Results 11 to 20 of about 19,910 (216)

Bird-livestock interactions associated with increased cattle fecal shedding of ciprofloxacin-resistant Escherichia coli within feedlots in the United States

Scientific Reports, 2020
This research study was conducted to determine if bird depredation in feedlots is associated with the prevalence of ciprofloxacin-resistant Escherichia coli in cattle and to determine if removal of invasive bird species could be an effective management ...
J. Carlson, J. Chandler, B. Bisha, J. Lejeune, T. Wittum   +4 more
semanticscholar   +2 more sources

Causes of death of beef cattle raised in feedlots [PDF]

Pesquisa Veterinária Brasileira, 2020
: The causes of death of cattle kept in pre-export feedlots (PEFs) and in feedlot for finishing for slaughter are described. Two studies were conducted: a retrospective study of mortality cases in feedlots from 2000 to 2017 registered at the “Laboratório
P. Estima-Silva, P. A. Oliveira, F. Bruhn, H. V. Scheid, Lucas S. Marques, L. S. Ribeiro, A. L. Schild   +6 more
semanticscholar   +3 more sources

Associations among growth, scrotal circumference, and visual score of beef cattle in performance tests on pasture or in feedlots

Revista Brasileira de Zootecnia, 2017
This study aimed to evaluate associations among final weight (FW), average daily gain (ADG), scrotal circumference (SC), and visual score (VS) of beef cattle in performance tests on pasture or in feedlots.
F. Raidan, Juan Salvador Andrade Tineo, M. M. Moraes, Thiago Campos Escarce, A. M. Araújo, Muller Marques de Carvalho Gomes, H. T. Ventura, F. Toral   +7 more
semanticscholar   +3 more sources

A snapshot of nutritional recommendations and management practices adopted by feedlot cattle nutritionists in Brazil in 2023. [PDF]

Front Vet Sci
IntroductionThis survey was conducted to provide an overview of the nutritional strategies and management practices used by feedlot nutritionists in Brazil.MethodsThe online questionnaire consisted of 100 questions and covered a wide range of topics ...
Monsalve JG, Millen DD.
europepmc   +2 more sources

The association of multiple metrics for evaluating antimicrobial use in U.S. beef feedyards

Frontiers in Veterinary Science, 2023
In order to accurately portray antimicrobial use in food animals, the need for standardized metrics, and an understanding of the characteristics of different metrics, has long been recognized. Fourteen U.S.
Michael D. Apley, Nora F. D. Schrag, David E. Amrine, Brian V. Lubbers, Randall S. Singer, Randall S. Singer   +5 more
doaj   +1 more source

An Experimental Field Trial Investigating the Use of Bacteriophage and Manure Slurry Applications in Beef Cattle Feedlot Pens for Salmonella Mitigation

Animals, 2023
Post-harvest Salmonella mitigation techniques are insufficient at addressing Salmonella harbored in cattle lymph nodes, necessitating the exploration of pre-harvest alternatives that reduce Salmonella prior to dissemination to the lymph nodes.
Colette A. Nickodem, Ashley N. Arnold, Matthew R. Beck, K. Jack Bush, Kerri B. Gehring, Jason J. Gill, Tram Le, Jarret A. Proctor, John T. Richeson, H. Morgan Scott, Jason K. Smith, T. Matthew Taylor, Javier Vinasco, Keri N. Norman   +13 more
doaj   +1 more source

Measurement of Long-Term CH₄ Emissions and Emission Factors from Beef Feedlots in Australia

Atmosphere, 2023
One of the major challenges for the Australian feedlot and meat sectors is to have accurate and robust long-term greenhouse gas (GHG) emissions data. Long-term measurements of methane (CH4) emissions (2015–2017) were made at two Australian beef feedlots ...
Mei Bai, Trevor Coates, Julian Hill, Thomas K. Flesch, David W. T. Griffith, Matthew Van der Saag, Des Rinehart, Deli Chen   +7 more
doaj   +1 more source

Antimicrobial use in 20 U.S. beef feedyards: 2018–2019

Frontiers in Veterinary Science, 2023
The objective of this study was to report antimicrobial use in a convenience sample of U.S. beef feedyards for the years 2018 and 2019. In addition to antimicrobial use metrics, also reported are the indications for antimicrobial use and outcomes related
Michael D. Apley, Nora F. D. Schrag, David E. Amrine, Brian V. Lubbers, Randall S. Singer, Randall S. Singer   +5 more
doaj   +1 more source

Using Radio-Telemetry to Assess the Risk European Starlings Pose in Pathogen Transmission Among Feedlots

Human-Wildlife Interactions, 2017
We monitored site-use and movements of 102 radio-tagged European starlings (Sturnus vulgaris) during the winter months at 2 concentrated animal feeding operations (feedlots) in central Kansas.
Shannon M. Gaukler, H. Jeffrey Homan, George M. Linz, William J. Bleier   +3 more
doaj   +1 more source

Monitoring Mycoplasma bovis Diversity and Antimicrobial Susceptibility in Calf Feedlots Undergoing a Respiratory Disease Outbreak

Pathogens, 2020
Bovine respiratory diseases (BRD) are widespread in veal calf feedlots. Several pathogens are implicated, both viruses and bacteria, one of which, Mycoplasma bovis, is under-researched.
C. A. Becker, C. Ambroset, A. Huleux, A. Vialatte, A. Colin, A. Tricot, M. Arcangioli, F. Tardy   +7 more
semanticscholar   +1 more source