specific pathogen free

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a term applied to animals reared for experimentation or to commence new herds or flocks of disease-free animals; abbreviated SPF. Animals usually obtained as for axenic animals but are then placed into a nonsterile environment in which they become infected with a range of microorganisms, many colonizing as so-called normal flora. Certain defined specific pathogenic microorganisms are not present in the environment so that SPF animals can be stated to be free of infection or previous infection with the specified microorganism. See also gnotobiotic animal.

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axenic disease-free animals gnotobiotic gnotobiotics HYPAR hysterectomy produced artificially reared pigs minimal SPF			Malcolm Smith, a professional aquaculturist with over 20 years of experience, is now engaged in overseeing selective breeding and hatchery production of specific pathogen free P. Malcolm Smith, Thomas James join Integrated Aquaculture Int'l by Quick Frozen Foods International Experimental infection of specific pathogen free (SPF) cats with two different strains of Bartonella henselae type I: a comparative study. Prolonged Bartonella henselae bacteremia caused by reinfection in cats by Arvand, Mardjan; Viezens, Juliane; Berghoff, Julia / Emerging Infectious Diseases The oceanic institute's specific pathogen free (SPF) shrimp breeding program: preparations and infrastructure. Characterization and mapping of expressed sequence tags isolated from ... by Alcivar-Warren, Acacia; Song, Linsheng; Meehan-Meola, Dawn; Xu, Zhenkang; Xiang, Jian-Hai; Warren, W / Journal of Shellfish Research			specialty care specialty network speciation species species immunity species specificity Species-ism species-specific species-specific antigen specific specific absorption rate specific action specific activity Specific Activity Scale specific disease specific dynamic action specific dynamic energy specific granule specific granule deficiency specific gravity specific immune globulin specific immunity specific immunoglobulin specific opsonin specific parasite specific pathogen free specific phobia specific rates specific reaction specific rotation specific treatment specific ulcer specific urethritis specific viscosity specificity specificity of association specificity spillover syndrome specified achromatic light stimulus specifism specimen specimen management specimen radiograph specimens speckled dystrophy of the cornea Speckled Lentiginous Nevus Speckled Leukoplakia speckled loco Speckled Pattern speckling SPECT spectacle			specific markup Specific mass Specific mass Specific mass Specific mass Specific mass specific mass shift Specific Memorandum of Agreement Specific Message Address Specific Migration Limit Specific Military Agreement Specific Minimum Tensile Strength Specific Ministry Pastor Specific modulus specific moment Specific name specific names Specific Nasal Provocation Test Specific Nucleic Acids Associated with Proteins Specific Odor Emission Factor Specific Off-Label Approval Specific Operational Requirement specific opsonin Specific Optical Rotation Specific Orders and Requirements Specific Oxygen Uptake Rate specific parasite Specific Parcel Master Plan specific pathogen free Specific Pavement Studies specific performance specific performance specific performance Specific Personal Objective Specific phobia Specific phobia Specific phobia Specific phobia Specific Physiological Response Specific Poll Address Specific Position Description Specific power Specific Power Absorption Specific Practice Specific Process Specific Procurement Notice specific productivity index specific propellant consumption Specific Protein 1 Specific Provision Specific Purpose Company Specific Purpose Payments Specific Purpose Statement specific quality Specific Questions Waiting for Answers specific rate specific rate specific rate specific rate

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