Former Food and Agro-Industrial By-Products in Dairy Cow Diets: Effects on Milk Quality and Cheese Production

The use of former foodstuff and by-products in cow diets could improve the environmental sustainability of livestock. However, knowledge about the effects of these feeds in ruminant diets on the quality of dairy products is lacking. This study investigated the effects of integrating wheat distillers...

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Main Authors: Ludovica Maria Eugenia Mammi, Francesca Ghiaccio, Elisa Benini, Carla Giuditta Vecchiato, Isa Fusaro, Giovanni Buonaiuto, Damiano Cavallini, Alberto Palmonari, Giorgia Canestrari, Riccardo Colleluori, Andrea Formigoni
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Language:English
Published: MDPI AG 2025-04-01
Series:Animals
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Online Access:https://www.mdpi.com/2076-2615/15/8/1113
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author Ludovica Maria Eugenia Mammi
Francesca Ghiaccio
Elisa Benini
Carla Giuditta Vecchiato
Isa Fusaro
Giovanni Buonaiuto
Damiano Cavallini
Alberto Palmonari
Giorgia Canestrari
Riccardo Colleluori
Andrea Formigoni
author_facet Ludovica Maria Eugenia Mammi
Francesca Ghiaccio
Elisa Benini
Carla Giuditta Vecchiato
Isa Fusaro
Giovanni Buonaiuto
Damiano Cavallini
Alberto Palmonari
Giorgia Canestrari
Riccardo Colleluori
Andrea Formigoni
author_sort Ludovica Maria Eugenia Mammi
collection DOAJ
description The use of former foodstuff and by-products in cow diets could improve the environmental sustainability of livestock. However, knowledge about the effects of these feeds in ruminant diets on the quality of dairy products is lacking. This study investigated the effects of integrating wheat distillers’ grain with solubles (WDGS) and a former foodstuff product (FFP) into the diet of dairy cows on milk and cheese quality. The environmental impact of the two feeding systems has been evaluated by LCA. A double crossover design was set up with 84 Holstein cows, alternating a control diet and a circular one. In the circular diet, traditional feeds were partially replaced with 4 kg/d WDGS and 3 kg/d FFP. The results showed no effects on dry matter intake and milk yield, while fiber digestibility improved. A reduction in the milk fat content and a modification of the fatty acid profile of milk and cheese were observed. Conversely, cheese yield, composition, and sensory attributes were not affected. The environmental impact of the diet was significantly reduced in terms of land occupation, net fresh water, and global warming potential. These findings suggest that these feeds can be safely included in dairy cow diets. This approach could significantly contribute to reducing greenhouse gas emissions, enhancing the sustainability of the dairy system.
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spelling doaj-art-e10796732f0e4943a27e3b13ccffa4fa2025-08-20T02:28:19ZengMDPI AGAnimals2076-26152025-04-01158111310.3390/ani15081113Former Food and Agro-Industrial By-Products in Dairy Cow Diets: Effects on Milk Quality and Cheese ProductionLudovica Maria Eugenia Mammi0Francesca Ghiaccio1Elisa Benini2Carla Giuditta Vecchiato3Isa Fusaro4Giovanni Buonaiuto5Damiano Cavallini6Alberto Palmonari7Giorgia Canestrari8Riccardo Colleluori9Andrea Formigoni10Department of Veterinary Medical Sciences, University of Bologna, 40064 Ozzano Emilia, ItalyDepartment of Veterinary Medical Sciences, University of Bologna, 40064 Ozzano Emilia, ItalyDepartment of Veterinary Medical Sciences, University of Bologna, 40064 Ozzano Emilia, ItalyDepartment of Veterinary Medical Sciences, University of Bologna, 40064 Ozzano Emilia, ItalyFaculty of Veterinary Medicine, University of Teramo, 64100 Teramo, ItalyDepartment of Veterinary Medical Sciences, University of Bologna, 40064 Ozzano Emilia, ItalyDepartment of Veterinary Medical Sciences, University of Bologna, 40064 Ozzano Emilia, ItalyDepartment of Veterinary Medical Sciences, University of Bologna, 40064 Ozzano Emilia, ItalyDepartment of Veterinary Medical Sciences, University of Bologna, 40064 Ozzano Emilia, ItalyDepartment of Veterinary Medical Sciences, University of Bologna, 40064 Ozzano Emilia, ItalyDepartment of Veterinary Medical Sciences, University of Bologna, 40064 Ozzano Emilia, ItalyThe use of former foodstuff and by-products in cow diets could improve the environmental sustainability of livestock. However, knowledge about the effects of these feeds in ruminant diets on the quality of dairy products is lacking. This study investigated the effects of integrating wheat distillers’ grain with solubles (WDGS) and a former foodstuff product (FFP) into the diet of dairy cows on milk and cheese quality. The environmental impact of the two feeding systems has been evaluated by LCA. A double crossover design was set up with 84 Holstein cows, alternating a control diet and a circular one. In the circular diet, traditional feeds were partially replaced with 4 kg/d WDGS and 3 kg/d FFP. The results showed no effects on dry matter intake and milk yield, while fiber digestibility improved. A reduction in the milk fat content and a modification of the fatty acid profile of milk and cheese were observed. Conversely, cheese yield, composition, and sensory attributes were not affected. The environmental impact of the diet was significantly reduced in terms of land occupation, net fresh water, and global warming potential. These findings suggest that these feeds can be safely included in dairy cow diets. This approach could significantly contribute to reducing greenhouse gas emissions, enhancing the sustainability of the dairy system.https://www.mdpi.com/2076-2615/15/8/1113former foodwheat distiller graincircular economycheese qualitydairy cowlivestock environmental sustainability
spellingShingle Ludovica Maria Eugenia Mammi
Francesca Ghiaccio
Elisa Benini
Carla Giuditta Vecchiato
Isa Fusaro
Giovanni Buonaiuto
Damiano Cavallini
Alberto Palmonari
Giorgia Canestrari
Riccardo Colleluori
Andrea Formigoni
Former Food and Agro-Industrial By-Products in Dairy Cow Diets: Effects on Milk Quality and Cheese Production
Animals
former food
wheat distiller grain
circular economy
cheese quality
dairy cow
livestock environmental sustainability
title Former Food and Agro-Industrial By-Products in Dairy Cow Diets: Effects on Milk Quality and Cheese Production
title_full Former Food and Agro-Industrial By-Products in Dairy Cow Diets: Effects on Milk Quality and Cheese Production
title_fullStr Former Food and Agro-Industrial By-Products in Dairy Cow Diets: Effects on Milk Quality and Cheese Production
title_full_unstemmed Former Food and Agro-Industrial By-Products in Dairy Cow Diets: Effects on Milk Quality and Cheese Production
title_short Former Food and Agro-Industrial By-Products in Dairy Cow Diets: Effects on Milk Quality and Cheese Production
title_sort former food and agro industrial by products in dairy cow diets effects on milk quality and cheese production
topic former food
wheat distiller grain
circular economy
cheese quality
dairy cow
livestock environmental sustainability
url https://www.mdpi.com/2076-2615/15/8/1113
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