83 Evaluation of feeding immunoglobulin-Y to Holstein feeder cattle for the control of liver abscesses & reduction of macrolide-resistant bacteria dissemination

Agriculture & Biology

• immunoglobulin Y 100%
• feeder cattle 98%
• liver abscess 90%
• macrolides 73%
• Holstein 51%
• Fusobacterium necrophorum 46%
• Arcanobacterium pyogenes 44%
• macrolide antibiotics 42%
• beef industry 42%
• tylosin 40%
• bacteria 33%
• feedlots 33%
• Enterococcus 32%
• diet 30%
• finishing 27%
• feed intake 25%
• concentrates 24%
• feces 24%
• antibiotics 22%
• phosphates 21%
• cattle 18%
• liver 17%
• infection 15%