- College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Mingyang Hu
- College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Jinxiu Hou
- College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Linhai Yang
- College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Xianghuang Wang
- College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Wenjuan Du
- College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Jianxin Liu
- MoE Key Laboratory of Molecular Animal Nutrition, College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Qingbiao Xu
- College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan, 430070, China.
- MoE Key Laboratory of Molecular Animal Nutrition, College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China.
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Early Stepdown Weaning of Dairy Calves with Glutamine and Branched-Chain Amino Acid Supplementations. Animals (Basel) 2022; 12:ani12121474. [PMID: 35739810 PMCID: PMC9219432 DOI: 10.3390/ani12121474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 05/31/2022] [Accepted: 06/05/2022] [Indexed: 11/25/2022] Open
Abstract
Simple Summary We demonstrated previously that supplementation of glutamine (Gln) at 2.0% of dry matter intake (DMI) increased the rate at which dairy calves achieved ≥1.0 kg/d starter feed intake (SFI) during weaning. Because Gln supplements at <1.0% of DMI or branched-chain amino acid (BCAA) supplements have been shown to improve the performance of weaning piglets, we examined the effects of a lower dose of Gln (8.0 g/d equivalent to 1% of DMI) alone or in combination with BCAA supplementations on SFI and average daily gain (ADG) in this study. Amino acids did not affect SFI or ADG during the supplementations but decreased post-weaning SFI in an additive manner even though the ADG was not affected. The blood analysis on the last day of supplementations revealed a possibility for the Gln and BCAA supplementations to suppress SFI through leptin and serotonin secreted by the gastrointestinal tract. Abstract The study objective was to examine the effects of supplementing Gln and BCAA on the SFI and ADG of weaning dairy calves. Holstein heifer calves (11 calves /treatment) at 35 d of age were assigned to: (1) no amino acids (CTL), (2) Gln (8.0 g/d) alone (GLN), or (3) Gln (8.0 g/d) and BCAA (GLNB; 17.0, 10.0, and 11.0 g/d leucine, isoleucine, and valine, respectively) supplementations in whole milk during a stepdown weaning scheme. Calves were weaned completely once they achieved ≥1.0 kg/d SFI. Neither GLN nor GLNB affected SFI or ADG in the first week during weaning. The GLNB decreased SFI compared to CTL, but the SFI was similar between CTL and GLN in the remainder of the weaning scheme. All calves were weaned at 50 d of age. The SFI of GLNB was lower than that of GLN, and the SFI of both GLN and GLNB were lower than CTL post-weaning. The decreased SFI did not alter ADG during weaning or post-weaning. The GLNB tended to have higher plasma leptin and lower plasma serotonin concentrations compared to CTL. Glutamine and BCAA seem to affect the SFI of calves by modulating the secretions of endocrine cells in the gastrointestinal tract.
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