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Life
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Advances in Nutritional Physiology of Poultry
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Advances in Nutritional Physiology of Poultry

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

Deadline for manuscript submissions: closed (15 December 2023) | Viewed by 2908

Special Issue Editor

Dr. Caven Mguvane Mnisi

E-Mail Website
Guest Editor
Department of Animal Science, Faculty of Natural and Agricultural Science, North-West University, Mafikeng, South Africa
Interests: poultry; gut microbiota; physiological responses; growth performance; carcass performance; feed additives; nutraceuticals; meat quality
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue aims to publish novel and high-quality studies on advances in our understanding of the nutritional physiology of various poultry species. Submissions should build and deepen our knowledge of the regulation of feed intake, the digestion of macro- and micro-nutrients and metabolic regulation. To date, various research endeavours have been made towards the use of non-conventional feed resources including nutraceutical plants, non-conventional protein and energy sources, agro-industrial waste by-products, and feed additives, among others, to achieve sustainable poultry production, and reduce global food insecurity risks and feed–food competitions. However, inconsistent results have been reported in the literature due to the diversity of these feed resources as well as the lack of understanding of their mode of actions at cellular and physiological levels. This is compounded by the presence of antinutritional factors that have negative effects on the physiological responses of birds. Some plant secondary compounds have antinutritional activities that usually require pre-processing methods or the use of feed additives to ensure safe utilisation by the birds. We invite, therefore, the submission of original research articles and review articles with the sole aim of addressing the existing gaps in literature, while reporting on the current trends or advances in poultry nutritional research.

This Special Issue is now open for submissions. Prospective authors should first send a short abstract or tentative title to the Editorial Office. If the editor deems the topic to be appropriate for inclusion in the Special Issue, the author will be encouraged to submit a full manuscript.

Dr. Caven Mguvane Mnisi
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. 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

  • poultry
  • product quality
  • physiological responses
  • nutrient digestibility
  • growth performance
  • carcass performance
  • gut microbiota

Published Papers (2 papers)

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Research

21 pages, 612 KiB  
Article
Effects of Anticoccidial Vaccination and Taraxacum officinale Extract on the Growth Performance, Biochemical Parameters, Immunity, and Intestinal Morphology of Eimeria-Challenged Chickens
by Anna Arczewska-Włosek, Sylwester Świątkiewicz, Ewa Tomaszewska, Siemowit Muszyński, Piotr Dobrowolski and Damian Józefiak
Life 2023, 13(9), 1927; https://doi.org/10.3390/life13091927 - 17 Sep 2023
Cited by 1 | Viewed by 1301
Abstract
A total of 160 Ross 308 male chickens were used in a 2 × 2 factorial design to examine the effects of anticoccidial vaccination (ACV; lack or 1× dose recommended by the manufacturer) and dietary supplementation with Taraxacum officinale (dandelion) extract (DE; with [...] Read more.
A total of 160 Ross 308 male chickens were used in a 2 × 2 factorial design to examine the effects of anticoccidial vaccination (ACV; lack or 1× dose recommended by the manufacturer) and dietary supplementation with Taraxacum officinale (dandelion) extract (DE; with or without) on growth performance, immunity, biochemical parameters, and intestinal morphology in broiler chickens challenged with Eimeria spp. At 20 days of age, all birds were challenged with a 25× dose of ACV, including Eimeria acervulina, E. maxima, E. mitis, and E. tenella. No interaction between ACV and DE was observed in terms of growth performance. Vaccinated birds showed increased feed intake (FI) and feed conversion ratio (FCR) during the 11–20 day period. Meanwhile, DE supplementation led to decreased FI and body weight gain (BWG) during the 1–10 day period. ACV effectively induced immunity against Eimeria, as evidenced by reduced oocyst shedding and less intestinal lesions, decreased levels of pro-inflammatory interleukin-6, and improved BWG during both the post infection (PI) period (21–35 days) and the entire growth period. DE supplementation lowered FCR and increased BWG during the 35–42 day period, increased the concentration of butyric acid in the cecal digesta, and lowered oocyst shedding PI. In vaccinated birds, DE elevated levels of plasma total protein and immunoglobulin M, and influenced tight junction proteins zonula occludens-1 and claudin-3, indicating a more robust epithelial barrier. DE also lowered alanine aminotransferase activity in unvaccinated birds. Both ACV and DE independently improved intestinal morphology in the jejunum, decreasing crypt depth and increasing the villus height-to-crypt ratio. These findings suggest that both ACV and DE could be effective strategies for managing coccidiosis in broiler chickens. Full article
(This article belongs to the Special Issue Advances in Nutritional Physiology of Poultry)
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12 pages, 2603 KiB  
Article
Effects of Dietary Supplemental Chlorogenic Acid and Baicalin on the Growth Performance and Immunity of Broilers Challenged with Lipopolysaccharide
by Huiyuan Lv, Peng Li, Zhiming Wang, Mingkun Gao, Guang Li, Wei Nie, Lei Xiao, Zengpeng Lv and Yuming Guo
Life 2023, 13(8), 1645; https://doi.org/10.3390/life13081645 - 28 Jul 2023
Cited by 2 | Viewed by 955
Abstract
The objective of this study was to investigate the effects of dietary supplemental chlorogenic acid and baicalin (CAB) on the growth performance and immunity of broilers challenged with lipopolysaccharide (LPS). This study was designed as a factorial arrangement of 2 dietary CAB treatments [...] Read more.
The objective of this study was to investigate the effects of dietary supplemental chlorogenic acid and baicalin (CAB) on the growth performance and immunity of broilers challenged with lipopolysaccharide (LPS). This study was designed as a factorial arrangement of 2 dietary CAB treatments × 2 LPS treatments. Birds challenged with or without LPS were fed with a basic diet (CON) and (LPS), the level of CAB diet containing 500 mg/kg CAB(CAB) and (CAB + LPS). The feeding trial lasted for 42 days. Results showed that there was a negative effect on average daily weight gain (ADG) and average body weight of broilers during the animal trial with LPS challenge. The levels of diamine oxidase (DAO), lysozyme (LYZ), immunoglobulin G (IgG), and IgA in the serum, the contents of IL-1β and TNF-α in the spleen were elevated with LPS treated. Additionally, LPS treatment tended to reduce the jejunal villi height (VH) and total superoxide dismutase (T-SOD) in the serum. Dietary supplemental 500 mg/kg CAB increased the body weight and ADG and improved the feed conversion ratio (FCR) during the trial period. In addition, dietary 500 mg/kg CAB elevated the ratio of VH to crypt depth in the jejunum and reduced the content of protein carbonyl. Beyond that, the levels of IgG and IgA in the serum and transforming growth factor (TGF-β) in the spleen were up-regulated with 500 mg/kg CAB supplementation. In conclusion, dietary CAB was beneficial for growth performance and immunity of broilers challenged with lipopolysaccharide. Full article
(This article belongs to the Special Issue Advances in Nutritional Physiology of Poultry)
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