1.
Relative Efficiency of Spayed, Open, and Bred Heifers in the Feed Lot; B645
by Hart, G. H. (George Hart) 1...
ISBN: 9781015165120
List Price: $11.95
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3.
Fertility in Sheep as Affected by Nutrition During the Breeding Season and Pregnancy; B672
by Miller, Robert F. (robert F...
ISBN: 9781014775429