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The Relationship Between Type and Production

American Jersey Cattle Club, New York

ABSTRACT

From a practical breeding standpoint several conclusions may be drawn from the foregoing data, even though the correlations reported are not pronounced. It can be stated that there is some relationship between the conformation of a cow and her producing ability. It is equally obvious, however, that a high conformation score is not a reliable guarantee of superior producing capacity.

In breeding for conformation, there appears to be about the same correlation between the conformation of a cow and the conformation of her daughters as there has previously been found to exist between the producing ability of a cow and the producing ability of her daughters. In both instances, the correlations are significant but are hardly high enough to definitely insure the type of progeny which may be desired from dams of a certain conformation. It does appear that there is no relationship between the conformation of a bull and the producing ability of his daughters.

It can be concluded that type as determined by the score card and producing ability are not incompatible and that they can readily be combined in the same animal, yet to secure our ideals of type and production, breeders must continue to pay close attention to both of these essentials in their breeding programs.