Quiz 4: Lecture 17-23 Flashcards
(10 cards)
What is the minimum amount of time to wait after feeding cows before performing a rumenocentesis to check rumen pH?
6 hours
Which type of diet will result in low intake due to increased rumen fill and low passage rate in cattle?
high fiber
Rumen degradable protein/degradable intake protein is sufficient to meet the protein requirements of dairy cows during lactation.
false
How much has the ability of calves to absorb immunoglobulins reduced by 8 hours following birth?
50%
What are the issues for colostrum produced by heifers?
- lower IgG concentration
- Lower volume
Where in the GIT is undegradable intake protein digested?
Small intestine
What events happen as peak milk production is reached in the dairy cow?
- DMI has not reached its peak
- body weight and body condition have been lost since calving
At what body weight do most backgrounding and stocker calves enter the feedlot?
700-800 lbs
What should be the weight of replacement heifers at calving?
85% of mature weight
If urea is supplemented to beef cattle, which other nutrient must be adequate in the diet to ensure urea is utilized by the microbes?
energy
