2016 MN FFA Poultry CDE Test

What percentage of hatch of chicks would be expected for eggs in which the head of the embryo develops oriented toward the pointed (small) end of the egg?

• wing and tail
• neck and wing
• neck and thigh
• none of the above

The term for passing or laying of an egg is

• ovulation
• expulsion
• oviposition
• cycling

What percentage of hatch of chicks would be expected for eggs in which the head of the embryo develops oriented toward the pointed (small) end of the egg?

• 0.25
• less than 50%
• 0.75
• 0

Which of the following nutrient deficiencies of the hen may affect embryonic development but not necessarily prevent egg formation from occurring?

• calcium
• vitamins and trace minerals
• phosphorus
• calcium and phosphorus

Transmission of infectious agents in poultry by contact, such as touching, pecking, or mating or from droplet spread, is considered a form of

• vehicle-borne transmission
• vector-borne transmission
• airborne transmission
• direct transmission

A major component of biosecurity is

• isolation
• traffic control
• sanitation
• all of the above are components of biosecurity

Three factors known to influence the total incubation time required for a setting of eggs to hatch are:

• incubation temperature, age of egg, and size of egg.
• egg storage temperature, season of year, and size of egg.
• incubation temperature, breed of chicken, and fertility rate.
• none of the above answers is correct.

Chicks are hatching with some difficulty and many are sticky and some have shell fragments stuck to their wings and back. Which condition most likely contributed to this problem?

• odd shaped eggs
• genetic defects
• washing eggs in hot water
• incubator temperature too high (day 20 to day 21)

The recommended light intensity at bird height for market broilers is:

• 10-20 lux
• 10-20 photons
• 20-40 foot-candles
• 10-20 foot-candles

How often are commercial female turkey breeder hens artificially inseminated?

• weekly
• biweekly
• twice per week
• The hens are not artificially inseminated, rather natural mating is used