Influence of Breed and Milk Fat Percentage when Estimating Solids-Not-Fat in Milk of Individual Cows by the Plastic Bead Method of Golding

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Abstract
Regression equations for indirectly estimating percent solids-not-fat (SNF) involving specific gravity, percent milk fat and protein were computed for breeds and for percent milk fat intervals. Equations derived within percent milk fat intervals by breeds (Guernsey, Holstein and Jersey) were most satisfactory followed by percent milk fat intervals (breed ignored), individual equations for breeds and one equation. Equations for estimating SNF in milk from individual cows are unsatisfactory when applied to samples of herd milk.