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2. Feeding high energy rations for various lengths of lactation;Brown;J. Dairy Sci.,1974
3. Regional impacts of rising energy prices on feed costs;Heady;J. Dairy Sci.,1979
4. Forage:concentrate ratios for first lactation dairy cows;Macleod;J. Dairy Sci.,1980
5. Effects of liberal concentrate feeding on reproduction in dairy cattle;Morrow;J. Am. Vet. Med. Assoc.,1969