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Ewen Ferguson OABP/OABA Guelph April 29-2004

Maximizing Dairy Farm Efficiency. Ewen Ferguson OABP/OABA Guelph April 29-2004. Troubleshooting Farm Problems with Records. Not always a problem-validation Records will allow you to ask questions—not give answers Be careful of snapshots—look for history. Records. Easily accessible

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Ewen Ferguson OABP/OABA Guelph April 29-2004

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  1. Maximizing Dairy Farm Efficiency Ewen Ferguson OABP/OABA Guelph April 29-2004

  2. Troubleshooting Farm Problems with Records • Not always a problem-validation • Records will allow you to ask questions—not give answers • Be careful of snapshots—look for history

  3. Records • Easily accessible • Easily understood • Meaningful—believable

  4. Record Use • Monitor/troubleshoot • Production/components • Health/culling • Udder health • Reproduction • Benchmarking—yourself/others • List generator • To do lists

  5. DC 305 • How I use to monitor monthly • Things I look at • How I make it easy • How I use to troubleshoot • Look at exceptions • Develop action points

  6. Monthly overview:Things I look at • Monitor (monitor) • Test day summary (tdsum1) • “Feeding guide” • Herd Repro Inventory • 305M graph (grrh305) • Test day SCC (highscc)

  7. DIM, peak, components, persistency

  8. Working list: works well in tie stall barns

  9. Making it easy • Linked reports!!! • Single keystroke • Office staff can generate reports

  10. monitor!tdsum1!grrh305!highscc

  11. Troubleshooting • Monitor/troubleshoot • Production/components • Health/culling • Udder health • Reproduction • Benchmarking—yourself/others

  12. Production/Components Production: (over time / test day) • Herd variations • Lactation Group variations • Individual variations Components: • High/Low BF • Ratio

  13. Herd production trends over time (average)

  14. Lactation group trends over time (average)

  15. Production (test day)

  16. Fat and Protein % over time (average)

  17. Butterfat % (test day)

  18. BF Ratio (test day)

  19. Sub Clinical Ketosis (Duffield) • Gold Standard—Serum BHBA>1400umol/l • Ketotest100umol/L BHBA in milk (80% sens/spec) • Goal: <20% SCK • Look at proportion of cows with a protein: fat ratio <.75 on 1st DHI test and BCS > 4 • High Risk Herds: >40% PFR <.75 >10% BCS >4

  20. % Butterfat distribution (graph pctf)

  21. Health/Culling • Many health events can be recorded • We do a very poor job • Missing a large opportunity to improve herd health • Need to establish guidelines and disease definition • Need to standardize

  22. EGRAPH

  23. Events • Poorly utilized • Get CSR’s to enter (or on farm) • Close the loop • Get advisor to discuss/comment • Very powerful motivator

  24. When and why do cows leave the herd? L %id age dim milk pctf pctp scc disp for (ec=14) (ec=15) dim<305 age>12 by stage\da

  25. 25% of cows leaving dairy herds in Minnesota between 1999 and 2001, did so in the 1st 60 days. Godden 2003

  26. Udder Health • Sub clinical • Excellent reports • Passive • Clinical • Like events—under utilized • Active—someone needs to record and enter • Need to standardize

  27. New Chronic Cured OK

  28. Chronic <10% New<10% Cured 70% Dry Cow OK 70%

  29. Cured Chronic New OK

  30. Chronic Cured New OK

  31. Reproduction • Excellent reports but… under-utilized • Pregnancy rates not well understood • Need to enter accurate data • Need to enter all breedings and confirmed pregnancies • Important to monitor

  32. Repro Commands • Bredsum\ev50 for lact>0\d280 • “v” sets VWP • Report • Graph • Add “r” for regression graph (evr)

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