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

Tanja Stahn, Regina Storandt, Sandra Grebenteuch, Sascha Rohn, Detlef May, Claudia Dolsdorf and Daniel Pleissner ()
Additional contact information
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
Sascha Rohn: Institute for Food and Environmental Research (ILU), Papendorfer Weg 3, 14806 Bad Belzig, 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

Sustainability, 2023, vol. 15, issue 18, 1-11

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.

Keywords: extrusion; feed; animal husbandry; side-stream valorization (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations:

Downloads: (external link)
https://www.mdpi.com/2071-1050/15/18/13774/pdf (application/pdf)
https://www.mdpi.com/2071-1050/15/18/13774/ (text/html)

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:gam:jsusta:v:15:y:2023:i:18:p:13774-:d:1240713

Access Statistics for this article

Sustainability is currently edited by Ms. Alexandra Wu

More articles in Sustainability from MDPI
Bibliographic data for series maintained by MDPI Indexing Manager ().