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Age as a factor in animal breeding
(University of Missouri--Columbia, 1911)
the experiment has not been more than 2 1/2 years old and data at the disposal of the writer is not at all sufficient to give any conclusive results. In the following pages, first the views of biologists and practical breeders have been given and then the results...
The effects of various planes of nutrition upon the cost of maintenance, reproduction, and development of beef cows
(University of Missouri--Columbia, 1916)
The frequency with which valuable animals reproduce themselves has always been a factor of economic importance in the pure bred cattle business. Great economic changes during the last few years have made this an important ...