SPF Knowledge
What does SPF stand for
What is Specific Pathogen Free
What percent of the flock are tested weekly?
What is 1.25%
What does CEF stand for
What is Chicken Embryo Fibroblast
Can you refrigerate SPF eggs
NO
How long does it take for a chicken to hatch
What is 21 days
What breed of chicken is used to make SPF
What is White Leghorn
What percent of the Flock is tested monthly
what is 5%?
How old are the embryos before CEF harvest's them?
what is 11 days?
How many eggs fit in a Box?
360
How many days does it take for a Chicken to start laying eggs
what is 168 days
How long is the shelf life of SPF eggs
What is 7 to 10 days
How many Pathogens are tested for in SPF flocks?
what is 32 pathogens
What type of Cells does Marek's diseases infect?
What are Fibroblasts?
What are approved Sanitizing Chemicals for Eggs
Quats, Phenols, Hydrogen peroxide
Who was the first commercial producer of SPF eggs
Sunrise Farms
Eggs have to be fertile to be considered SPF eggs
What is True/ Yes
What are the 2 criteria for choosing which tests are used to monitor the flock
What is quick and cost effective.
What 4 things does a tech look for when candling eggs?
Good embryo, no embryo, early dead, cracked/ broken shell
Eggs are Stamped with what?
Flock ID, NPIP number
Where do we get our SPF eggs from?
CRL and Valo
What Memo number defines SPF eggs
What is 800.65
What genetic line does QC use for Avian Leukosis?
What is Line 22
What does Trypsin do?
Trypsin breaks down the connection between cells.
What does CEF and Marek's use to neutralize Trypsin?
New born calf serum.
How many days before chickens can lay usable SPF eggs
189 days