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Cattle Boards
Grasses, Pastures & Hay
Hay storage/spontaneous combustion question
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<blockquote data-quote="greybeard" data-source="post: 1258969" data-attributes="member: 18945"><p>Both. Mold and heat go hand in hand. A pretty good explanation:</p><p><em>Initially, plant respiration (enzyme activity), mould (fungi) and bacterial activity generate heat in stored damp hay. As temperatures rise to 43 – 66°C, heat resistant (thermophilic) bacteria and fungi grow, driving the temperature higher. These microbes die once temperatures reach about 80°C. However, when internal bale temperatures reach about 80°C or above, exothermic chemical reactions (oxidation) are initiated which can create localized hotspots in the bale. Temperatures here can rapidly increase to about 150°C or greater, associated with increasing risk of spontaneous combustion as these localized temperatures rise.</em></p></blockquote><p></p>
[QUOTE="greybeard, post: 1258969, member: 18945"] Both. Mold and heat go hand in hand. A pretty good explanation: [i]Initially, plant respiration (enzyme activity), mould (fungi) and bacterial activity generate heat in stored damp hay. As temperatures rise to 43 – 66°C, heat resistant (thermophilic) bacteria and fungi grow, driving the temperature higher. These microbes die once temperatures reach about 80°C. However, when internal bale temperatures reach about 80°C or above, exothermic chemical reactions (oxidation) are initiated which can create localized hotspots in the bale. Temperatures here can rapidly increase to about 150°C or greater, associated with increasing risk of spontaneous combustion as these localized temperatures rise.[/i] [/QUOTE]
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Hay storage/spontaneous combustion question
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