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5.2
2.7
Journals
Animals
Special Issues
Poultry Nutritional Requirements
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Poultry Nutritional Requirements

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

Deadline for manuscript submissions: 31 December 2025 | Viewed by 146

Special Issue Editor

Prof. Dr. Fernando Guilheme Perazzo Costa

E-Mail Website
Guest Editor
Departamento de Zootecnia, Universidade Federal da Paraíba, Rodovia PB-079, Areia 58397-000, PB, Brazil
Interests: poultry; broilers; laying hens; quails; animal production; poultry nutritional requirements

Special Issue Information

Dear Colleagues,

The nutritional requirements of poultry can be categorized into two main areas: maintenance and production. Maintenance requirements refer to the energy and nutrients required to keep poultry healthy, while production requirements involve the needs related to growth, reproduction, and egg production. When the feed does not meet poultry's nutritional requirements, it can lead to health issues. Excessive intake of certain nutrients may also harm poultry welfare or contribute to environmental pollution.

Over the past 10 to 20 years, research has been published on improvements in our understanding of the role of nutrients in poultry health, their mechanisms, and digestible nutrients for feed ingredient evaluation, but there remains immense room for improvement in precisely defining poultry nutritional requirements, metabolic patterns, and nutrient interactions in different production systems.

This Special Issue aims to publish research related to the nutritional needs of poultry, including aspects such as energy, amino acids, and micronutrients, as well as studies on deficiencies or diseases caused by imbalances in these nutritional requirements.

I look forward to receiving your contributions.

Prof. Dr. Fernando Guilheme Perazzo Costa
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

  • poultry
  • requirements
  • energy
  • amino acid
  • vitamins
  • trace elements

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Published Papers (1 paper)

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Research

21 pages, 1971 KiB  
Article
Soybean β-Conglycinin Inhibits Broiler Growth and Nutrient Utilization by Inducing Allergic and Inflammatory Responses, Impairing Intestinal Barrier Integrity and Altering Cecal Microbiota
by Yusong Du, Zixi Yu, Shasha Wan, Yunfei Li, Rujie Liu, Jiaxuan Zhang, Zewei Sun and Qingzhen Zhong
Animals 2025, 15(12), 1701; https://doi.org/10.3390/ani15121701 - 9 Jun 2025
Abstract
This study aimed to comprehensively investigate the impact of soybean β-conglycinin on broiler growth performance, nutrient utilization, allergic and inflammatory responses, intestinal barrier integrity, and cecal microbiota. A total of 168 newly hatched (1-day-old) Arbor Acres broilers with similar body weights were [...] Read more.
This study aimed to comprehensively investigate the impact of soybean β-conglycinin on broiler growth performance, nutrient utilization, allergic and inflammatory responses, intestinal barrier integrity, and cecal microbiota. A total of 168 newly hatched (1-day-old) Arbor Acres broilers with similar body weights were randomly divided into 6 treatment groups with 4 replicates of 7 broilers per replicate: the control group received a soybean-free basal diet, while the remaining five experimental groups were provided with diets supplemented with purified soybean β-conglycinin at the doses of 1%, 2%, 3%, 4%, and 5%. The results demonstrated that dietary 1–5% β-conglycinin supplementation significantly reduced the growth performance, nutrient utilization, and content of digestive enzymes in broilers (p < 0.05). Dietary 1–5% β-conglycinin supplementation also significantly increased the serum levels of histamine, β-conglycinin-specific IgY and IgM, TNF-α, and IL-6 and decreased IL-10 levels; the 3% group had the highest levels of histamine, TNF-α, and IL-6 and the lowest levels of IL-10 (p < 0.05). β-conglycinin supplementation significantly down-regulated the mRNA expression of tight junction proteins, MUC2 and IL-10, and up-regulated the expression of TNF-α and IL-6 in the small intestinal mucosa (p < 0.05). Furthermore, the Shannon and Simpson indices were significantly reduced by dietary 1–5% β-conglycinin administration (p < 0.05). The relative abundance of beneficial bacteria (Blautia, Lactobacillus, and Butyricoccus) was significantly decreased in all treatments (p < 0.05). Taken together, these findings suggest that β-conglycinin induces allergic and inflammatory responses, impairs intestinal barrier integrity, and alters the intestinal microbial balance, ultimately leading to reduced nutrient utilization and inhibited growth in broilers. Notably, our study demonstrated that dietary supplementation with 1% β-conglycinin already had various negative effects on broilers, and particularly supplemental 3% β-conglycinin induced serious allergic and inflammatory reactions. Therefore, in the present study, it is recommended that the inclusion level of β-conglycinin in broiler formula feed should not exceed 1%, i.e., the β-conglycinin content in the diet should not exceed 0.6% (converted from β-conglycinin purification purity). Full article
(This article belongs to the Special Issue Poultry Nutritional Requirements)
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