Dairy science

Dairy science

The scientific study of dairy and related disciplines including biochemistry, breeding, economics, engineering, environment, food science, genetics, microbiology, nutrition, pathology, physiology, processing, public health quality assurance, sanitation, microbiology and bacteriology.

Industry: Agriculture

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Dairy science

Dairy Herd Improvement Registry (DHIR)

Agriculture; Dairy science

A modification of the DHIA program to make milk production records acceptable by the specific dairy breed associations.

DHI records

Agriculture; Dairy science

Generic term used to refer to records computed by the Dairy Record Processing Centers.

DHI supervisor

Agriculture; Dairy science

An officially trained and DHIA-certified employee qualified to collect milk samples and record milk weights on the farm for all official types of testing plans.

dairy steer

Agriculture; Dairy science

A neutered male of any of the dairy cattle breeds. The "dairy steers" are raised for meat production and usually managed like beef cattle.

dam

Agriculture; Dairy science

Mother or female parent in a pedigree.

denitrification

Agriculture; Dairy science

The biochemical reduction of nitrate or nitrite to gaseous nitrogen, either as molecular nitrogen or as an oxide of nitrogen.

direct microscopic somatic cell count (DMSCC)

Agriculture; Dairy science

Microscopic count of the actual number of somatic cells in milk. This system is used to check and verify electronic cell count machines used in DHI laboratories.