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2000 Research Reports

2000 Research Reports
Beef and Dairy Cattle, Swine, Poultry, Sheep, Horses and Animal Products

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