LECTURE 8: Poultry Vaccination Basics Flashcards
What are two major methods for vaccination?
- Hatchery
- Field Vaccination
What are the 6 types of live vaccines?
- In-ovo
- Modified Live
- Recombinant (live)
- Killed (injectable)
- Autogenous
- Bacterins
In ovo vaccination is capable of vaccinating ______eggs per hour
60,000 eggs/hour
What commodity uses in ovo vaccination?
Broilers
When is in ovo vaccination given?
18 days when eggs transferred to the hatcher
Most vaccines are injected into what part of the egg? Why?
Amnion, that is where the bird can actually digest the vaccine
When storing both live and killed vaccines what should you avoid?
Freezing temperatures
Why shouldn’t you use dorm freezers to store vaccines?
Powered by freezer, sends cool air and can get out of control and vaccine can freeze
Just before application what should you do to a live vaccine?
Mix with diluent
What is included with inactivated vaccine prep?
Heating up the vaccine
What 2 methods can you use to prep inactivated vaccines?
Water baths and heat mats
What is the ideal temperature for inactivated vaccine?
90-100 degrees F
What temp should live vaccines be stored at?
35-45 degrees F
Where are broken emulsions common?
Killed vaccines
What happens if a vaccine is too cold?
Breast granulomas
decreased feed and water intake
Broken emulsion is defined as?
three separate layers of liquid within the vaccine
Haemorrhage at the injection site and leakage of vaccine is due to?
Blunt needles
Young birds what size droplets should you use for a spray vaccine? What about older birds?
Coarse droplets
Fine droplets
How many sprayers should you use for cage free?
2-3 sprayers
What should you use to rinse the empty vial?
Distilled water
When you’re spraying a house what is important with the ventilation?
Shut off ventilation and then restore after vaccine administration
When should you administer waterline vaccination?
Feed day
How should you prep water lines for waterline vac?
Remove all medication, sanitizers, chlorine from H20 48 hrs prior
Why do you add vaccine stabilizers with waterline vac?
Dye to monitor that the line is 100% charged before you drop the vaccine to the birds
How much time should you allow for the consumption of a waterline vaccine?
2 hours
Water withdrawal for waterline vaccinations depends on what?
Climate
When giving an eye drop vaccine what should you check before administration?
That you have the right vaccine
Once you administer an eye drop vaccine why do you have to wait a second before passing the bird on?
The drop needs a second to take to the eye
Eye drop vaccines are typically used for __________.
ILT and MG
To monitor vaccine amounts for eye drop vaccines how should you audit that to know how much to order?
Check number of doses used/ number of birds vaccinated
What sectors use wing web vaccines?
layers, breeders, and turkeys
For turkeys where should you use pox virus?
DRUMSTICK
NEVER IN WING WEB
For wing web vaccines what should never be done?
Never top off vaccine holders because you are diluting good vaccine
What should you look for after you vaccinate via wing web?
That the vaccine took. Skin almost bubbles or mounds
Titer levels are _____.
Variable
When do you draw serum?
3-5 weeks after live vaccines
6-8 weeks after inactivated vaccines
