The document discusses managing feeder calf health, including recommended vaccination protocols and treatment strategies for common illnesses. Key points covered include vaccinating for Clostridial diseases, IBR, BVD, PI3 and BRSV upon arrival. If illness rates are over 5% per day, re-vaccination and treating with a second line antibiotic may be needed. Proper diagnosis, treatment protocols working with a veterinarian, and segregating sick animals are important aspects of health management.

1. Managing Feeder Calf Health Prepared for the 2011 North Dakota Feedlot School January 27, 2010 Charles L. Stoltenow, DVM, Diplomat ACVPM Associate Professor, Animal and Range Sciences Extension Veterinarian

2. All of my health programs start with nutrition. - Tim Richards, DVM, Kamuela, HI

5. Bovine Pneumonia

7. Vaccinations Risk Management

8. Wild-type Virus

9. Modified-Live Virus

10. Killed Virus

12. Challenge vs. Resistance Antibody needed for Resistance Challenge to the Immune System Time Amount of Antibody Present in Serum

13. Challenge vs. Resistance Antibody needed for Resistance Challenge to the Immune System Disease Time Amount of Antibody Present in Serum

14. Challenge vs. Resistance Antibody needed for Resistance Challenge to the Immune System Disease Time Amount of Antibody Present in Serum

15. Challenge vs. Resistance Antibody needed for Resistance Challenge to the Immune System Disease Time Amount of Antibody Present in Serum

16. Challenge vs. Resistance Antibody needed for Resistance Challenge to the Immune System Time Amount of Antibody Present in Serum

17. Response to One Dose of Vaccine Antibody needed for Resistance

18. Response to Two Doses of Vaccine Antibody needed for Resistance “ Insurance Policy”

32. Effect of timing of Tilmicosin metaphylaxis on control of bovine respiratory disease and performance in feeder cattle Elanco, 1999 Item Control Preshipment Postshipment No Animals/Pen 100/10 100/10 100/10 BRD Morbidity 54 29 15 Days to 1 st BRD 3.5 10.3 15.3 Treat Succ. % 41/54 (75.9) 24/29 (82.8) 12/15 (80.0) Treat Fail. % 13/54 (24.1) 5/29 (17.2) 3/15 (20.0) BRD Mortality 2 0 0 Initial Weight 437.4 448.1 440.2 28 Day Weight 525.8 537.1 534.0 Weight Gain 88.5 89.0 93.9 ADG 3.16 3.18 3.35 DMI 11.4 12.3 12.4 Feed/Gain 3.70 3.98 3.93

38. NDSU VDL Antibiotic Resistance Patterns for Mannheimia , 2006 n=298 Drug % Resistant % Susceptible % Intermediate Polyflex 17.1 82.9 0.0 Naxcel/Excede 0.0 100.0 0.0 Baytril 0.0 97.5 2.5 Nuflor 0.0 97.5 2.5 Micotil 5.0 90.0 5.0 Gentocin LA200 7.5 77.5 15.0 TMZ-SMZ 22.0 78.0 0.0 Penicillin 17.1 22.0 61.0 Amiglyde