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Animals
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Novel Feed Additives in Livestock and Poultry Nutrition
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Novel Feed Additives in Livestock and Poultry Nutrition

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 1668

Special Issue Editors

Prof. Dr. In Ho Kim

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Guest Editor
Department of Animal Biotechnology, Dankook University, Cheonan, Republic of Korea
Interests: swine nutrition; liquid feeding program; feed additive; dietary probiotic blend
Special Issues, Collections and Topics in MDPI journals
Dr. Shanmugam Sureshkumar

E-Mail Website
Guest Editor
Department of Animal Biotechnology, Dankook University, Cheonan, Republic of Korea
Interests: alternative feed additive; probiotics; organic acid; oral administration; chickens
Special Issues, Collections and Topics in MDPI journals
Dr. Vetriselvi Sampath

E-Mail
Guest Editor
Department of Animal Biotechnology, Dankook University, Cheonan, Republic of Korea
Interests: yeast; enzyme; broilers; excreta microflora; swine; poultry

Special Issue Information

Dear Colleagues,

The livestock and poultry industries are at a pivotal moment as they strive to meet the growing demand for safe, nutritious, and sustainably produced animal products. This shift is driven by heightened consumer awareness, stricter regulations on antibiotic use, and an overarching need for more environmentally responsible farming practices. As a result, the development and application of next-generation feed additives have gained substantial attention as viable solutions to these multifaceted challenges.

Feed additives have long been an essential component of animal nutrition, enhancing feed efficiency, promoting growth, and improving animal health. However, with the current constraints on the use of antibiotic growth-promoters, novel feed additives are becoming indispensable for maintaining and boosting livestock and poultry health without contributing to antimicrobial resistance. For this Special Issue, we invite original research papers covering any of the following: alternatives to antibiotic feed additives; non-ruminant animal nutrition; growth-promoting properties; food safety; food security; and functional foods.

Prof. Dr. In Ho Kim
Dr. Shanmugam Sureshkumar
Dr. Vetriselvi Sampath
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. 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

  • probiotics
  • phytogenic
  • emulsifiers
  • organic acids
  • bacteriophages
  • livestock

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Published Papers (3 papers)

