Vet World   Vol.18   July-2025  Article - 18 

Scopus-based bibliometric analysis of research trends in silage feed and its impact on rumen fermentation in ruminants

Tri Rachmanto Prihambodo¹ , Randi Mulianda² , Wulandari Wulandari² , Santika Anggrahini² , Novia Qomariyah² , Andi Ella² , Erna Winarti² , Yenni Yusriani² , Suyatno Suyatno² , Jhon Firison² , Deni Fitra³ , Anwar Efendi Harahap³ , Dinda Ayu Permata Sari⁴ , Taufik Hidayat⁵ , and Anuraga Jayanegara⁶

Background and Aim: Silage plays a pivotal role in ruminant nutrition, significantly influencing rumen fermentation, animal productivity, and environmental sustainability. Despite extensive research on silage and fermentation, a comprehensive synthesis of global trends and collaborations in this domain has not been systematically explored. This study aimed to conduct a bibliometric analysis of global research on silage feed and its effects on rumen fermentation in ruminants. It sought to identify publication trends, leading contributors, research themes, and international collaboration networks, thereby informing future directions in ruminant nutrition research.

Materials and Methods: A total of 1,007 documents published between 1961 and 2024 were retrieved from the Scopus database using targeted keywords. Bibliometric and network analyses were performed using VOSviewer, Bibliometrix (R package), and Microsoft Excel. Inclusion criteria were limited to peer-reviewed English-language articles focused on silage feed and rumen fermentation in ruminants. Data cleaning and preprocessing involved harmonization of author names, keywords, and institutional affiliations.

Results: Publication output has increased significantly since 2010, with China, the United States, and Canada emerging as the top contributors. Major research themes include silage quality, microbial fermentation, methane mitigation, and feed efficiency. Core journals identified include Journal of Dairy Science and Journal of Animal Science. Leading institutions such as China Agricultural University and the University of Florida demonstrated high productivity and citation impact. Keyword analysis highlighted emerging trends, including microbiome, methanogenesis, and sustainability. Collaboration network analysis revealed strong regional clusters, with North America and Europe forming central hubs, while Asia and South America showed growing but less integrated networks.

Conclusion: Research on silage and rumen fermentation has evolved from foundational studies to interdisciplinary approaches integrating microbiology, environmental science, and precision agriculture. The field is rapidly expanding, with increasing emphasis on reducing methane emissions and enhancing livestock performance through improved silage practices. However, global collaboration remains fragmented, particularly in underrepresented regions. Future research should focus on metagenomics, smart technologies (e.g., Artificial Intelligence and Internet of Things), and policy-driven strategies to optimize feed systems and support sustainable livestock production.

Keywords: bibliometric analysis, international collaboration, methane mitigation, microbiome, rumen fermentation, ruminants, silage feed, sustainability.

How to cite this article: Prihambodo TR, Mulianda R, Wulandari W, Anggrahini S, Qomariyah N, Ella A, Winarti E, Yusriani Y, Suyatno S, Firison J, Fitra D, Harahap AE, Sari DAP, Hidayat T, and Jayanegara A (2025) Scopus-based bibliometric analysis of research trends in silage feed and its impact on rumen fermentation in ruminants, Veterinary World, 18(7): 1972-1990.

Received: 19-02-2025   Accepted: 20-06-2025   Published online: 22-07-2025

Corresponding author: Randi Mulianda    E-mail: randimulianda@gmail.com

DOI: 10.14202/vetworld.2025.1972-1990

Copyright: Prihambodo, et al. This article is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http:// creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.