2000 Research Reports
October 2000
Oklahoma Agricultural Experiment Station
Divison of Agricultural Science and Natural Resources
Oklahoma State University
ANIMAL BREEDING AND GENETICS
Genetic variation in days to onset of postpartum ovarian function for cows sired by high and low milk EPD Hereford and Angus bulls
D.S. Buchanan, K.J. Stutts and R.P. Wettemann
NUTRITION/MANAGEMENT COW/CALF
Effect of midsummer deworming with Cydectin® on cows and calves
J.R. House, J. Steele, S.C. Smith and D.L. Lalman
Effects of supplemental undegradable protein on the performance of fall-calving cows grazing dormant native range
C.R. Johnson, C.A. Lents, A.D. O'Neil, J.S. Wheeler, D.L. Lalman, R.P. Wettemann and G.E. Selk
Effect of selected characteristics on the sale price of feeder cattle in eastern Oklahoma: 1997 & 1999 summary
S.C. Smith, D.R. Gill, T.R. Evicks and J. Prawl
NUTRITION/MANAGEMENT STOCKER CATTLE
Changes in growth performance of steers and nutritive value of wheat pasture from fall/winter grazing to graze-out
R.R. Reuter and G.W. Horn
Nutritive value of grazed old world bluestem and tall grass prairie across the calendar year
R. Basurto, R.R. Reuter, P. Kircher, C. Ackerman, T. Bodine, H. Purvis II and G.W. Horn
Effects of supplemental energy and degradable intake protein on grazing behavior, forage intake, digestion and performance of steers grazing winter range
T.N. Bodine, H.T. Purvis II and D.A. Cox
Blood, ruminal and fecal measures of steers fed different combinations of supplemental energy and degradable intake protein while grazing winter range
T.N. Bodine, H.T. Purvis II and D.A. Cox
Effect of monensin and Synovex-S on growth performance of steers in a dry-winter grazing program
G.W. Horn, M.J. Hersom and D.A. Cox
Effects of hay and protein supplementation on performance of growing steers fed pelleted soybean hulls
J.A. Shriver, D.L. Lalman, J.N. Carter, S.D. Carter, W.T. Choat, D.R. Gill, G.W. Horn and T.K. Stovall
Effects of increasing dietary sulfur concentration on the incidence and pathology of polioencephalomalicia in weaned beef calves
G.A. Niles, S. Morgan, W.C. Edwards and D.L. Lalman
NUTRITION/MANAGEMENT FEEDLOT CATTLE
Efficacy of Multimin™ in improving performance and health in receiving cattle
B.A. Berry, W.T. Choat, D.R. Gill, C.R. Krehbiel and R. Ball
Nutritional benefits of feeding a pelleted supplement manufactured from North Atlantic seaweed to transit-stressed feedlot cattle: Animal performance and medical costs
J.N. Carter, T.C. Stovall, D.R. Gill, A.W. Confer, R.A. Smith and R.L. Ball
The effects of feeding vitamin E to sale barn-origin calves during the receiving period: Animal performance and medical costs
J.N. Carter, D.R. Gill, A.W. Confer, R.A. Smith and R.L. Ball
Effects of vitamin E and fat on the health and performance of shipping stressed heifer calves
W.T. Choat, C.R. Krehbiel, D.R. Gill, R.L. Ball, T.C. Stovall, J.A. Shriver and J.N. Carter
Impact of bovine respiratory disease during the receiving period on feedlot performance and carcass traits
T.C. Stovall, D.R. Gill, R.A. Smith and R.L.Ball
Effect of virginiamycin and monensin on efficiency and feed intake of growing heifers
J.T. Wagner, D.R. Gill, M.L. Gibson and R.L.Ball
Effects of implanting and explanting on growth performance and carcass traits of finishing steers
B.A. Berry, D.R. Gill, F.N. Owens, R. Ball and B. Freking
Effects of feeding vitamin D on feedlot performance, carcass traits, and meat tenderness of finishing steers
B.A. Berry, D.R. Gill and R. Ball
NUTRITION/MANAGEMENT SWINE
Effects of adding fiber sources to low crude protein, amino acid supplemented diets on nitrogen excretion, performance, and carcass traits of finishing pigs
J.A. Shriver, S.D. Carter, B.W. Senne and L.A. Pettey
Effects of Hemicell® addition to corn-soybean meal diets on growth performance, carcass traits, and apparent nutrient digestibility in growing-finishing pigs
L.A. Pettey, S.D. Carter, B.W. Senne and J.A. Shriver
Effects of Hemicell® addition to corn-soybean meal diets on energy and nitrogen balance in growing pigs
L.A. Pettey, S.D. Carter and B.W. Senne
Determination of the metabolizable energy concentration of three corn hybrids fed to growing pigs
R.W. Fent, S.D. Carter, B.W. Senne and M.J. Rincker
Nitrogen and phosphorus excretion from pigs fed different soybean fractions
B.W. Senne, S.D. Carter, L.A. Pettey and J.A. Shriver
Nitrogen balance of nursery pigs fed different soybean fractions
B.W. Senne, S.D. Carter, L.A. Pettey and J.A. Shriver
Potential of amylolytic cultures of lactobacillus acidophilus to improve dietary starch utilization in weanling pigs
M.J. Rincker, S.D. Carter and S.E. Gilliland
Effects of providing amino acids from whey protein concentrate or crystalline amino acids on the performance of conventionally weaned pigs
J.C. Whisenhunt and S.D. Carter
Effects of dietary zinc and endotoxin challenge on immune function in weanling pigs
S. Mandali, M. Rincker, S.D. Carter, A.B. Arquitt, E. Droke, B.J. Stoecker and L.J. Spicer
PHYSIOLOGY
Nutritional effects on estrus and ovarian activity of spring calving first-calf heifers
N.H. Ciccioli and R.P. Wettemann
Effects of body condition of beef cows at calving and protein supplementation on estrous behavior and follicle size
C.A. Lents, F.J. White, D.L. Lalman and R.P. Wettemann
Changes in milk urea nitrogen during early lactation in Holstein cows
L.J. Spicer, C.C. Francisco, D. Jones and D.N. Waldner
Effects of hormones on insulin-like growth factor-II production by bovine ovarian granulosa cells
L.J. Spicer and C.S. Chamberlain
Season alters estrous behavior but not time of ovulation in beef cows
F.J. White and R.P. Wettemann