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Dairy Herd Management Research in a Changing World¹

Department of Animal Sciences, Purdue University, Lafayette, Indiana 47907

ABSTRACT

Animal management is founded upon two basic principles, to survive and to reproduce. Management goals for the livestock producer are satisfaction and profit. Stated another way—pleasure, the profit motive, self-preservation, and the production of young become the environment where man and his domesticated animals interact in a bioeconomical world.

With modern husbandry and management practices the "feed-weed-breed" concept eventually came under the control of man. Under man's rules a) first one feeds the animal enough to obtain a response, b) followed by culling of the inferior producers, and c) breeding the remainder to animals of superior genetic background. No small part of man's success on earth is due to the many animals that have fed him, clothed him, carried him, and cultivated his fields. How man has repaid this debt to his animals is subject to debate.

From the standpoint of ecology and resource management, a natural community is likely to be more productive than any unfertilized system we may substitute for it.

¹ Presented at the Tri-state (Michigan, Ohio and Indiana) Extension Conference, Memorial Center, Purdue University, Lafayette, Indiana. October 4, 1968.