Please enable JavaScript.
Coggle requires JavaScript to display documents.
LU2:Digestive system :<3: (2.Measure Food (Voluntary Food Intake (VFI),…
LU2:Digestive system :<3:
1.Foraging
Ways animals obtain food
simple mind animal
Mostly herbivor
cow, goat
Grazes/browse grass
Uses less energy
Mostly high quality food
complex mind animal
Uses more energy
Sit & Wait
Crocodile, Frog
Chase and Capture
Tiger, Lion
2.Measure Food
Voluntary Food Intake (VFI)
Differences between dry matter (food given to animal) and the leftover dry matter (food that the animal not eat)
VFI = 10kg (dry matter) - 5kg (leftover)
3.Control Food Intake
Short term
Pressure receptor
Send signal to brain "please :no_entry: stop receive food"
Glucoreceptor by hypothalamus
Long term
Fat deposition
Hormone leptin secreted (by white adipose tissues) to neuropeptin
Migratory Bird
Bear
Food Digestion
Ways digestion
Physical
Chemical
Classification
Intracellular
1.Simple & not complex
2.Direct difuse into cytoplasm
3.Less efficient
Protozoa
(Unicellular)Cnidaria
Cnidaria (Multicellular)
Food Digestion Process
Extracellular
1.Complex
2.from high class of kingdom
3.Unidirectional
Vertebrates
Frog
Aves
Fish
Mammals
Monogastric
process
Small Intestine
Digestion - enzyme (refernote)
Secretion - bile
Motility - chyme
Stomach
Secretion - hormone gastrin
Absorption
Digestion - pepsin + HCL = polypeptide
Hindgut Fermenters
Large Intestine - Insoluble
Stomach - Soluble
Ruminant
Foregut Fermenters
NPN
microbial protein
Microbial Fermentation
End prpoducts
4 more items...
Rumen - Soluble Insoluble
Annelids
Ant
Anthropods
Earthworm
5.Food Absorption
Movement of end-product of digestion across the epithelial lining of the gut in the circulatory system.
Glucse/ Glactose & Amino acid - co-transport carriers
Fructose - facilitated diffusion
Minerals - simple diffusion / active diffusion
FFA - passive diffusion
Large Intestine
Folic acid
Vitamin B & K
Biotin
generated gasses - methane, hydrogen, sulfide
90% water
Fermenting dietary fiber into short-chain fatty acid
SUMMARY
