Please explain how fiber digestibility affects feeding behavior.

Please list 3 indicators of fiber quality. 

Microbial contamination of in-situ incubation bags will result in erroneous data for N degradability. Most probably, we will [option1] N degradability with significant microbial contamination. 

Dairy NRC (2001) lumps together different sources of carbohydrates as “non-fiber carbohydrates”. Why is this not a correct approach? 

Please explain how sample size to bag surface ratio affects in situ degradability results? 

Please explain how N is partitioned using Cornell N partitioning scheme. List different N components and their significance.  

Please explain how herbage mass measurement is used for estimating intake of grazing animals? 

Choose one type of intake measurement method, describe it and mention the pros and cons associated with the method you chose.

We are using Chromium mordanted fiber as external marker for the determination of fecal output. Given that the marker dose is 20 mg/d and fecal marker concentration is 4 mg/kg DM. Please calculate fecal output in kg. 

Metabolizable protein represents total amount of protein absorbed by the animal. In ruminants, three sources of protein contributes to the supply of metabolizable protein. Please list them