Clinical mastitis caused by E. coli can take a heavy toll on herd health and profitability. Keep cows mastitis-free with Pfizer E. coli Bacterin J-5 Strain. It protects with a regimen of just three shots, and has an excellent record for safety and efficacy.

• E. coli Bacterin - J-5 Strain - 20 Doses
• Aids in reducing clinical mastitis from E. coli
• Millions of doses given
• Excellent record of safety & efficacy
• Three shot program - dry off, 30 days later and 10-14 days post-calving
• Weight: Approximately .25 pounds
• Shipping Dimensions: Approximately 5 x 2 x 2 inches.