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muscovy duck parvovirus infection
释义
muscovy duck parvovirus infection
Encyclopedia
农学
〔禽传染病〕
释
muscovy duck parvovirus infection
雏番鸭细小病毒病
由番鸭细小病毒引起的,临床特征为腹泻、气喘和脚软,病理变化以肠炎为主的幼龄番鸭急性、败血性传染病。传染性强,病死率高,1~3周龄多发。又称“三周病”。
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Re face and Si face
refacer
refacing
refactorable number
refactoring
refeed valve
referee
referee analysis
referee analysis; arbitration analysis
referee morality
reference
reference allocation unit
Reference and Information Services Section, IFLA
reference angle
reference anolog circuit design flow
reference artefact for distance between planes
reference artefact of line scale
reference beam
reference bibliography
reference blocks
reference book
Reference Book Concerning the Grand Canal in Shandong Province
reference books
Reference Catalogue of Bright Galaxies
reference circle
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