This document discusses goals and strategies for driving pig performance while reducing antibiotic usage. The goals are excellent nursery to finish performance metrics and health while limiting antibiotic treatment and environmental issues. Key strategies include maintaining high health status, eliminating diseases, focused biosecurity, and robust vaccination programs. Ileitis control is used as an example, where uncontrolled outbreaks can increase mortality, medication costs, and antibiotic usage, particularly late in finishing. Mass vaccination programs for ileitis are presented as a reliable and predictable method of control that reduces antibiotic usage, residues, and risk compared to continuous or pulse feed medications.

1. Driving Pig Performance
in a Changing World of
Antibiotic Usage
Mike Eisenmenger
Leman Conference 2015
Boehringer-Ingelheim Media Dinner

2. Goals:
• Excellent NGF performance: Nursery-Finish or W-F
• Nursery mortality- >1%
• Finish mortality- >2%
• W-F Mortality- >3%
• ADG Nursery ->0.9 pound/day
• Finish ADG->1.9 pounds/day
• W-F ADG->1.65 pounds/day

3. Goals:
• Excellent NGF performance: Nursery-Finish or W-F
• Change of status of some metrics?
• Prevention vs. treatment
• Limited antibiotic usage
• No environmental issues
• Clean, safe, bright environment
• Site appearance

4. Goals:
• Reduced need for antibiotics to control/treat infectious
disease
• An “easy” pig to raise in nursery finish/W-F
• Requires less daily health management input
• Less Antibiotic Injections
• Number of pigs moved from the general population to hospital pens
due to injury or illness
• Less daily health management labor
• Robust
• Reduced illness, easily overcome health challenges
• Less inflammatory response
• Can better handle minor environmental issues
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5. How to Accomplish the Goals:
• High Health Status (low number of diseases
transmitted from the farrowing house)
• Eliminate the diseases that we can
• Mycoplasma hyopneumonia
• PRRS
• APP

6. How to Accomplish the Goals:
• Focused Biosecurity Programs
• Keep out what we have worked hard to eliminate
• Sow farms
• Filtration
• Specialized load in/out rooms

7. How to Accomplish the Goals:
• Focused Biosecurity Programs
• Keep out what we have worked hard to eliminate
N/F & W-F
• Building design/layout
• Mortality removal
• Shower in/out

8. How to Accomplish the Goals:
• Robust Vaccination Program for the pathogens we can
not eliminate
• Salmonella typhimurium/chloreasuis
• E Coli- K88/F18
• Ileitis
• Circo virus
• Erysipelas
• PRRS
• Streptococcus suis
• Haemophilus parasuis (Hps)

9. Typical Vaccination Program
• Sow Farm:
• Ingelvac Circoflex/Mycoflex at wean- 2 cc/pig
• Ingelvac PRRS MLV vaccine- at wean or in nursery depending
on sow farm vaccination program
• Strep suis/Hps autogenous as needed
• Early nursery:
• K88/F18 E. coli-oral
• Enterisol Salmonella T/C- oral
• Late nursery:
• Enterisol Ileitis- oral

10. Use Ileitis as an example
• Most systems I see will have production losses if a
control program for ileitis is not utilized.
• Most losses will be late finishing (most expensive time-
costs “all in”)

11. Production Systems
• Sows in upper Midwest- 350,000
• Farms make prrs negative weaned pigs consistently
• Well down the road of myco elimination programs
• Both straight line flow and commingled sow farm pig
flow
• Nursery- finish and W-F flows

12. What drove systems to
vaccination for ileitis?
• Consistent late bloody diarrhea
• Varies some by system but all see
• In several- nearly every lot group if no control programs
• Late finish mortality
• Can add 1-2% at end of turn
• High drug costs
• Easy to add >$1.00/head in medications
• Logistics
• Transportation

13. Use Ileitis as an example
• Marketing nightmare
• Drives antibiotic usage in and around the marketing
window!!
• Pig size at time of treatment dictates a lot of antibiotic use

14. Use Ileitis as an example
• Marketing nightmare
• Consistent relapses of Ileitis once off antibiotics (pull
medications to meet withdrawal (WD) times and manage
costs)
• Drugs and WD
• Tylosin- 2 days water and 28 days injection
• Lincomycin- 3 days water and 4 days injection
• Tylvalosin- 3 days water

15. Use Ileitis as an example

16. Antibiotic usage in an ileitis
outbreak
Grams/1000 head finisher
•Injections
• 250 grams linco/day
•Water
• >3000 grams linco in water
• >2500 grams tylan in water
• >4000 grams tylvalosin in water
•Medication costs, production loss, mortality, increased labor,
concern about antibiotic WD, unhappy caregivers, transportation
changes…………….

17. Antibiotics used in prevention
programs
• Continuous feed med programs-
• Tylosin feed->14,000 grams
• Per 1000 head barn
• Pulse feed programs
• Tylosin feed->8000 grams
• Per 1000 head barn

18. Ileitis- Methods of Control
• Continuous feed grade medications
• Expensive
• High antibiotic use rate
• End up here due to timing issues
• Pulse medication programs
• Feed or water
• Timing difficult to target in order to get correct control
• Variations group to group of exposure and concurrent issues
• Mass vaccination programs
• Reliable
• Predictable
• Easy to do

19. Ileitis- Vaccination Program
Outcome
• If we see late clinical ileitis
• Equals vaccine administration issues
• Fully understood by Service Managers in field
• Reduction of antibiotic use
• Decrease risk of antibiotic residue at marketing
• Reduction in mortality
• Full dose application- shorter antibiotic free window
post vaccine application
• Better Protection
• Better Return on Performance