This is still in practice in villages. The cowdung is collected, diluted and smeared in the courtyard which is exposed to sun. In this blog I will be focussing on science behind this practice.
Cowdung is a great source of methane CH4. Microbes found in this cowdung are mostly anaerobic and release methane as a byproduct of their oxidation activities. When this methane in the cowdung spread comes in contact with air and sun' s heat, it is converted to formaldehyde. Formaldehyde is antimicrobial and germicidal. It even kills spores of bacteria. Thus providing as a pretty good nature friendly disinfectant.
Cowdung is a great source of methane CH4. Microbes found in this cowdung are mostly anaerobic and release methane as a byproduct of their oxidation activities. When this methane in the cowdung spread comes in contact with air and sun' s heat, it is converted to formaldehyde. Formaldehyde is antimicrobial and germicidal. It even kills spores of bacteria. Thus providing as a pretty good nature friendly disinfectant.
Cowdung has 3 to 4% of bacteria by mass, so the methane produced is proportionate. The cowdung used is diluted further, so is the amount of formaldehyde produced. This formaldehyde is volatile as well, therefore its a daily practice. Also cowdung is being tested for absorbing alpha, beta and even gamma rays. This is still a proposed theory.
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