Month: October 2014

Quality Assurance Assessments in Feedyards

Beef Cattle Institute Technical Bulletin           Title: Quality Assurance Assessments in Feedyards           Authors: T.R. Barnhardt, D.U. Thomson, S.P. Terrell, D.J. Rezac, D. Frese, S.J. Bartle, C.D. Reinhardt        

Effects of three dehorning techniques on behavior and wound healing in feedlot cattle

Author: C. D. Neely, D. U. Thomson, C. A. Kerr and C. D. Reinhardt Journal: J ANIM SCI 2014, 92:2225-2229 Abstract: Crossbred horned steers and heifers (n = 40; BW = 311.8 ± 4.7 kg) were used to determine the effect of dehorning

An audit of the current U.S. Department of Agriculture frame size scoring system

Author: C. D. Reinhardt, W. D. Busby Journal: J ANIM SCI 2014, 92:2654-2659 Abstract: Feedlot and carcass data from steers (n = 16,700) and heifers (n = 6,357) originating from 16 different states and fed in 17 feedlots located in southwest Iowa were

Feeding zilpaterol hydrochloride is associated with decreased dry matter intake shortly after initiation of feeding dependent on season and previous intake

Author: C. D. Reinhardt, C. I. Vahl, B. E. Depenbusch, J. P. Hutcheson and D. U. Thomson Journal: J ANIM SCI 2014, 92:4751-4760 Abstract: A database of daily feed deliveries for steers and heifers fed at 3 commercial feedyards in Kansas between January

High-dose anabolic implants are not all the same for growth and carcass traits of feedlot steers: A meta-analysis

Author: C. D. Reinhardt , J. J. Wagner Journal: J ANIM SCI 2014, 92:4711-4718 Abstract: A meta-analysis of studies evaluating feedlot steer implant programs was conducted to evaluate the differential effects of anabolic implant dosage on feedlot performance and carcass traits. The effect sizes

Relationships between feedlot health, average daily gain, and carcass traits of Angus steers

Author: C. D. Reinhardt ,M. L. Hands ,T. T. Marston , J. W. Waggoner and L. R. Corah Journal: The Professional Animal Scientist 28 ( 2012 ):11–19 Abstract: Angus steers (n = 17,919) fed at a single feedlot in southwestern Kansas between 1997

Implementation of industry-oriented animal welfare and quality assurance assessment in Kansas cattle feeding operations

Author: Tera R. Barnhardt, DVM; Daniel U. Thomson, DVM, PhD; Shane P. Terrell, DVM, MS; Darrell J. Rezac, MS, PhD; Daniel A. Frese, DVM; Chris D. Reinhardt. Abstract: Consumer interest in production agriculture has prompted the beef industry to develop tools to increase accountability of

Stability of Rumen pH Measurements Obtained Postmortem

Author: T.L. Lee, D.U. Thomson, B.W. Wileman Abstract: Seventeen 350 lb (159 kg) Holstein steers were utilized to determine stability of rumen pH postmortem. Cattle were randomly assigned to two whole-corn ration treatment groups: 1) limit-fed (7.5 lb; 3.4 kg) or 2) fed ad libitum (9.5 lb;

Case study: Effects of undifferentiated bovine respiratory disease on performance and marbling deposition in feedlot steers fed to a common yield grade endpoint

Author: Daniel U. Thomson, Eric S. Moore, Brad J. White, Chris D. Reinhardt Abstract: A total of 202 Angus steers with an average body weight (BW) of 678 ± 73 lb (308 ± 33.2 kg) were used to evaluate the effects of undifferentiated bovine respiratory disease (BRD) on

Effects of timing of chlortetracycline in combination with decoquinate on growth performance, health, and carcass characteristics of feeder steers

Author: Daniel U. Thomson, DVM, PhD; R. Spencer Swingle, PhD; Mark Branine, PhD; Steven J. Bartle, PhD; David A. Yates, PhD Abstract: Steer calves (n = 1690) were used in a 220-day study to evaluate the effects of chlortetracycline (CTC) plus decoquinate (DEQ) on health