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Determination of the mechanism(s) by which direct-fed microbials control Escherichia coli O157:H7 in cattle
(2009-05)
Scope and Method of Study: The purpose of this experiment was to investigate the possible mechanisms responsible for the success of the direct-fed microbials, Lactobacillus acidophilus and Propionibacterium freudenreichii ...
Black-tailed Prairie Dog and Large Ungulate Response to Fire on Mixed-grass Prairie
(Oklahoma State University, 2010-12-01)
Restoring historic fire-grazing regimes and the declining keystone species the black-tailed prairie dog (Cynomys ludovicianus) are two management priorities in North America's grasslands. My study sought to investigate the ...
Ancillery therapy use and trace mineral supplementation in beef cattle: Impacts on clinical health, immune response variables, animal performance, and carcass traits
(2014-07)
Newly received calves that received antimicrobial treatment for bovine respiratory disease (BRD) were randomly assigned to 1 of 4 experimental ancillary therapy (ANC) groups: flunixin meglumine (NSAID), viral vaccination ...
Measurement of Exhaled Nitric Oxide and Carbon Dioxide in the Breath of Beef Calves
(Oklahoma State University, 2006-07-01)
Two experiments were conducted to test the ability to measure exhaled nitric oxide (eNO) and exhaled carbon dioxide (eCO 2 ) in the breath of healthy beef calves and calves showing clinical signs of bovine respiratory ...
Use of co-products from biofuels as a feed source for cattle and influence on the meat industry
(2009-12)
Scope and Method of Study: Due to increased production of ethanol, frequency of distillers grains (DG) is on the rise. The objective was to determine the effects of wet (WDG) or dry (DDG) distillers grains on final product ...
Use of near Infrared Reflectance Spectroscopy for the Characterization of Wheat and Barley Grain Entering Feedlots in Western Canada
(Oklahoma State University, 2014-05-01)
The first experiment evaluated the use of near infrared reflectance spectroscopy (NIRS) for the nutrient prediction of wheat grain and the factors affecting in vitro dry matter digestibility (IVDMD) and in vitro kinetics ...
Evaluation of Diet Adaptation Programs and Supranutritional Dietary Antioxidants for Feedlot Cattle
(Oklahoma State University, 2010-12-01)
To evaluate feedlot performance and carcass characteristics of finishing beef steers fed diets containing wet distiller's grains with solubles (WDGS) and supplemented with vitamin E, one hundred ninety-nine steers (370 ...
Vegetation response to fire and domestic and native ungulate herbivory in a Wyoming big sagebrush ecosystem
(Oklahoma State University, 2011-12-01)
Coupling of fire and grazing as a landscape management tool is a global phenomenon in many diverse landscapes. While grazing exclosure studies examining the effects of livestock on rangelands have provided insight into the ...
Oklahoma Quality Beef Network: Price Premiums from a Preconditioning Program
(Oklahoma State University, 2004-07-01)
The proposed study determined if an extra value existed in the preconditioned calves involved in this particular program. It is going to estimate the price differences between cattle sold through the OQBN program and ...
Production Practices and Management Intensity of Oklahoma Cow-calf Producers Across Income and Herd Size
(Oklahoma State University, 2007-07-01)
The purpose of this study was to analyze management practices of two groups of Oklahoma cow-calf producers based on commercial herd size and income dependency from beef production. Logit models were estimated to determine ...