Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
12 Cards in this Set
- Front
- Back
|
How much salivia is produced in a day by a Human? Sheep? Cow?
|
1.5 L; 6-16 L; 90-200 L (depending on diet)
|
|
|
What makes an acid?
|
It donates a proton (H+)
|
|
|
What are the three types of VFA's?
|
Acetic Acid; Propionic Acid; Butryc Acid
|
|
|
What happens when protons accumulate in any fluid?
|
The pH goes down.
|
|
|
Where are VFA's produced?
|
Rumen, Cecum and Colon by microbial fermentation
|
|
|
How much dissociation of H+ and OH- occurs in 1 L of pure water?
|
1 X 10^-7 mols/L of each H+ and OH- are produed; total of 1X10^-14 total dissociation
|
|
|
What is the most common VFA in a Hay diet?
|
Acetate (70:20:10 APB ratio)
|
|
|
What changes in VFA ratio if grain is fed instead of hay?
|
Propionate increases and acetate decreases
|
|
|
When switching ruminant diet, do it _______ because ___________________.
|
slowly; microbes need time to adjust to new energy source
|
|
|
slug feed
|
giving all grain all at once
|
|
|
When feeding forage “_________” bacteria are predominant
|
cellulytic
|
|
|
When feeding grain “___________” bacteria predominant
|
amylolytic
|
