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Browsing by Author "Drouillard, J.S."

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Grain processing reduces E. coli O157 in feedlot cattle

Fox, J.T.; Drouillard, J.S.; Jacob, M.E.; Reinstein, S.L.; Nagaraja, T.G. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2007)

Escherichia coli O157 is an important food-borne pathogen for which the gastrointestinal tract of cattle is the major reservoir. Fecal shedding of E. coli O157 in cattle reflects the ability of the organism to persist in ...
Growth performance and carcass characteristics of finishing beef steers implanted with component TE-S or component TE-S with Tylan

Depenbusch, B.E.; Drouillard, J.S.; Dicke, B.; Erickson, G.E.; Klopfenstein, T.J.; Botts, R.T.; Anderson, P.T. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2004)

Component TE-S and Component TE-S with Tylan growth-promoting implants were compared in an experiment conducted at a commercial feedlot operation (Ward Feed Yard; Larned, Kansas) to evaluate effects on growth performance ...
High moisture tempering of corn before flaking: effects on bacterial contamination from houseflies and fecal shedding in finishing cattle

Depenbusch, B.E.; Drouillard, J.S.; Phebus, R.K.; Broce, A.B.; Gordon, C.M.; Sindt, J.J. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2003)

Tempered and non-tempered steam-flaked corn samples along with total mixed rations containing either tempered or non-tempered steam-flaked corn were exposed to flies and the environment for 21 hours. Exposure to flies ...
High sulfur content in distillers grains alters ruminal fermentation and diet digestibility in beef steers

Uwituze, S.; Parsons, G.L.; Karges, K.K.; Gibson, M.L.; Hollis, L.C.; Drouillard, J.S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010)

Requirements for elemental sulfur in feedlot diets have been established to be approximately 0.15% with a maximum upper threshold of 0.40% of diet dry matter. Feeding ethanol fermentation by-products, such as distillers ...
High sulfur content in distillers grains with solubles may be deleterious to beef steer performance and carcass quality

Uwituze, S.; Parsons, G.L.; Schneider, C.J.; Karges, K.K.; Gibson, M.L.; Hollis, L.C.; Drouillard, J.S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010)

Distillers grains with solubles are becoming an increasingly important staple of cattle diets because of rapid expansion of the fuel ethanol industry. Sulfuric acid often is used in ethanol production processes to clean ...
Higher ruminal pH increases in vitro digestion of diets containing dried distillers grains with solubles

Uwituze, S.; Heidenreich, J.M.; Drouillard, J.S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2009)

Advantages of steam flaking grain are less with respect to growth performance and diet digestion when a portion of distillers grains is substituted for grain. Ruminal pH typically is lower in cattle fed flaked-grain diets ...
Hydrated lime matrix decreases ruminal biohydrogenation of flaxseed fatty acids

Alvarado, C.A.; Aperce, C.C.; Van Cleef, E.; Miller, K.A.; Van Bibber-Krueger, C.L.; Scarpino, F.; Klamfoth, D.; Drouillard, J.S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2013)

Omega-3 fatty acids are essential nutrients for humans, but dietary intake of these nutrients by many Americans is inadequate due to low consumption of omega-3-rich foods such as fish, walnuts, and flaxseed. In contrast, ...
Immune response in feeder cattle fed different sources of dietary lipid

Farran, T.B.; Drouillard, J.S.; Blasi, D.A.; Spire, M.F.; Sindt, J.J.; Montgomery, S.P.; Coetzer, C.M.; LaBrune, H.J.; Minton, J.E.; Higgins, J.J.; Elsasser, T.H. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2002)

Two studies were conducted utilizing crossbred beef steers to evaluate immune response following endotoxin challenge. In Trial 1 steers (n = 20; 688 lb BW) were fed diets containing rolled full-fat soybeans (SOY) or ...
Implant quality assurance: detection of abscessed implants and their effect on feedlot performance of beef heifers

Spire, M.F.; Blasi, D.A.; Drouillard, J.S.; Sargeant, J.M. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1999)

Infrared thermography (IRT) can be used successfully to differentiate abscessed implanted ears from nonimplanted ears 8 days postimplanting. Abscessed ears averaged 5.7EF warmer than nonimplanted ears when ambient ...
Improving the utilization of soybean hulls by cattle with digestive enzyme and dietary buffer supplementation

Löest, C.A.; Tigemeyer, E.C.; Drouillard, J.S.; Johnson, B.J.; Trater, A.M.; Lambert, B.D. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2002)

Four ruminally cannulated Holstein steers (749 lb) were used in a 4 × 4 Latin square experiment to evaluate the benefits of supplementing digestive enzymes and dietary buffers to a soybean hull-based diet fed to steers ...
Increasing levels of Rumensin® in limit-fed, high energy, growing diets for beef steers and effects on subsequent finishing performance

