Nutrition Exam 1 Flashcards
what molecules are carbs made of?
C H O
Whats the primary component in feed?
Carbs
Name the important Monsaccarhide carbs?
Fructose and Glucose (hexoses)
Name the important disacharide carbs?
Sucrose
Name the important polysacharide carb?
Cellulose and Starch
what the second most abundant thing in animals?
Protein (water is 1st)
AA are the build blocks to?
Proteins
a long chain of AA is a____?
Protein
Haemoglobin
Mineral + Protein
Glycoproteins
Carbs + Protein
Lipoproteins
Lipids + Protein
how many AA are used in animals?
20
What proteins are low in cerals
Lysine, Methionine & Tryotophan
Which is an essectial AA in cats
Taurine
what is a phosphoilipid
FA + Phosphrous
Sterols are?
Vit D + Cholesterol
My function is to be a concentrated form of stored energy, what am I?
Lipid
What are fats made of
FA
how many C are in a FA?
2-24
What is a Saturdated fat?
When all the carbondds are taken by an H
WHat percent of a monogastrics diet is FA?
1%
I am importan part of prostoglandins and the cell membrane?
FA
List the unsaturated FA
Palmitoleic, Oleic, Linoleic, linolenic and Arachindonic
Scaly skin, necrosis of the tail and poor feathering
Signs of FA deficiency
what spp is effected by FA defieciencies most?
Poultry
Linoleic and linolenic Fatty Acids are?
Essecnstial FA
I can not be decompossed or synthesised who am I
Mineral
If a mineral is above 100 ppm
its a macromineral
where are most minerals found in the body?
The skeleton
What is most abundent mineral in Ash
Ca at 46 %
what is the 2nd most abundent mineral in Ash?
P 29%
Which spp get Iron deficiencies?
Piglets
Whip spp gets coblet deficiencies?
Sheep
WHich spp gets selenium deficiences?
PIgs
WHich spp gets zinc deficiencies?
Goats and Chx
can you have to much minerals
yes
Name the Macro Minerals
Ca, P Cl, Mg, K, Na, S
Do you need large or small amounts of Vits
small
Are all VIts synthesized?
No some are some arent
Which Vit is not made by humans, pigs and monkeys
Vit C
Which vitamins are co factors
Water soluble
Vit B(1,2,6,12) and Vit C are
Water souluble
WHat roles fo Fat soluble Vits
Antioxidants, Vision, Ca Absorbtion
Vit A,D,K,E
Fat soluble
Where are mist Vits stored
Liver
I bind to specfic proteins who am I
A Vit
Are Vitamin deficiencies Rare?
No they are common
I am ANorexicm retarded growth, dermatits and muscular incordination
I have a vitamin deficiencie
Blidness
Vit A deficiencies
Rickettes
Vit D def
Tissue Hemorrhage
Vit K Def
Crazy chicken Disease-encephalomalacia
Vit E
Edema of eyelids
Vit B6
Whats the most important form of energy?
Carbs
4.184 J
is 1 cal
Gross Energy is measured by
CAlormetric Bomb
what are food rations based on
Energy
what is digestiable energy?
Gross-fecal
what is metabosiable energy
digestable (gross-fecal) - gasesous/urinary enrgy
what is a resreve energy
fat
Acetic acid is what
Saturated fat
what perecent of fat free body weight is water?
75
how much water is in corn silage
65-75 percent
what percent of corn grain is water?
10$
WHen is water loss increased
in high protein diets, mineral salts fiber and overall intake is high
how much disolved solvent are in GOOD water
less than .25
can you taste nitrates, fluorides and heavy metals before they are toxic?
No
Does temp of water have effects?
Yes
WHats included in proximate anlysis
DM, CP, Ether extract for Fat, CF, Ash for minerals and Nitrogen free extract for carbs
whats the calucalation for DM
DM= dry weight / fresh weight
what is the Kjeldalh method used for
Crude protein
what is used in the Kjeldahl methaod to get the N free to be trapped
Sulphuric acid
what percent of protein is averagely in feeds
16
N x 6.25=?
CP
What is an example of a error the Kjeldahl method has?
for exmplae urea has no protein and alot of N so the caulculation N x 6.25 = CP shows that there is alot of protein
what is the ether extract method used for?
Crude fat anlyisis
What would you use to figure out specfic FA
Not the Ether extract method its not specfic
is the ether extract method qualatative or quanittaive
guantatative
Boiling with a weak acid and then a weak alkaline is used in which method?
to find Crude Fiber
Why do you boil in acid and the alkaline
to simulate the digestive process
what is read in the CF analysisi?
cellulose, hemicellulose, Xylans, Lignin and other compounds associated with Fibrous carbs such as stuff in the cell wall of plants
What does ca show?
Mineral
what is left in Ash
Metallica oxides
WHen analyzing Ash you can figure out what specfic mineral are there
No
How do you calcualte carbs
Via the nitrogen free extract
What is the nitrogen free extract calculation
100- CP-CF- Crude fat-ash
what are the 2 new mathods in calculating energy
Detergents and NIRS
Are degernts part of proximate anlyisis
no
____________ is more acurate in defining carbs in food content
Detergents
What does NDF show
the structraul componets of the cell wall of plants
do you want a high or low NDF
Low
DO you want a low or high ADF
Low
Low NDF values are associated w.
younger plants
Low ADF values are associated w/
more digestable
are roughages and forages considered fibers
No they are considered carbs
forage
total plant material
roughage
is the dietary component high in fiber
what need microbial digestion
roughphage
who eat rough better horses and cows or swine and poluttry
horses and cows
im low in carbs but high in fibers am I a forage of roughage
roughphage
FAMily: Grarmineae
Grass