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Research

18 pages, 260 KiB  
Article
Effects of Supplementation with Encapsulated Different Postbiotics, Alone or with Inulin, on Growth Performance, Carcass and Organ Characteristics, Blood Parameters, Growth Hormone, and Insulin-like Growth Factor mRNA in Broilers
by Helin Atan Çırpıcı and Figen Kırkpınar
Animals 2025, 15(7), 1010; https://doi.org/10.3390/ani15071010 - 31 Mar 2025
Viewed by 438
Abstract
This study aimed to evaluate the effects of encapsulated postbiotics derived from various probiotic microorganisms, alone or in combination with inulin, on the growth performance, carcass traits, organ weights, blood parameters, and mRNA expression of selected hormones in broilers. A total of 588 [...] Read more.
This study aimed to evaluate the effects of encapsulated postbiotics derived from various probiotic microorganisms, alone or in combination with inulin, on the growth performance, carcass traits, organ weights, blood parameters, and mRNA expression of selected hormones in broilers. A total of 588 one-day-old male Ross-308 chicks were randomly designated to six replicates of seven dietary treatments (initial body weight: 40.85 ± 0.56 g, per replicate, n = 14 chicks). The treatments consisted of a basal diet (C), supplemented with encapsulated postbiotics (0.30%) derived from Lactobacillus plantarum (ELP), Bacillus subtilis (EBS), or Enterococcus faecium (EEF), as well as combinations of these encapsulated postbiotics with 1.0% inulin (ELPI, EBSI, and EEFI) for six weeks. The results demonstrated that the body weight and body weight gain of birds that were fed diets supplemented with encapsulated postbiotics or their combinations with inulin significantly increased in comparison to the C group (p < 0.001). Feed intake (FI) remained unaffected during days 1–21, as did feed conversion ratios (FCR) during days 22–42, and days 1–42 demonstrated no significant differences (p > 0.05). However, FCR improved during days 1–21, and FI increased during days 22–42 and 1–42 (p < 0.05). Carcass yield, including breast, thigh, and abdominal fat yields, was enhanced (p < 0.001). Although the relative weights of the heart, spleen, pancreas, and liver were unaffected (p > 0.05), the relative weight of the bursa of Fabricius increased (p < 0.001). Serum antioxidant status and immunoglobulin A and M levels were higher, while liver enzymes, cholesterol, triglycerides, and total oxidant status were lower in the supplemented groups compared to the control group (p < 0.001). Serum glucose and protein levels remained unchanged (p > 0.05). The mRNA expression of growth hormone and insulin-like growth factor was upregulated in the supplemented groups (p < 0.001). In conclusion, encapsulated postbiotics (0.30%) derived from different probiotics, alone or combined with inulin (1.0%), positively influenced growth performance, carcass traits, and immunity in male broilers. Full article
(This article belongs to the Special Issue Novel Feed Additives in Livestock and Poultry Nutrition)
15 pages, 1292 KiB  
Article
Effects of a Phosphorus-Binding Feed Supplement on the Blood P and Ca Levels in Dairy Cows
by Viktor Jurkovich, Mikolt Bakony, Per Theilgaard, Levente Kovács and Hedvig Fébel
Animals 2025, 15(7), 959; https://doi.org/10.3390/ani15070959 - 27 Mar 2025
Viewed by 520
Abstract
Subclinical hypocalcemia negatively impacts dairy cows’ health, milk production, and reproduction, posing a global challenge. This study evaluated the effects of aluminum sulfate supplementation in the close-up diet to reduce blood phosphorus levels and prevent postpartum hypocalcemia. Thirty-four cows were assigned to the [...] Read more.
Subclinical hypocalcemia negatively impacts dairy cows’ health, milk production, and reproduction, posing a global challenge. This study evaluated the effects of aluminum sulfate supplementation in the close-up diet to reduce blood phosphorus levels and prevent postpartum hypocalcemia. Thirty-four cows were assigned to the Control (CTRL, n = 17) and Treatment (TRT, n = 17) groups. The TRT group received 400 g/cow/day of aluminum sulfate at least 14 days before calving, with identical post-calving diets. Blood samples were analyzed for total and ionized calcium (tCa, iCa), phosphorus (P), magnesium (Mg), and beta-hydroxybutyrate (BHB). Milk yields were recorded. TRT cows had 0.22, 0.18, and 0.14 mmol/L higher tCa levels than CTRL cows at 12 h, 1 d, and 2 d postpartum, respectively, with elevated iCa levels from 10 days prepartum to 3 days postpartum. Lower serum P levels were observed in TRT cows until day 2 postpartum, while Mg levels remained similar. BHB levels differed only on day 14 postpartum. These findings suggest that aluminum sulfate supplementation effectively lowers serum P and increases tCa, offering a promising strategy for hypocalcemia prevention in dairy cows. Full article
(This article belongs to the Special Issue Novel Feed Additives in Livestock and Poultry Nutrition)
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18 pages, 1398 KiB  
Article
Even Low Amounts of Amorphous Lignocellulose Affect Some Upper Gut Parameters, but They Do Not Modify Ileal Microbiota in Young Broiler Chickens
by Valéria Farkas, András Mayer, Judit Poór, Eszter Péterné Farkas, Kesete Goitom Tewelde, Brigitta Kiss, Nikoletta Such, László Pál, Gábor Csitári and Károly Dublecz
Animals 2025, 15(6), 851; https://doi.org/10.3390/ani15060851 - 16 Mar 2025
Viewed by 341
Abstract
A feeding trial was carried out using 576 Ross 308 male chickens to test the effects of an amorphous lignocellulose (LC) product (Arbocel). Three dietary treatments (control, 0.5% LC (LC 0.5), and 0.8% LC (LC 0.8) were used, and the diets were fed [...] Read more.
A feeding trial was carried out using 576 Ross 308 male chickens to test the effects of an amorphous lignocellulose (LC) product (Arbocel). Three dietary treatments (control, 0.5% LC (LC 0.5), and 0.8% LC (LC 0.8) were used, and the diets were fed in eight replicate pens of 24 chickens. The LC treatments did not modify the weight gain of the chickens, but they tended to decrease the feed intake and FCR in the grower phase. The high swelling characteristics of LC resulted in lower dry matter (DM) contents in the crop (p < 0.002) and gizzard (p < 0.047) on day 14 and day 24, respectively. The lower pH in the gizzard and duodenum of LC diets suggests longer retention time and more HCl secretion in the proventriculus and gizzard. Except for α-amylase on day 24, the treatments did not modify the digestive enzyme content of the jejunum. The microbiota diversity and microbiota composition of ileal contents were affected only by the age of birds. The results suggest that the LC product can exert its potential positive effects mainly in the upper part of the digestive tract due to its special physical characteristics. LC can slow down the passage rate in the gizzard and modify the digestion and the dynamics of water absorption from the jejunum and ileum. Full article
(This article belongs to the Special Issue Novel Feed Additives in Livestock and Poultry Nutrition)
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