Glossary D

The Environmental Glossary. Letter D +++ 'Duplicate', 'Deposition', 'Dustfall Jar'

A Dairy Cow is a Bovine from which milk production is intended for human consumption, or is kept for raising replacement dairy heifers.

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- Dairy Herd Improvement (DHI) : A Dairy Herd Improvement (DHI) is a specific testing plan which requires supervision and compliance with all official DHI rules.
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- Dairy Herd Improvement Association (DHIA) : A Dairy Herd Improvement Association (DHIA) is an organization with programs and objectives intended to improve
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- Dairy Herd Improvement Registry (DHIR) : A Dairy Herd Improvement Registry (DHIR) is a modification of the DHIA program to make milk production records acceptable by the specific dairy Breed associations.
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A Dairy Steer is a neutered male of any of the dairy cattle breeds. The "Dairy Steers" are raised for
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A Dam is Mother or female parent in a pedigree, normally applies to cattle.
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A DAMPERS is Controls that vary airflow through an air outlet, inlet, or duct. A damper position may be immovable, manually adjustable or part of an automated control system.
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A Data Call-In is a part of the Office of
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A data quality is "The totality of features and characteristics of data that bears on their ability to satisfy a given purpose; the sum of the degrees of excellence for factors related to data" (QAMS 1993, 7).
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data quality indicators are "Quantitative statistics and qualitative descriptors that are used to interpret the degree of acceptability or utility of data to the user. The principal <
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