Recent Topics of Animal Health and Management

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概要

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• Our recent work regarding pathogenic parasites of domestic and wild animals and microbial communities in the composting processes has been summarized. Cryptosporidiosis is one of the important protozoan zoonotic diseases that causes diarrhea and occasionally death of humans, domestic animals, and wild vertebrates. We isolated a novel type of C. andersoni from cattle that grazed on the Kawatabi farm in Tohoku University, and we refer to this strain as the C. andersoni Kawatabi strain. We also isolated cryptosporidian oocysts from a dog and large Japanese field mice, Apodemus speciosus. Gene analysis suggested possibilities to be a novel type of C. canis (C. parvum dog genotype) and a new species of Cryptosporidium, respectively. A commercial microbiological additive (MA) was effective in the composting process, e.g., quicker elevation of temperature, lower emission of ammonia gas, and lower production of nitrate. Functional microbes obtained by the cultivation method with the MA did not coincide with the dominant species in the microbial community detected by DNA analyses. Various species of microbes in the MA grew at 55 and 72℃ incubation ; however, they did not coincide with the dominant species detected in chicken manure composting processes. It was clarified that the MA contained a variety of microbes, including thermophilic microbes and that these microbes did not become dominant during the composting processes. However, microbes in the MA that are smaller in number than the dominant species may act functionally in the composting process.

• 東北大学の論文
• 2004-11-25

著者

• NAKAI Yutaka

  Laboratory of Sustainable Environmental Biology, Field Centre Studies, Graduate School of Agricultur

• Nakai Yutaka

  Laboratory Of Animal Health And Management Graduate School Of Agricultural Science Tohoku University

• SATOH Masaaki

  Laboratory of Animal Health and Management, Graduate School of Agricultural Science, Tohoku Universi

• WAKASE Shiho

  Laboratory of Animal Health and Management, Graduate School of Agricultural Science, Tohoku Universi

• Wakase Shiho

  Laboratory Of Animal Health And Management Graduate School Of Agricultural Science Tohoku University

• Satoh Masaaki

  Laboratory Of Animal Health And Management Graduate School Of Agricultural Science Tohoku University

関連論文

• Molecular Analysis of Cryptosporidium parvum HNJ-1 Isolated in Japan
• Therapeutic Use of Phage Cocktail for Controlling Escherichia coli O157:H7 in Gastrointestinal Tract of Mice(MEDICAL BIOTECHNOLOGY)
• P-19. Isolation of sulfur oxidizing microbes removing hydrogen sulfide(Abstracts of the International Symposium on Recent Advances in Animal Science(IS-RAAS),Joint meeting of 2^ IS-AS and 3^ IS-IFS)
• Recent Topics of Animal Health and Management
• Ammonia-Oxidizing Bacteria Rather than Ammonia-Oxidizing Archaea were Widely Distributed in Animal Manure Composts from Field-Scale Facilities
• Infectivity of Cryptosporidium andersoni and Cryptosporidium muris to Normal and Immunosuppressive Cynomolgus Monkeys

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