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Genetic and environmental changes as shown by Idaho D.H.I.A. records (1956)

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Examining the genetic and environmental factors that contribute to the increase or decrease of milk-yeilds.

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Page 1: Genetic and environmental changes as shown by Idaho D.H.I.A. records (1956)
Page 2: Genetic and environmental changes as shown by Idaho D.H.I.A. records (1956)
Page 3: Genetic and environmental changes as shown by Idaho D.H.I.A. records (1956)
Page 4: Genetic and environmental changes as shown by Idaho D.H.I.A. records (1956)
Page 5: Genetic and environmental changes as shown by Idaho D.H.I.A. records (1956)
Page 6: Genetic and environmental changes as shown by Idaho D.H.I.A. records (1956)
Page 7: Genetic and environmental changes as shown by Idaho D.H.I.A. records (1956)
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