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A Comparison Of Daughters Of Sires In Artificial Breeding At Different Levels Of Management, Richard C. Cook
A Comparison Of Daughters Of Sires In Artificial Breeding At Different Levels Of Management, Richard C. Cook
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
One of the largest problems facing the successful dairyman of today is selection of proper sires to mate to his high producing cows. Many breeders and dairymen have the impression that proven sires will give the same increase in production regardless of the dam's production or the level of environment present. Even though sires come from high producing herds, some as high as 600 pounds of butterfat, the average production of all cows in the state of Utah remains at a much lower figure. The average for all cows in Utah is about 250 pounds of butterfat and the average …