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Effect of Agro-Industrial by Products Derived from Volatile Fatty Acids on Ruminant Feed In Vitro Digestibility
University of Borås, Faculty of Textiles, Engineering and Business. Swedish Centre for Resource Recovery, University of Borås, 501 90 Borås, Sweden. (Swedish Centre for Resource Recover)ORCID iD: 0000-0002-4709-6631
Department of Animal Nutrition and Management, Swedish University of Agricultural Sciences, P.O. Box 7024, 750 07 Uppsala, Sweden.ORCID iD: 0000-0002-3952-5002
University of Borås, Faculty of Textiles, Engineering and Business. Swedish Centre for Resource Recovery, University of Borås, 501 90 Borås, Sweden.ORCID iD: 0000-0003-4887-2433
University of Borås, Faculty of Textiles, Engineering and Business. Swedish Centre for Resource Recovery, University of Borås, 501 90 Borås, Sweden.ORCID iD: 0000-0001-6280-4483
2024 (English)In: Animals, E-ISSN 2076-2615, Vol. 14, no 16, article id 2330Article in journal (Refereed) Published
Sustainable development
According to the author(s), the content of this publication falls within the area of sustainable development.
Abstract [en]

The growing demand for sustainable ruminant feed alternatives has motivated the application of bioconversion approaches for the valorization of agro-food byproducts (AFB) into feed additives and supplements. The present study thoroughly investigated substituting volatile fatty acids (VFAs) obtained from acidogenic fermentation (AF) of AFB as an energy source in ruminant feed. Rumen in vitro digestibility assays were conducted utilizing the gas production method, wherein the VFAs obtained from AF of apple pomace and potato protein liquor was substituted with partial silage and concentrate energy at levels of 10%, 20%, and 30%. The results indicate that substituting 20% of the concentrate’s energy with VFA mixture significantly reduced methane production and had no adverse effect on the production and accumulation of VFAs in the simulated rumen media. Conversely, replacing 10% of the silage energy with VFAs led to a decrease in methane production and further enhanced the production of VFAs. Readily digestible VFAs in ruminant feed have the potential to enhance energy availability and sustainability in ruminant farming practices, aligning with the principles of circular economy and waste valorization. 

Place, publisher, year, edition, pages
2024. Vol. 14, no 16, article id 2330
Keywords [en]
acidogenic fermentation, agro-food byproducts, membrane bioreactor, ruminant feed alternative, sustainability
National Category
Industrial Biotechnology Animal and Dairy Science
Research subject
Resource Recovery
Identifiers
URN: urn:nbn:se:hb:diva-32514DOI: 10.3390/ani14162330ISI: 001305709900001Scopus ID: 2-s2.0-85202624830OAI: oai:DiVA.org:hb-32514DiVA, id: diva2:1896069
Funder
Vinnova, 2020-03664Swedish Research Council Formas, 2021-02458Available from: 2024-09-09 Created: 2024-09-09 Last updated: 2024-11-06Bibliographically approved

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Parchami, MiladTaherzadeh, Mohammad JMahboubi, Amir

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