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Animals
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Application of “Omics” Technologies in Animal Nutrition
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Application of “Omics” Technologies in Animal Nutrition

A special issue of Animals (ISSN 2076-2615). This special issue belongs to the section "Animal Nutrition".

Deadline for manuscript submissions: closed (31 March 2022) | Viewed by 5466

Special Issue Editor

Dr. Elham Assadi Soumeh

E-Mail Website
Guest Editor
School of Agriculture and Food Science, University of Queensland, Gatton, QLD 4343, Australia
Interests: monogastric animal nutrition and metabolism; molecular nutrition; nutrient requirements; nutrigenomics; nutrition–gut microbiota interactions

Special Issue Information

Dear Colleagues,

“Omics”, an emerging field of high-throughput technologies, refers to recently developed genomics, transcriptomics, proteomics, lipidomics, and metabolomics. Application of omics approaches in livestock nutrition and metabolism has great potential to help us to understand the effects of foods and food constituents on gene expression, lipids, proteins, and metabolite levels in a comprehensive and systematic way.

Feed efficiency represents the most important and complex trait in livestock production, as feed constitutes 60–70% of the total production costs. Molecular aspects of feed efficiency including regulatory mechanisms of voluntary feed intake, metabolism and energy expenditure, and the rate of anabolic and catabolic processes in different tissues are yet to be fully understood. 

With the advent of tools and techniques, improved databases for targeted and non-targeted metabolic profiling, bioinformatics, pathway mapping, and computational modeling, nutritional omics is rapidly maturing to support integration of diet and nutrition in complex biosystems.

Original manuscripts that address any aspects of application of “omics” technologies in animal nutrition and metabolism are invited for this Special Issue. Aspects such as non-targeted metabolomics approaches to study outperforming animals and identify biomarkers of feed efficiency and nutrigenomics to identify food constituents upregulating the expression of genes involved in feed efficiency are welcome.

Dr. Elham Assadi Soumeh
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Animals is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Animal nutrition
  • Feed efficiency
  • Production efficiency
  • Metabolomics
  • Proteomics
  • Nutrigenomics
  • Biomarkers
  • Metabolism

Published Papers (2 papers)

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Research

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8 pages, 1008 KiB  
Communication
Exposure to Oxy-Tetracycline Changes Gut Bacterial Community Composition in Rainbow Trout: A Preliminary Study
by Aritra Roy Choudhury, Ji-Young Park, Do Young Kim, Jeongyun Choi, Satabdi Acharya and Jung-Ho Park
Animals 2021, 11(12), 3404; https://doi.org/10.3390/ani11123404 - 29 Nov 2021
Cited by 6 | Viewed by 1446
Abstract
The extensive use of antibiotics is evident in most of the livestock and aquaculture management for inhibiting pathogen infection. Korean aquaculture depends on the usage of oxy-tetracycline for growing rainbow trout. Hence, this study was conducted to evaluate the changes in gut bacterial [...] Read more.
The extensive use of antibiotics is evident in most of the livestock and aquaculture management for inhibiting pathogen infection. Korean aquaculture depends on the usage of oxy-tetracycline for growing rainbow trout. Hence, this study was conducted to evaluate the changes in gut bacterial community profiles of rainbow trout exposed to oxy-tetracycline and predict the metabolic functioning of the bacterial community. The gut bacterial community composition of oxy-tetracycline treated fish was assessed by amplicon sequencing targeting the 16S rRNA gene of bacteria and comparing with the control group that did not receive any antibiotic. The principle coordinate analysis and non-metric multidimensional scaling analysis had shown two distinct clusters that implies the changes in community composition. In phyla level, the relative abundances of Tenericutes and Firmicutes were observed to be significantly higher in oxy-tetracycline treated fish compared to the control. Furthermore, the prediction based metabolic profiling revealed the processes that are affected due to the shift in community profiles. For example, metabolic functioning of membrane efflux system, amino acid metabolism and glycolysis were significantly higher in oxy-tetracycline treated fish compared to the control. This study describes alteration in gut bacterial community composition and potential metabolic profiles of the community that might be responsible for surviving in antibiotic rich environment. Full article
(This article belongs to the Special Issue Application of “Omics” Technologies in Animal Nutrition)
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Review

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19 pages, 2061 KiB  
Review
Nutritional Modulation, Gut, and Omics Crosstalk in Ruminants
by Mohamed Abdelrahman, Wei Wang, Aftab Shaukat, Muhammad Fakhar-e-Alam Kulyar, Haimiao Lv, Adili Abulaiti, Zhiqiu Yao, Muhammad Jamil Ahmad, Aixin Liang and Liguo Yang
Animals 2022, 12(8), 997; https://doi.org/10.3390/ani12080997 - 12 Apr 2022
Cited by 3 | Viewed by 2842
Abstract
Ruminant nutrition has significantly revolutionized a new and prodigious molecular approach in livestock sciences over the last decade. Wide-spectrum advances in DNA and RNA technologies and analysis have produced a wealth of data that have shifted the research threshold scheme to a more [...] Read more.
Ruminant nutrition has significantly revolutionized a new and prodigious molecular approach in livestock sciences over the last decade. Wide-spectrum advances in DNA and RNA technologies and analysis have produced a wealth of data that have shifted the research threshold scheme to a more affluent level. Recently, the published literature has pointed out the nutrient roles in different cellular genomic alterations among different ruminant species, besides the interactions with other factors, such as age, type, and breed. Additionally, it has addressed rumen microbes within the gut health and productivity context, which has made interpreting homogenous evidence more complicated. As a more systematic approach, nutrigenomics can identify how genomics interacts with nutrition and other variables linked to animal performance. Such findings should contribute to crystallizing powerful interpretations correlating feeding management with ruminant production and health through genomics. This review will present a road-mapping discussion of promising trends in ruminant nutrigenomics as a reference for phenotype expression through multi-level omics changes. Full article
(This article belongs to the Special Issue Application of “Omics” Technologies in Animal Nutrition)
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