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G J Rowlands

Publications and source records attributed to G J Rowlands.

51 records · Page 3Linked to original sources

Statistical basis of the Compton metabolic profile test.

The statistical basis of the Compton metabolic profile test is described and alternative methods for choosing animals for blood sampling are discussed. Recent modifications to the presentation of results, which facilitate interpretation, are described.

Animals↗

Relationships of concentrations of certain blood constituents with milk yield and age of cows in dairy herds.

Regression analyses were performed on data from 48 Compton metabolic profile tests relating the concentrations of certain constituents in the blood of dairy cows to their milk yield, age and stage of lactation. The common partial regression coefficients for milk yield, age and stage of lactation were estimated for each blood constituent. The relationships of greatest statistical significance were between the concentrations of inorganic phosphate and globulin and age, and the concentration of albumin and milk yield.

Age Factors↗