Academic Celebration #1 Flashcards
ADF
quantitatively recovers all of the cellulose and lignin in a feed sample
Developed by Van Soest
Crude fiber
descriptor of forages
inaccurate for ruminants
NFE
term that collectively refers to 5 and 6 carbon sugars present in feeds
Dumas method
measures N2 released from a feed sample
Arginine
usually first limiting AA in poultry
not required in ration of mature pigs
Proline
required in growing poultry
Taurine
not a true AA
required by cats
Methionine
commonly second limiting AA
Crude protein formula
%N x 6.25
beta 1-4 bonds
found in mammalian form of CHO storage (glycogen) and cellulose
alpha 1-4 bonds
found in amylose and lignin
alpha 1-6 bonds
found in lignin
peptide bonds
primary structure of proteins
beta glucans
significant presence in barley limits its inclusion in non ruminant ration
pectins
high concentrations found in feed byproducts such as citrus pulp
arabinoxylans
major anti-nutritional in rue which causes palatability issues in almost all species
hemicellulose
solubilized in both boiling acid and base
%NDF - %ADF
cellulose
fiber content not solubilized in either boiling acid or base
Lofgreen and Garrett
Net energy system
Van Soest
replaced crude fiber system
Conrad
an animal eats to meet an energy requirement
Lavoisier
founder of the science of nutrition
Kjeldahl
CP analytical procedure
High levels of nitrate in water provided to animals can be very toxic to ruminants because of its effect on the rumen microbial population. Non-ruminants are much more tolerant because they don’t have a rumen
False
The opposing hormones aldosterone and natriuretic hormone play an indirect role in regulating ECF level by retaining or excreting (respectively) sodium, while the presence or absence of vasopressin (ADH) signals the kidney to retain or excrete (respectively) water independent of sodium levels
True
Two rival producers are feeding a similar age group of market hogs. Producer A feeds a corn based ration that exactly meets the energy requirement of the hogs. Producer B feeds a similar ration but decided to add some fat to her ration to boost the energy content of her feed even higher
Which group will have higher DM intake
A
Two rival producers are feeding a similar age group of market hogs. Producer A feeds a corn based ration that exactly meets the energy requirement of the hogs. Producer B feeds a similar ration but decided to add some fat to her ration to boost the energy content of her feed even higher
Which group will have higher energy intake
Equal
Two rival producers are feeding a similar age group of market hogs. Producer A feeds a corn based ration that exactly meets the energy requirement of the hogs. Producer B feeds a similar ration but decided to add some fat to her ration to boost the energy content of her feed even higher
Assuming %CP is identical:
Which group will have a higher protein intake
A
Two rival producers are feeding a similar age group of market hogs. Producer A feeds a corn based ration that exactly meets the energy requirement of the hogs. Producer B feeds a similar ration but decided to add some fat to her ration to boost the energy content of her feed even higher
Assuming %CP is identical:
Which group will have a higher growth rate
A