Montgomery, S.P.; Drouillard, J.S.; Sindt, J.J.; Farran, T.B.; LaBrune, H.J.; Hunter, R.D.; Higgins, J.J.; Nutsch, T.A. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2000)

One hundred sixty-four crossbred beef steers were used to determine optimal Rumensin ® concentrations in limit-fed, high-energy, growing diets. Diets contained 30, 40, or 50 grams of Rumensin per ton of dry matter ...
Influence of implanting grazing steers with Ralgro® or Synovex-S® followed by Synovex® Plus™ or a Ralgro®/Synovex® Plus™ reimplant program in the feedlot on pasture/finishing performance and carcass merit

Fankhauser, T.R.; Kuhl, G.L.; Drouillard, J.S.; Simms, D.D.; Stokka, G.L.; Blasi, D.A. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1997)

In an 84-day pasture/132-day finishing study using 480 crossbred steers (675 lb), Ralgro® increased (P<.05) pasture gains 9.3% compared to nonimplanted controls. Gains of Synovex-S®-implanted steers were intermediate. Pasture ...
Influence of Linpro and dietary copper on feedlot cattle performance, carcass characteristics, and fatty acid composition of beef

Alvarado, C.A.; Aperce, C.C.; Miller, K.A.; Van Bibber, C.L.; Uwituze, S.; Drouillard, J.S.; Higgins, J.J. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2012)

Human diets often contain high levels of saturated fatty acids that can have deleterious health consequences such as obesity, diabetes, and heart disease. In contrast, omega-3 fatty acids, which are essential for human ...
Influence of melengesterol acetate (MGA®) and Implus-H® implants on rate of gain, feed efficiency, and carcass characteristics of culled beef cows fed a high concentrate ration

Spire, M.F.; Unruh, J.A.; Drouillard, J.S.; Galland, J.C. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1998)

No statistical differences were detected in feedlot performance or carcass traits between control culled beef cows and those that were treated with melengesterol acetate (MGA®) and/or Implus-H® when fed in a feedyard ...
Molasses-fat blend as an energy source and conditioning agent in feedlot diets

Drouillard, J.S.; Flake, A.S.; Kuhl, G.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1998)

Seventy-two yearling crossbred steers were used in an individual feeding trial to evaluate the effects of adding a molasses-fat blend (Synergy® 19/14; Cargill Molasses Liquid Products) to diets at 6 or 12% (dry ...
Natural degradable protein and roughage type for implanted finishing steers fed dry-rolled corn diets

Milton, C.T.; Titgemeyer, E.C.; Brandt, R.T. Jr.; Kuhl, G.L.; Drouillard, J.S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1996)

Three hundred eighty-four crossbred, yearling steers (810 lb) were used to evaluate soybean meal (SBM), sunflower meal (SFM), and combinations of the two as protein supplements and supplemental protein effects in diets ...
Night feeding to reduce bird predation in feedlots

Greenquist, M.A.; Drouillard, J.S.; Lee, C.D.; Sindt, J.J.; Kessen, T.J.; Loe, E.R.; Montgomery, S.P.; Sulpizio, M.J. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2004)

During times of heavy infestations by birds, feedlots can have 25 to 30% increases in feed usage, thereby resulting in large economic losses. Because starlings, blackbirds, grackles, and other avian pests normally feed ...
Optaflexx1 affects rumen fermentation

Walker, C.E.; Drouillard, J.S.; Nagaraja, T.G. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2007)

Three experiments were conducted to determine effects of ractopamine-HCl, sold under the trade name Optaflexx, on rumen fermentation. In experiment 1, fermentative gas production was measured in vitro to determine the ...
Optimizing use of distiller’s grains with solubles (DGS) in finishing cattle diets

Depenbusch, B.E.; Drouillard, J.S.; Loe, E.R.; Corrigan, M.E.; Quinn, M.J. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2007)

Rapid expansion of the fuel ethanol industry has increased availability of distillery byproducts. Distiller’s grains with solubles (DGS) are the predominant byproduct of fermenting grains to fuel ethanol. During this ...
Optimizing use of wet sorghum distiller’s grains with solubles in flaked-corn finishing diets

Daubert, R.W.; Drouillard, J.S.; Loe, E.R.; Sindt, J.J.; Depenbusch, B.E.; Fox, J.T.; Greenquist, M.A.; Corrigan, M.E. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2005)

A finishing trial was conducted using 637 heifers (initially 849 lb) to determine the optimal amount of wet sorghum distiller's grains with solubles (WDGS) in finishing diets containing steam-flaked corn. Dietary treatments ...

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