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Relationships of feed efficiency with carcass and non–carcass tissue composition in Angus bulls and heifers. F. R. B. Ribeiro*1, G. E. Carstens1, P. A. Lancaster1, L. O. Tedeschi1, and M. E. Davis2, 1Texas A&M University, College Station, The Ohio State University, Columbus.

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The effects of sorting steers by weight into calf-fed, summer yearling and fall yearling feeding systems. D. R. Adams*, T. J. Klopfestein, G. E. Erickson, M. K. Luebbe, and M. A. Greenquist, University of Nebraska, Lincoln.

3:15 PM

662

The effect of Bos Koolus fed during summer on the feedlot performance and carcass characteristics of steers. I. Loxton1, T. Grant2, D. Reid3, R. Lawrence*4, and N. Kempe5, 1Beef Support Services, Yeppoon, Queensland, Australia, 2Department of Primary Industries and Fisheries, Theodore, Queensland, Australia, 3Department of Primary Industries and Fisheries, Rockhampton, Queensland, Australia, 4Integrated Animal Production, Toowoomba, Queensland, Australia, 5Feedworks, Burleigh Heads, Queensland, Australia.

3:30 PM

663

Effect of Ractopamine HCl on growth and carcass traits of finishing heifers fed to slaughter. S. B. Laudert*, G. J. Vogel, A. L. Schroeder, and W. J. Platter, Elanco Animal Health, Greenfield, IN.

3:45 PM

664

Plasma urea-N response to dosages and delivery patterns of Estradiol 17-beta and Trenbolone Acetate. S. L. Parr*, R. H. Pritchard, and K. W. Bruns, South Dakota State University, Brookings.

4:00 PM

665

Using programmed feeding to manage young beef cows. J. D. Shockey*, P. A. Beck, P. Gregorini, C. B. Stewart, and S. A. Gunter, University of Arkansas Division of Agriculutre, SWREC, Hope.

4:15 PM

666

Performance of beef cows fed free-choice whole cottonseed and hay during winter. G. M. Hill*1, M. H. Poore3, M. E. Pence2, and B. G. Mullinix, Jr.1, 1University of Georgia, Tifton, 2University of Georgia Vet. Diagnostic Ctr., Tifton, 3North Carolina State University, Raleigh.

4:30 PM

667

Evaluation of NRC (1996) model energy requirement and DMI equation accuracy and precision for wintering beef cows in western Canada. J. L. Bourne1, H. C. Block*1, H. A. Lardner2, and J. J. McKinnon1, 1University of Saskatchewan, Saskatoon, SK, Canada, 2Western Beef Development Centre, Humboldt, SK, Canada.

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Improving fecal near-infrared reflectance spectroscopy predictions of botanical composition of ruminant diets. J. W. Walker*, B. S. Engdahl, E. S. Campbell, and C. J. Lupton, Texas Agricultural Experiment Station, San Angelo, TX.

SYMPOSIUM Sheep Species Biology and Management of Low-input Lambing Management in Easy-Care Systems Chair: Michael L. Thonney, Cornell University Sponsors: Premier Sheep Sypplies, Sydell, The Sheppard, ASI 207 B

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669

Genetic and physiological effects on maternal behavior and lamb survival. C. M. Dwyer*, SAC, Edinburgh, UK.

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670

Management of maternal-offspring behaviour to improve lamb survival in low input systems. J. Everett-Hincks* and K. Dodds, AgResearch, Invermay Agricultural Centre, Mosgiel, Otago, New Zealand.

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671

Evaluation of Dorper, Dorset, Katahdin, and Rambouillet crossbred ewes in high- and low-input production systems. K. A. Leymaster*, USDA-ARS, U.S. Meat Animal Research Center, Clay Center, NE.

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Break

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Pasture lambing prolific sheep. J. W. McNally*, Tamarack Lamb & Wool, Hinckley, MN.

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673

What does it mean to be locally adapted and who cares, anyway? F. D. Provenza*, Utah State University, Logan.

4:45 PM

Discussion.

S. A. Moore3, and D. S. DeLaney3, 1Texas A&M University, College Station, 2Texas A&M University, McGregor, 3King Ranch, Kingsville, TX.

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Teaching/Undergraduate & Graduate Education Teaching Session I - Assessment & Evaluation Chair: Linda C. Martin, Oklahoma State University 204 A

Evaluation and accreditation of agricultural research and teaching programs. J. R. Swearengen*, AAALAC International,

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