Poultry A26-35 Flashcards
(291 cards)
what do birds eat
seeds
how to increase feed intake in birds
make feed look like seeds
what are ducks beaks good for
filtering water but not picking up solid feed
how to geese feed
grazing
saliva in poultry
v small amounts
function of gizzard
grinds feed into smaller pieces
what type of food grind food
grits
transit time of birds
small intestine is small so short trasnit time
low time for absorb[ption
why can antinutritives be digested
amylase cant break bonds
viscosity of small intestine
high in narrow lumen so antinutritives bind to water soluble nutrients
vitelline diverticulum
former yolk sac
vitelline diverticulum
former yolk sac
caecum of birds
v small
only 10% of feed ends up there
feed energy to protein ratio
60-70% energy
30-40% protein
essential FA in birds
linoleic acid
deficiecny leads to decreased growth and skin problems
function of mash
decrease feed intake
ideal feed for young birds
crumbles
cereals for birds
corn
wheat
barley
orat
legumes for birds
field peas
horse bean
lupin
soybean
extracted meals for birds
soybean meal
extracted sunflower meal
extracted rapeseed
function of dilution of energy density
to avoid fast growth
bw at hatching of broilers
40g
bw at broiler slaughter
2.7kg
how long does fattening take
5-6weeks