Affiliation:
1. Biotechnology and Bio‐Resource Development Laboratory (BioVar) Moulay Ismail University Zitoune Meknes Morocco
2. Laboratory of Plant, Animal and Agro‐Industry Productions University of Ibn Tofail Kenitra Morocco
3. Polyvalent Team in Research and Development, Department of Biology Faculté Polydisciplinaire Beni Mellal Beni‐Mellal Morocco
4. Department of Food Science, Faculty of Agricultural and Food Sciences Laval University Quebec City Quebec Canada
5. Department of Pharmaceutics, College of Pharmacy King Saud University Riyadh Saudi Arabia
6. Department of Translation, Faculty of Arts University of Khartoum Khartoum Sudan
7. Laboratory of Biotechnology and Natural Resources Valorization, Faculty of Sciences Ibn Zohr University Agadir Morocco
Abstract
AbstractThis study delves into the dynamic interaction between various fungal strains, substrates, and treatment durations to optimize the nutritional value of these by‐products. Six fungi, including Penicillium chrysogenum, Fusarium sp., Fusarium oxysporum, Fusarium solani, Penicillium crustosum, and Cosmospora viridescens, were evaluated across three substrates: wheat straw (WS), cedar sawdust (CW), and olive pomace (OP) over treatment periods of 4, 8, and 12 weeks. The study discerned profound impacts of these fungi across multiple parameters, including cellulose variation (C.var), lignin variation (L.var), and in vitro true digestibility variation (IVTD.var). Our results demonstrated that the various fungi had a significant effect on all parameters (p < .001). Noteworthy, F. oxysporum and F. solani emerged as exemplars, displaying notable lignin degradation, cellulose liberation, and IVTD enhancement. Importantly, P. crustosum demonstrated substantial cellulose degradation, exhibiting optimal efficacy in just 4 weeks for all substrates. Notably, F. sp. excelled, yielding favorable results when treating WS. P. chrysogenum achieved optimal outcomes with 8‐week treatment for WS. Both Fusarium sp. and P. chrysogenum exhibited slight cellulose release, with remarkable reduction of WS lignin compared to other substrates. Especially, WS and OP displayed superior digestibility enhancements relative to CW. It should be noted that the treatment duration further shaped these outcomes, as prolonged treatment (12 weeks) fostered greater benefits in lignin degradation and digestibility, albeit with concomitant cellulose degradation. These findings underscore the intricate balance between fungal strains, substrates, and treatment durations in optimizing the nutritional value of lignocellulosic agro‐industrial by‐products. The outcomes of this study lead to the enhancement in the overall value of by‐products, promoting sustainable livestock feed and advancing agricultural sustainability.
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1 articles.
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