Animal Nutrition Exam 3 Flashcards
Deanimation
Removal of the amino group
The primary source of Nitrogen in the diet
Proteins
Positive Nitrogen Balance
Growth, Pregnancy, Recovery
Nitrogen Equilibrium
Healthy adult animals
Negative Nitrogen Balance
Poor quality protein, disease, infections, low energy, overall ASS
Limiting amino acids
Slows protein synthesis, Increases breakdown
Carbon Skeleton Uses
Make glucose, make fatty acids, broke down for energy
Liver detoxifies Ammonia and makes _____
Urea
What is the travel of urea?
Urea -> blood -> kidneys -> bladder -> out of body
BUN?
Blood Urea Nitrogen
High BUN level?
Kidney Disease :0
Low BUN level?
Liver disease :0
What are Lipids?
Organic Molecules
Macronutrients
Derived from plants AND animals
Hydrophobic
insoluble in water
Soluble in fat
Lipophilic
What are Fatty acids?
A key building block of most lipids
The most common type of lipid
Most of the lipids the animal eats are fatty acids
Double bonds in Saturated fatty acid?
No double bonds
Double bonds in Unsaturated Fatty acids?
Monounsaturated = 1
Polyunsaturated = more than 1
The shape of a carbon chain is determined by…
Saturation (amount of double bonds)
Type of double bonds (cis/trans)
Location of the double bond in carbon chain
Nutritionists count to the first double bond from the (omega) end.
Why are Linoleic Acid [18:2, omega-6] and Alpha-Linolenic Acid [18:3] essential?
The body cannot form double bonds before the 9th carbon.
Which fatty acid is only essential in cats?
Arachidonic Acid [20:4, omega -6]
Triglycerides
1 glycerol + 3 fatty acids
Most Fatty acids exist as part of triglyceride molecules
95% of lipids in our food/body are triglycerides.
Phospholipids
Phosphorus-containing lipids
1 glycerol + 2 fatty acids + phosphate group
water-soluble head and fat-soluble tail