Reproductive performance of 2-year-old Hereford and Angus heifers as influenced by pre- and post-calving energy intake.
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Animal Feed↗
Biomedical subjects
D R Zimmerman
Publications and source records attributed to D R Zimmerman.
Plant vs. animal protein as a source of supplemental protein for the gilt.
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Animal Feed↗
Duration of estrus, time of ovulation and fertilization rate in beef heifers synchronized with dihydroxyprogesterone acetophenide.
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Algestone Acetophenide↗
Iron and copper utilization in rabbits as affected by diet and germfree status.
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Animals↗
Vitamin stability in diets sterilized for germfree animals.
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Animals↗
An automated fluorometric method for the measurement of tryptophan in plasma.
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Animals↗