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Agriculture
Special Issues
Current Challenges in Microbiology and Chemistry of Animal Feed
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Current Challenges in Microbiology and Chemistry of Animal Feed

A special issue of Agriculture (ISSN 2077-0472). This special issue belongs to the section "Farm Animal Production".

Deadline for manuscript submissions: 25 February 2025 | Viewed by 1042

Special Issue Editors

Dr. Marijana Sokolovic

E-Mail Website
Guest Editor
Poultry Centre, Croatian Veterinary Institute, Heinzelova 55, 10000 Zagreb, Croatia
Interests: microbiology; mycology; toxicology; feed; bacteria; moulds; mycotoxins
Prof. Dr. Camelia Tulcan

E-Mail Website
Guest Editor
Faculty of Engineering and Applied Technologies, University of Life Sciences King Mihai I from Timisoara, Timisoara, Romania
Interests: oxidative stress; bioactive compounds; phytopharmaceuticals; method validation; quality management
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Animal feed, in respect to its quality and nutrient value, is the keystone for the health and well-being of animals. It is well known that the quality of feed depends on a number of factors, including the production, selection and handling of raw materials and their production, transport, storage and final distribution. Therefore, the influence of different environmental conditions on both chemical composition and microbiological quality is inevitable. The control and use of various chemical and microbiological testing is important in obtaining the highest quality of animal feed.

The analysis of feed via standard chemical and microbiological methods has been conducted for a long period of time. However, recent genomic and scientific technology breakthroughs have greatly improved these fields of research and resulted in use of more precise methods for the detection, control and prevention of risks that animal feed can pose to human and animal health.

The aim of this Special Issue is to gather new knowledge by presenting important findings in the fields of chemistry, microbiology, and toxicology, as well as in (instrumental) techniques used for the analysis of feed.

Our wish is to encourage authors of this multi-disciplinary field of research to share their knowledge with the global scientific community and to elucidate potential problems and questions that need to be addressed in the future.

Dr. Marijana Sokolovic
Prof. Dr. Camelia Tulcan
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. Agriculture 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 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

  • microbiology
  • chemistry
  • mycology
  • toxicology
  • feed
  • microorganisms
  • mycotoxins
  • analysis

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Published Papers (2 papers)

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Research

25 pages, 2148 KiB  
Article
Isolation of Acetic Acid-Producing Bacterial Strains and Utilization as Microbial Inoculants in Sorghum Silages
by Guilherme Medeiros Leite, Edson Mauro Santos, Juliana Silva de Oliveira, Danillo Marte Pereira, Celso José Bruno de Oliveira, Jorge Vinicius Fernandes Lima Cavalcanti, Vanessa Maria Rodrigues de Lima, João Paulo Vieira de Melo Fernandes de Lima, Paloma Gabriela Batista Gomes, Ricardo Loiola Edvan, Rafael de Souza Miranda, Daniele de Jesus Ferreira, Fagton de Mattos Negrão and Anderson de Moura Zanine
Agriculture 2025, 15(3), 241; https://doi.org/10.3390/agriculture15030241 - 23 Jan 2025
Viewed by 385
Abstract
This study aimed to isolate, characterize, and identify acetic acid-producing lactic acid bacteria from fresh sorghum plants and silage, and to evaluate the effect of the isolates as microbial inoculants on taxonomic diversity and silage fermentation quality. For the first experimental stage, eight [...] Read more.
This study aimed to isolate, characterize, and identify acetic acid-producing lactic acid bacteria from fresh sorghum plants and silage, and to evaluate the effect of the isolates as microbial inoculants on taxonomic diversity and silage fermentation quality. For the first experimental stage, eight experimental silos were prepared, and the fresh sorghum plant cv. BRS Ponta Negra (Sorghum bicolor (L.) Moench.) was sampled to characterize and identify the bacteria. Five strains were chosen to be inoculated in the second experimental stage, in a 7 × 2 factorial design, with seven treatments and two opening times, in four replications. Four types of species were identified, with Lactiplantibacillus plantarum predominating at 72.73%. There was an interaction effect between treatments and opening times on effluent losses, gas losses, the population of lactic acid bacteria, yeasts, and lactic acid content. The aerobic stability treatments that stood out were Lactiplantibacillus plantarum (GML 66) and Weissella cibaria, which showed 71.75 and 68.87 h of stability. The use of Lactiplantibacillus plantarum (GML 66) as a microbial inoculant in sorghum silage increased the dry matter content, reduced effluent losses, and improved dry matter recovery. It also reduced the yeast population in the silage, promoting greater aerobic stability in the silage. Full article
(This article belongs to the Special Issue Current Challenges in Microbiology and Chemistry of Animal Feed)
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17 pages, 2979 KiB  
Article
Effects of Lactiplantibacillus plantarum and Fermentation Time on the Quality, Bacterial Community, and Functional Prediction of Silage from Lotus corniculatus L. in Karst Regions
by Yang Wang, Yang Yang, Xiaoyu Yang, Lei Huang, Puchang Wang and Lili Zhao
Agriculture 2025, 15(1), 16; https://doi.org/10.3390/agriculture15010016 - 25 Dec 2024
Viewed by 390
Abstract
Abstract: To improve the silage quality of Lotus corniculatus L. and expedite the promotion of cultivated varieties, this study investigates the impact of Lactiplantibacillus plantarum on the fermentation characteristics, bacterial community, and functional aspects of silage. The experiment included a control (CK) and [...] Read more.
Abstract: To improve the silage quality of Lotus corniculatus L. and expedite the promotion of cultivated varieties, this study investigates the impact of Lactiplantibacillus plantarum on the fermentation characteristics, bacterial community, and functional aspects of silage. The experiment included a control (CK) and a Lactiplantibacillus plantarum (LP) treatment, with sampling conducted at 3, 7, 15, and 45 days of fermentation to monitor nutritional value and fermentation quality, as well as changes in the bacterial community at 3 and 45 days. The results indicated that compared to the CK, the addition of LP significantly increased the lactic acid, dry matter, and crude protein content (p < 0.05) while substantially decreasing the water-soluble carbohydrates, pH, NH3-N, and acetic acid levels (p < 0.05). And the effect of adding LP was the most significant after 45 days of fermentation. LP promoted the growth of beneficial bacteria and inhibited harmful bacteria, with LP becoming the predominant genus and species after 45 days of fermentation. The metabolic pathway analysis revealed that the addition of LP enhanced carbohydrate metabolism and improved the replication and repair, translation, transcription, and membrane transport functions of the bacterial community. In summary, the addition of LP significantly enhances the silage quality of L. corniculatus and may serve as an effective method for promoting the application of L. corniculatus in karst regions. Full article
(This article belongs to the Special Issue Current Challenges in Microbiology and Chemistry of Animal Feed)
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