Journal article
Proof of concept for developing novel feeds for cattle from wasted food and crop biomass to enhance agri-food system efficiency
SCIENTIFIC REPORTS, v 12(1), 13630
10 Aug 2022
PMID: 35948608
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Modern agri-food systems generate large amounts of crop-based biomass that are unfit for direct human consumption but potentially suitable for livestock feeding in production of meats, milk, and eggs. This study aims to develop novel feeds for cattle from some of those biomass materials through the natural microbial-driven processes of ensiling. Fruit and vegetables resembling supermarket discards were ensiled alone or co-ensiled with corn crop residues, mushroom wastes, etc. via laboratory experiments. Longitudinal sample analyses showed that (co-)ensiling was successful, with pH and fermentation acids changing rapidly into desirable ranges (pH < 4.5, the acids 5-13% DM with lactic acid dominating). The (co-)ensiled products had key nutritional parameters comparable to those of good quality forages commonly used on dairy farms. Additionally, in vitro incubation experiments indicated that the ensiled products could substitute certain conventional feeds while maintaining diet digestibility. Findings from this pilot study provide a proof of principle that quality novel feeds for cattle can be generated by co-ensiling food discards and low-value crop residues. Future research and animal feeding trials to demonstrate the utility of this approach can help societies more effectively utilize untapped biomass resources, strengthening the regenerative capacity of agri-food systems towards a more sustainable food future.
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Details
- Title
- Proof of concept for developing novel feeds for cattle from wasted food and crop biomass to enhance agri-food system efficiency
- Publication Details
- SCIENTIFIC REPORTS, v 12(1), 13630
- Publisher
- NATURE PORTFOLIO; BERLIN
- Grant note
- We thank Dr. Jianxin Liu of Zhejiang University and Dr. Chuncheng Xu of China Agricultural University for helpful discussion regarding ensiling experimental setup and conditions. This research is supported in part by a Penn Global Engagement grant and a Pennsylvania Department of Agriculture research grant. Additional support is provided by Agriculture and Food Research Initiative Competitive Grant no. 2022-68014-36664 from the USDA National Institute of Food and Agriculture.
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Drexel University
- Web of Science ID
- WOS:000838755800031
- Scopus ID
- 2-s2.0-85135786491
- Other Identifier
- 991021861187904721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Agriculture, Dairy & Animal Science