Egg-Strain Pullet and Hen Management
What is the name of the feather that separates the primary and secondary wing feathers?
axial
For a developing embryo, the outer layer of cells is termed what?
Ectoderm
Producers usually schedule how many days of storage in in-house pits to prevent spreading wastes on pastures for slow-growth or dormant crops when nutrients are not fully used?
90-120 days
For growing turkeys, provide a minimum of one feed pan per _____ toms or ____ hens.
50, 60
On what day of chick embryo development does the embryo start to look bird-like?
9
Which of these characteristics and qualities are of the most importance when evaluating egg type hens for production?
- head and head parts
- plumage condition and molt
- pigmentation
- constitutional vigor and vitality
pigmentation
What is the estimated range of cells present in a fertile egg after it is layed?
15,000-60,000
What is dry stack storage
Storage of large quantities of dry manure in a roofed storage building is known as what type of storage?
___________ is the most popular and inexpensive sanitizer used in turkey houses.
Chlorine
In ovoinjectin systems are considered for ______________ disease protection and administration of other vaccines.
Marek's
At what percentage of egg production do producers decide to molt the flock to produce a higher level of egg production?
50-60%
What is Day 5 in incubation
Feathers growth begins at approximately what day of egg incubation?
What type of composting involves the placing of manure in long rows, typically 3-5 ft tall and 5-10 ft long, that are regularly mixed to ensure adequate ventilation for aerobic bacteria?
Windrowing
Daily water consumption for turkeys is _____ gallons per 1,000 turkeys at 16 weeks of age.
209
In commercial incubation, hatching eggs are transferred from the incubator to the hatching unit at 18 days of incubation. At this time eggs should be placed _______________.
on their side
Warm air brooding systems for egg strain pullets have a temperature of __________ at chick level.
90-95 degrees F
Cell division stops after the fertile egg drops below what temperature?
85°F
What are Settling tanks
Settling tanks are concrete block structures that are constructed outside the poultry house to collect settable solids and to skim floating material from the flush water.
While raising commercial turkeys it is best to maintain relative humidity levels between ______ during cold weather to ensure proper ventilation is occuring?
50-70%
Eggs are prewarmed before setting in the incubator to a temperature of ________.
75-80 F
In 1999, the European Union announced that conventional cages would be banned in ________.
2012
During embryo-genesis, this membrane is attached to the inside of the shell and helps exchange oxygen and carbon dioxide, acts a reservoir to collect solid wastes, and removes calcium from the shell to be used by the embryo to form bones.
Chorioallantoic
What is Rotary drum composting
What type of composting provides agitation, aeration and mixing of the compost to produce a consistent and uniform end product?
In whole house brooding, stoves should ideally be located 7-8 feet off of the shavings with floor temperature under the heater at ___________ for day of placement.
110-115 F
Eggs are turned during incubation for which of the following reasons?
prevent embryo from sticking to shell membranes and aid development of embryonic membranes