environmental (redirected from environmental variance)

environmental

pertaining to or emanating from the environment.

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environmental injuries

include burns, electrical injuries, frostbite, heat stroke.

environmental mastitis

mastitis caused by Escherichia coli, Klebsiella spp., Aerobacter aerogenes.

permanent environmental factors

factors which affect all measures of performance equally and through the patient's lifetime, e.g. fulltime at pasture, tropical climate.

environmental pollution

the presence of offensive, but not necessarily infectious, matter in the environment. For example, pollution may be by specific organic or inorganic chemicals, by physical agents such as dust, volcanic fallout, smoke, automobile fumes, radioactive material and animal feces and urine. Each of these items and noise pollution is dealt with under specific headings.

environmental stress

see stress (2).

temporary environmental factors

risk factors which may vary widely, e.g. nutrition, pregnancy status, disease.

environmental variance

that portion of the phenotypic variance caused by differences in the environment to which the individuals have been exposed.