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Trends In The Percentage Of Doses Of Modified Live, Killed, And Combination Respiratory Viral Vaccines Administered To Beef Calves Offered For Sale In Summer Video Auctions From 2000 Through 2018, M. J. Smith, K. E. Fike, M. E. King, E. D. Mccabe, G. M. Rogers, K. G. Odde
Trends In The Percentage Of Doses Of Modified Live, Killed, And Combination Respiratory Viral Vaccines Administered To Beef Calves Offered For Sale In Summer Video Auctions From 2000 Through 2018, M. J. Smith, K. E. Fike, M. E. King, E. D. Mccabe, G. M. Rogers, K. G. Odde
Kansas Agricultural Experiment Station Research Reports
Objective:The objective of the study was to identify trends in the percentage of doses of modified live, killed, and combination respiratory viral vaccines administered to lots of beef calves.
Study Description:Nineteen years of data (2000–2018) from a livestock video auction service (Superior Livestock Auction, Fort Worth, TX) were analyzed to quantify trends in percentage of doses of respiratory viral vaccine administered to beef calves. Named respiratory viral vaccines were classified into three groups based on the antigens they contained: all modified live antigens, all killed antigens, and combination of modified live and killed antigens. The Cochran-Armitage Trend Test …