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Compost Heap. Horse Manure. Pathogens.
Ed ex@directory wrote:
No, I not no expert scientist or nothing nor read scientific papers. I am just a gardener. But I see a few articles on the web that says if you maintain a hot heap then it will kill pathogens.. If you run a cold heap then these things are not killed off with the heat. Hence my concern. If there is nothing to kill off, then why worry. Many compost heaps have diseased plant material that can harm plants. There is a concern then. But non-caninvore and non-omnivore waste is not a major concern. The hydrogen sulfide, methane, ammonia, and carbon dioxide given off by fresh manure are concerns in hot or cold compost heaps. Horse manure is a solid waste excluded from federal regulation because it neither contains significant amounts of listed hazardous components, nor exhibits hazardous properties. C. tetani is reportedly found in equine manure, but does not represent a source of significant public health risk. Many common equine helminths (worms, bots, etc.) are pathogenic to domestic animals but are not pathogenic to man. Generally speaking, horse guts do not contain the 120 viruses and constituents of concern in human, dog and cat feces (carnivores and omnivores). Most viruses with zoonotic potential (animals infecting humans) are not found in horse wastes. Pathogens of primary concern are waterborne microorganisms that usually follow ingestion pathways into the body. Transmission can also occur through direct oral-fecal exposure. These include Cryptosporidium parvum , Giardia duodenalis, Campylocbacter spp, Salmonella spp., pathogenic strains of E. coli, andYersinia spp. By far, C. parvum and Giardia are the two of most concern because they have very low thresholds of infectious dose. People infected by these organisms may exhibit a range of symptoms from mild abdominal discomfort to death, especially among the very young, elderly, and people with immunologically suppressed systems. Neither of these organisms can be destroyed easily with traditional water treatment processes. So if you use horse manure, make sure the people that gathered it washed their hands after using a toilet. They and their pets are much more of a concern than the horse manure itself. -- Pardon my spam deterrent; send email to Cheers, Steve Henning in Reading, PA USA - http://rhodyman.net |
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