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Utilization of Brewer’s Spent Grains and Agricultural Residues in Pig Feed Formation

Author

Listed:
  • Tanja Stahn

    (Institute for Food and Environmental Research (ILU), Papendorfer Weg 3, 14806 Bad Belzig, Germany)

  • Regina Storandt

    (Institute for Food and Environmental Research (ILU), Papendorfer Weg 3, 14806 Bad Belzig, Germany)

  • Sandra Grebenteuch

    (Institute for Food and Environmental Research (ILU), Papendorfer Weg 3, 14806 Bad Belzig, Germany
    Department of Food Chemistry and Analysis, Institute of Food Technology and Food Chemistry, Technische Universität Berlin, Gustav-Meyer-Allee 25, 13355 Berlin, Germany)

  • Sascha Rohn

    (Institute for Food and Environmental Research (ILU), Papendorfer Weg 3, 14806 Bad Belzig, Germany
    Department of Food Chemistry and Analysis, Institute of Food Technology and Food Chemistry, Technische Universität Berlin, Gustav-Meyer-Allee 25, 13355 Berlin, Germany)

  • Detlef May

    (Teaching and Research Station for Animal Breeding and Husbandry (LVAT), Neue Chaussee 6, 14550 Groß Kreutz, Germany)

  • Claudia Dolsdorf

    (Teaching and Research Station for Animal Breeding and Husbandry (LVAT), Neue Chaussee 6, 14550 Groß Kreutz, Germany)

  • Daniel Pleissner

    (Institute for Food and Environmental Research (ILU), Papendorfer Weg 3, 14806 Bad Belzig, Germany
    Sustainable Chemistry (Resource Efficiency), Institute of Sustainable Chemistry, Leuphana University of Lüneburg, Universitätsallee 1, C13.203, 21335 Lüneburg, Germany)

Abstract

In this study, brewer’s spent grains (BSG)-raw matrix was technologically and functionally improved by adding natural active ingredient carriers (crushed wheat, rapeseed, and pumpkin seed press cake) and using planetary roller extrusion and used as feed additive for pigs. Feeding trials were run for 189 days using 60 pigs with an age of 28 days. Pigs were grouped in a control group (fed with organic basic feed) and two experimental groups (fed with BSG 1 or BSG 2 in addition to organic basic feed). The 20 animals per group gained similar weight in the control group (306 g day −1 and 725 g day −1 ) and in the group fed with BSG 1 (282 g day −1 and 627 g day −1 ) or BSG 2 (250 g day −1 598 g day −1 ) in addition during rearing and fattening phases, respectively. Carcass evaluation revealed that meat quality did not differ between control and experimental groups. The BSG-based feed formulations tested seem to not result in negative effects on weight gain nor on meat quality. Animals were generally of good health and marketable quality, and thus the outcomes of this study are expected to contribute to an improved utilization strategy of brewer’s spent grains from breweries.

Suggested Citation

  • Tanja Stahn & Regina Storandt & Sandra Grebenteuch & Sascha Rohn & Detlef May & Claudia Dolsdorf & Daniel Pleissner, 2023. "Utilization of Brewer’s Spent Grains and Agricultural Residues in Pig Feed Formation," Sustainability, MDPI, vol. 15(18), pages 1-11, September.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:18:p:13774-:d:1240713
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    References listed on IDEAS

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    1. Maximilian Kardung & Kutay Cingiz & Ortwin Costenoble & Roel Delahaye & Wim Heijman & Marko Lovrić & Myrna van Leeuwen & Robert M’Barek & Hans van Meijl & Stephan Piotrowski & Tévécia Ronzon & Johanne, 2021. "Development of the Circular Bioeconomy: Drivers and Indicators," Sustainability, MDPI, vol. 13(1), pages 1-24, January.
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    1. Somindu Wachong Kum & Diego Voccia & Maximilian Grimm & Federico Froldi & Nicoleta Alina Suciu & Lucrezia Lamastra, 2025. "Reducing the Environmental Impacts of Pig Production Through Feed Reformulation: A Multi-Objective Life Cycle Assessment Optimisation Approach," Sustainability, MDPI, vol. 17(18), pages 1-27, September.

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