Specific Pathogen Free 无特定病原体动物 ; 无特定病原体 ; 无特定病原 ; 特定病原
specific pathogen free animal 无特定病原体动物 ; 特种无菌动物 ; 病原体动物 ; 特定病原体动物
specific-pathogen-free pig 无特定病原猪
Specific pathogen free animals 无特殊病原体动物 ; 即无特定病原体动物
Specific pathogen free SPF 无特定病原体
specific pathogen free pigs spf猪
specific pathogen free herd 无特定病原群
specific pathogen free flock 无特定病原鸡群
primary specific pathogen-free 初代无特定病原
Experiment 1, a strain of IBDV was isolated from IBDV-suspected chickens in Shandong province and the pathogenicity on specific pathogen free (SPF) chicken was studied.
试验1中，从山东省某疑似感染IBDV的鸡场分离到1株IBDV野毒，并就其对SPF鸡的致病性进行了研究。
Using SPF(Specific pathogen free)animals as the breeding stock and adopting synthesize preventive measure, the experiment mouse and rat of clean grade were reared in barrier system for 2 years.
以SPF级（无特殊病原体）动物为种源，采取综合防治措施，在屏障设施饲养清洁级实验小鼠和大鼠。
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