1997 Research Reports
Beef and Dairy Cattle, Swine, Poultry, Sheep, Horses and Animal Products
August 1997
Oklahoma Agricultural Experiment Station
Division of Agricultural Science and Natural Resources
Oklahoma State University
Breeding and Genetics
Effect of divergent selection for postweaning gain on body weight changes of gilts
A.C. Clutter and D.S. Buchanan, pp 1-5
Performance of ewes from Rambouillet crosses with Booroola Merino, Dorset and Finnish
Landrace rams
D.S. Buchanan, G.Q. Fitch and R. Chabo, pp 6-10
Reproductive regularity for young cows sired by high and low milk EPD Angus and Polled
Hereford bulls
D.S. Buchanan, R. Gosz and L. Knori, pp 11-15
Food Science
Domestic strategic alliance: Vitamin E project
E.A. Westcott, R.L. Stubbs, H.G. Dolezal and J.B. Morgan, pp 16-22
Estimation of beef carcass cutability using video image analysis, total body electrical
conductivity or yield grade
T.L. Gardner, H.G. Dolezal, B.A. Gardner, J.L. Nelson, B.R. Schutte, J.D. Tatum, G.C.
Smith, J.B. Morgan, J.W. Wise and R. Calkins, pp 23-31
Influences of pH during growth on removal of cholesterol from MRS broth by Lactobacillus
casei and Lactobacillus acidophilus
M.M. Brashears and S.E. Gilliland, pp 32-37
Progress of an Oklahoma swine carcass contest
T.L. Gardner, W.G. Luce, F.K. Ray, D.S. Buchanan, G.A. Highfill, S.C. Smith and J.D.
Wallace, pp 38-44
Nutrition/Management Cow/Calf
Dry cow treatment of beef cows
C.A. Lents, R.P. Wettemann, J.A. Vizcarra, M.L. Looper and M.J. Paape, pp 45-49
Effect of poultry litter on winter weight gain of beef cows
K.C. Barnes, S.C. Smith, J.G. Britton and D.M. Miller, pp 50-53
Effects of postpartum body condition score of beef cows on milk components and weaning
weights of calves
C.A. Lents, M.L. Looper and R.P. Wettemann, pp 54-59
Evaluation of deworming strategies in cows and calves in eastern Oklahoma
B.R. Stacey, K.C. Barnes and G.E. Selk. pp 60-62
The relationship between rate of gain and implant response in suckling calves
Glenn Selk, pp 63-67
Nutrition/Management Feedlot Cattle
Effects of limiting feed access time on performance and carcass characteristics of
feedlot steers
Z.I. Prawl, W.J. Hill, F.N. Owens, D.R. Gill and R.L. Ball, pp 68-72
Effects of supplemental Vitamin D3 on meat tenderness
S.S. Swanek, J.B. Morgan, F.N. Owens, H.G. Dolezal and D.R. Gill, pp 73-78
Nutrition/Management Stocker Cattle
Effect of Revalor®-G implant and source of supplemental protein on weight gain of
steers wintered on dormant tallgrass prairie or old world bluestem
C.J. Ackerman, S.I. Paisley, H.T. Purvis II, G.W. Horn and B.R. Karges, pp 79-84
Effect of increasing levels of magnesium oxide on intake of a self-limited energy
supplement for growing steers grazing winter wheat
S.I. Paisley, C.J. Ackerman and G.W. Horn, pp 85-89
Effect of poultry litter on weight gain of grazing stocker cattle
S.C. Smith, K.C. Barnes, J.G. Britton and C.W. Cross, pp 90-93
Effect of poultry litter on weight gain of winter stocker cattle
K.C. Barnes, S.C. Smith, J.G. Britton and D.M. Miller, pp 94-97
Effect of implants on performance of steers dry-wintered on native tallgrass prairie
S.I. Paisley, G.W. Horn, C.J. Ackerman and D.S. Secrist, pp 98-102
Effects of supplemental zinc and manganese on in vitro urea degradation and prairie
hay disappearance
H.M Arelovich, F.N. Owens, G.W. Horn and J.A. Vizcarra, pp 103-108
Further development of a monensin-containing, self-limited energy supplement for wheat
pasture stocker cattle
G.W. Horn, S.I. Paisley and C. Lunsford, pp 109-113
Gains of wheat pasture stocker heifers implanted with Ralgro®, Synovex®-H, or Revalor®-G
G.A. Highfill, D.R. Gill and D.L. Lalman, pp 114-116
Nutrition/Management Swine
Amino acid substitution for whey protein concentrate in the diets of conventionally
weaned pigs
M.E. Davis, B.Z. de Rodas, C.V. Maxwell, E. Broekman and J. Chung, pp 117-122
Effect of protein source on response of nursery pigs to crystalline amino acid supplementation
M.E. Davis, B.Z. de Rodas, C.V. Maxwell, M.E. Davis, S. Mandali, E. Broekman and J.
Chung, pp 123-128
Efficacy of Rovimix® Stay-C® 25 as a Vitamin C source for segregated and conventionally
weaned pigs
B.Z. de Rodas, C.V. Maxwell, M.E. Davis, S. Mandali, E. Broekman and J. Chung, pp
129-137
Lysine requirement of Phase 2 nursery pigs fed Karl hard red winter wheat based diets
E.J.A.J. Broekman, B.Z. de Rodas, W.G. Luce, C.V. Maxwell and J.S. Chung, pp 138-143
High quality protein vs crystalline amino acids as an amino acid source for segregated
early weaned pigs
B.Z. de Rodas, C.V. Maxwell, M.E. Davis, E. Broekman and J. Chung, pp 144-150
Potential for egg protein and porcine spray-dried blood as a replacement for plasma
protain (AP-920) in early-weaning pig diets
J. Chung, B.Z. de Rodas, C.V. Maxwell, M.E. Davis and W.G. Luce, pp 151-155
Physiology
A new way of evaluating sexual behavior in rams
B.E. Cardwell, G.Q. Fitch and R.D. Geisert, pp 156-158
Effects of body condition on luteal activity and estrus in postpartum beef cows
M.L. Looper, C.A. Lents, J.A. Vizcarra and R.P. Wettemann, pp 159-162
Ultrasonic evaluation for the time of ovulation in ewes treated with norgestomet and
pregnant mare serum gonadotropin during the spring and fall breeding seasons
B.E. Cardwell, G.Q. Fitch and R.D. Geisert, pp 163-166