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12 Cards in this Set

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  • 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