1. Managing pregnant heifers in the feedlot;MacGregor;Compendium on Continuing Education for the Practicing Veterinarian (USA),1997
2. A field trial to determine the efficacy of long-acting oxytetracycline for reducing the treatment rate in aborted feedlot heifers;Booker;Can Vet J,1992
3. The relative economics of feeding open, aborted, pregnant feedlot heifers;Jim;Can Vet J,1991
4. Effect of abortion on individually fed finishing heifer performance;Stanton;Agri-Pract,1988
5. Slaughter weight loss attributable to pregnancy in feedlot heifers;Bennett;Mod Vet Pract,1984