A Look at A Vaccinal LT Outbreak---A Dress Rehearsal for Avian

Influenza?NIAA 2014 ANNUAL CONFERENCE

OMAHA, NEBRASKA

APRIL 2,2014

◦ Infectious Laryngotracheitis (ILT):

A highly infectious disease of birds of all ages caused by avian herpesvirus I and characterized by a very rapid spread of respiratory distress. The mortality rate may be as high as 70%

Vaccinal: Associated with or having to do with vaccine or vaccination

Avian Influenza: A highly contagious disease that affects the respiratory tract, digestive tract, and nervous system of many species of birds. The mortality rate can reach 90-100 percent within 48 hours.

There are striking similarities between ILT and Avian Influenza Relatively short (3-10 days) incubationReadily transferred on fomitesHigh mortality to susceptible birdsDisposition of dead birds

Cullman County, Alabama

Formula for a Train Wreck?

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The Fire Ignites

1998—8 Cases

1999---109 Cases

Contributing FactorsJust Being Good NeighborsCompany Service PersonnelUtility and Repair Personnel

We Never Go Anywhere

Off-the-Farm Employment

Incomplete Vaccine Coverage

Non-commercial Poultry

On-Farm Operations Besides Poultry

Farm Tours and Lack of Biosecurity

Farm Density Involving Varying Ages and Co’s

Changes that Resulted From Vaccinal LTMore Communication Among All Stakeholders---Alabama Poultry Health Task Force

Biosecurity Education and Plans

State Veterinarian controlled vaccines

Method and timing of commercial leghorn vaccine programs

Poultry Epidemiology Report Form

EMERGENCY POULTRY DISEASE REPORTOWNER NAME:FARM NAME:COMPANY:SERVICE TECH:TYPE OF OPERATION:GRID LOCATION:GPS LOCATION:PREMISE ID NUMBER:COUNTY:COMMUNITY:FARM ADDRESS/DIRECTIONS TO FARM:PHONE #:TYPE OF HOUSES(Cool Cell, Conventional, etc.):NUMBER OF HOUSES:OTHER LIVESTOCK ON THE FARM? IF YES, DESCRIBE:DESCRIBE MORTALITY INCREASE:WHEN DID YOU FIRST NOTICE PROBLEMS WITH BIRDS?

WHAT SYMPTOMS DID YOUR BIRDS EXHIBT? AGE OF BIRDS WHEN DIAGNOSED: WHERE DID THE PROBLEMS START? WAS YOUR LAST FLOCK VACCINATED? DID YOUR LAST FLOCK HAVE SIGNS OF ANY CONTAGIOUS INFECTIOUS DISEASE? OTHER THAN YOUR LAST FLOCK, HAVE YOU EVER HAD ANY CONTAGIOUS INfECTIOUS DISEASE TH ISFAR M? ONTH ISFARM? HOW LONG WERE YOU OUT OF BIRDS BEFORE THIS FLOCK?

HOW LONG SINCE CLEANING OUT HOUSES? DO YOU DO ANY TYPE OF HEATING HOUSES OR LITTER BETWEEN FLOCKS? WHAT DO YOU DO WITH YOUR LITTER WHEN IT IS REMOVED?

DO YOU USE DISINFECTANT IN HOUSES BETWEEN FLOCKS? HOW FAR IS IT TO THE NEAREST PULLET FARM? HOW FAR IS IT TO THE NEAREST BREEDER OR COMMERCIAL LEGHORNF ARM LEGHORN FARM? ARE YOU AWARE OF ANY BACKYARD OR OTHER TYPE POULTRY WITHIN A MILE OF YOUR PREMISE? IF ANY PREMISES WITH POULTRY ARE WITHIN 1/4 MILE, WHAT IS THE NAME OF THE OWNER?

QUESTIONS???