Aerobic deterioration of grass silage: the need to couple models and experiments

Autor:	G. J. Gibson, G. D. Ruxton
Rok vydání:	1994
Předmět:	Silage business.industry Heat losses Model parameters Management Monitoring Policy and Law Biology Yeast Model validation Biotechnology Scientific method Biochemical engineering Sensitivity (control systems) business Agronomy and Crop Science
Zdroj:	Grass and Forage Science. 49:458-464
ISSN:	1365-2494 0142-5242
DOI:	10.1111/j.1365-2494.1994.tb02023.x
Popis:	A mathematical model of the aerobic stability of grass silage is presented. The model is shown to predict as well as more complex models previously published. Sensitivity analysis performed on model parameters suggests that current understanding of the temperature dependence of yeast growth needs to be advanced in order to produce more accurate models of deterioration. Inhibition of yeast growth by organic acids is identified as a critical process worthy of further investigation. We discuss how model validation experiments must identify different yeast species and track their growth separately. Such experiments should also attempt to minimize or measure heat losses.
Databáze:	OpenAIRE
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