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Post-Ruminal Digestion
Post-Ruminal Digestion
12
Agriculture
Undergraduate 4
02/20/2016

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Cards

Term
What is digestion?
Definition
processes by which macromolecules are degraded into simpler compounds to be absorbed by the GIT
Term
What components are digested in the SI?
Definition
starch
protein
lipids
nucleic acids
Term
What types of linkages do glucose polymers have?
Definition
alpha 1-4 and alpha 1-6
Term
Starch content of feed is _____ related to NDF content and _____ related to energy content
Definition
inversely
positively
Term
What enzymes digest starch? (3)

How does glucose get across the brush border?
Definition
alpha amylase
maltase
isomaltase

SGLT1
GLUT2
Term
Why do forages promote amylase production more than concentrates?
Definition
forages are high in protein which stimulates amylase
Term
What enzymes digest protein?
Definition
HCl
Trypsin/chymotrypsin/elastase/carboxypeptidase
Endopeptidase, aminopeptidase etc
Term
What transporters cary peptides? AAs?
Definition
PepT1 & PepT2

EAAT, CAT, ATA, LAT, ATB
Term
True or False

Lipids flowing to small intestine are less
saturated than in non-ruminants
Definition
false

more
Term
How are lipids digested?
Definition
salivary & abomasal lipase (minimal)

bile

pancreatic lipase
Term
How are FAs absorbed?
Definition
diffusion
Term
What actors affect nutrient requirements of an animal?
Definition
age
size
environment
genetics
disease
activity
species/gender
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