Method and system for investigating mastitis of a cow by measuri

Details Method and system for investigating mastitis of a cow by measuri Method and system for investigating mastitis of a cow by measuri

1992-04-28

1995-05-16

Wieder, Kenneth A.

Electricity: measuring and testing

Electrolyte properties

Using a conductivity determining device

G01N 2706

Patent

active

054164176

ABSTRACT:
A method for investigating an electrical conductivity of milk from an individual cow, comprising the steps of measuring at least one electrical conductivity of at least one daily milking on each of a plurality of successive days and storing the respective electrical conductivities or computed functions thereof. An average value of the electrical conductivities or of functions thereof is then computed and stored for the preceding x days but excluding the previous y days where y<x, and at least once each day any deviation between the electrical conductivity or function thereof and the average stored value is determined. The deviation is stored and/or displayed and serves as an indication of the onset of mastitis. A system for carrying out the method is also disclosed.

REFERENCES:
patent: 3664306 (1972-05-01), Quayle et al.
patent: 4156179 (1979-05-01), Stephen et al.
patent: 4325028 (1982-04-01), Takahashi
patent: 4771007 (1988-09-01), Tippetts et al.

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