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Life
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Environment and Feed Composition on Animal Health Status
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Environment and Feed Composition on Animal Health Status

A special issue of Life (ISSN 2075-1729). This special issue belongs to the section "Animal Science".

Deadline for manuscript submissions: closed (31 January 2023) | Viewed by 4337

Special Issue Editors

Dr. Xihong Zhou

E-Mail Website
Guest Editor
Institute of Subtropical Agriculture, Chinese Academy of Sciences (CAS), Changsha, China
Interests: animal nutrition; animal physiology; animal feed; inflammation; gut microbe
Special Issues, Collections and Topics in MDPI journals
Dr. Hongbo Yi

E-Mail Website
Guest Editor
Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou, China
Interests: animal nutrition; gut immunity; gut health; pig; probiotics

Special Issue Information

Dear Colleagues,

Recently, increasing attention has been focused on environment and feed composition change on stress responses in animals, as the welfare and productivity of animals could greatly dependent on these two factors. Environments including high stocking density would increase stress and affect the physiology and behavior of animals. Alteration of feed resources or inappropriate feeding times could also lead to stress. The stress caused by these two factors could adversely affect animal health, as energy consumption and immune response are highly enhanced.

This Special Issue of Life will publish reviews and original research articles covering the recent research advances in the influence of environmental factors and changes in feed composition on animal health. Environmental factors may include temperature, humidity, light, noise and stocking density, etc. The changes of feed formulation may mainly involve different levels of protein, fat and carbohydrate, etc.

We are particularly interested in studies that strength our understanding of the physiological and biochemical mechanisms of environment and feed composition on growth performance and health status of animals. In addition, the identification of biomarkers for stress caused by alterations of environmental factors and feed composition in animals are welcome.

Potential topics include, but are not limited to, the following:

  • The influence of environment and feed composition on animal health status;
  • Host alterations in response to environment and feed that mediated stress development;
  • Identification and characterization of biomarkers for stress in response to environment and feed composition.

Dr. Xihong Zhou
Dr. Hongbo Yi
Guest Editors

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. Life is an international peer-reviewed open access monthly 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 2600 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

  • environmental factors
  • feed composition
  • stress
  • biomarker

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Published Papers (2 papers)

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Research

12 pages, 1733 KiB  
Article
Heavy Metals Levels in Soil, Water and Feed and Relation to Slaughtered Camels’ Tissues (Camelus dromedarius) from Five Districts in Saudi Arabia during Spring
by Mutassim M. Abdelrahman, Ibrahim A. Alhidary, Abdulkareem M. Matar, Mohsen M. Alobre, Moez Ayadi and Riyadh S. Aljumaah
Life 2023, 13(3), 732; https://doi.org/10.3390/life13030732 - 8 Mar 2023
Cited by 4 | Viewed by 2049
Abstract
Soil, water, and forage contaminated with toxic heavy metals such as Pb, Cd, and Co can affect the meat and liver quality of camels raised in this area which affect human health. This study aimed to determine the concentrations of Pb, Cd and [...] Read more.
Soil, water, and forage contaminated with toxic heavy metals such as Pb, Cd, and Co can affect the meat and liver quality of camels raised in this area which affect human health. This study aimed to determine the concentrations of Pb, Cd and Co in soil, water, feed and young camels’ carcass tissues (meat, liver, whole blood, rumen fluid and rumen tissue) from five districts in Saudi Arabia during the spring. All samples were wet-digested and analyzed by ICP-OES for heavy metals. In the liver, a significantly higher (p < 0.05) concentration of Pb and Co was observed in camels reared in the central and southern districts, while Cd was found significantly higher in the western and northern districts. The concentration of Pb, Cd and Co in meat of camels in the northern district was significantly higher (p < 0.05), and the meat of camels in the west had a higher (p < 0.05) concentration of Co. In addition, the Cd and Co concentrations in rumen fluid samples from camels in the eastern district were significantly higher than in the central district. A negative correlation between the concentration of Pb and Cd in rumen fluid and rumen tissue was reported. The accumulation of Cd, Pb, and Co in meat and liver was below the recommended maximum limit. Therefore, the harmful risk of human consumption of camel meat and liver is not possible. Full article
(This article belongs to the Special Issue Environment and Feed Composition on Animal Health Status)
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9 pages, 3933 KiB  
Article
IG1, a Mansonone F Analog, Exhibits Antibacterial Activity against Staphylococcus aureus by Potentially Impairing Cell Wall Synthesis and DNA Replication
by Xin Chen, Yueqiao Lin, Qianqian Gao, Shiliang Huang, Zihua Zhang, Nan Li, Xin Zong and Xuemin Guo
Life 2022, 12(11), 1902; https://doi.org/10.3390/life12111902 - 16 Nov 2022
Cited by 5 | Viewed by 1829
Abstract
Infection caused by Staphylococcus aureus, especially methicillin-resistant S. aureus (MRSA), is very common in communities and hospitals, which poses a great challenge to human health. Therefore, increasing attention has been paid to finding effective antimicrobial agents. Mansonone F is a natural compound [...] Read more.
Infection caused by Staphylococcus aureus, especially methicillin-resistant S. aureus (MRSA), is very common in communities and hospitals, which poses a great challenge to human health. Therefore, increasing attention has been paid to finding effective antimicrobial agents. Mansonone F is a natural compound which has an oxaphenalene skeleton and anti-S. aureus activity, but its sources are limited and its synthesis is difficult. Thus, IG1, a C9-substituent mansonone F analog, was assessed for its activity against Staphylococcus aureus and its mechanism of action was investigated. Antimicrobial susceptibility assays showed that IG1 has strong antibacterial activity against S. aureus, including MRSA, with minimum inhibitory concentrations (MICs) ranging from 0.5 to 2 μg/mL, which were very close to those of vancomycin, and these changed little, even with an increase in the amount of the inoculum. To further explore the antibacterial properties of IG1, time–kill experiments were conducted. Compared with vancomycin and moxifloxacin, treatment with different concentrations of IG1 reduced the viability of organisms in a very similar manner and the reduction was not significant, which indicated that IG1 is a potentially strong anti-S. aureus agent. Finally, the antibacterial mechanism was analyzed, with flow cytometric analysis revealing that IG1 treatment resulted in a time-dependent decrease in the DNA content of S. aureus. Transmission electron microscopy (TEM) analysis showed that very few dividing cells could be found and the cell wall was damaged in the field of IG1-treated cells. These results indicate that IG1 is a potential new antibacterial agent against S. aureus, including MRSA. Full article
(This article belongs to the Special Issue Environment and Feed Composition on Animal Health Status)
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