chicken anatomy
serves as a cooling system; unique to chickens
comb
picks up food
beak
contains a single female cell
blastodisc
made up of the shell, shell membrane, air cell, outer thin albumen, chalazae, yolk membrane, and yolk
egg
classes of grading
AA, A, B
2 appendages under the chin; more prominent in male birds
wattle
used for temporary food storage
crop
large, coiled tube where all parts of the egg are formed other than the yolk
oviduct
pure, high quality protein, cushions embryo
egg white (albumen)
highest poultry quality grade
Grade AA
helps insulate birds and prevent skin from getting wet
feathers
muscular organ where food is ground and mixed with gastric juice
gizzard
acts as a funnel to catch released ovum
infundibulum
hard protective covering
shell
what is inspection for
assures wholesomeness and food safety
some birds have ___ bones that serve as part of the respiratory system
hollow
carries food from the beak to the crop
esophagus
where the inner and outer membranes are formed
isthmus
between inner and outer membrane; absorbs shock
air pocket
characteristics of a grade AA egg:
thick/ firm egg white, high round yolk, and clean unbroken shell
the process of hens losing feathers once a year when they stop laying eggs
molting
used to expel feces and lay eggs
cloaca
the ovum is seen as ____ in a fresh egg
yolk
protect against bacteria; control evaporation
membranes
grading and inspection are both responsibilities of the___
USDA