Question

Oat straw has a dry matter concentration of 90% and a TDN concentration of 31% on a dry matter basis. What is the TDN concentration of oat straw on an as-fed basis?

Answer 1

To calculate the TDN concentration of oat straw on an as-fed basis, multiply the dry matter concentration (90%) by the TDN concentration on a dry matter basis (31%). The result is a TDN concentration of 27.9% on an as-fed basis.

Step-by-step explanation:

To determine the TDN concentration of oat straw on an as-fed basis, we'll use the information that the dry matter concentration of oat straw is 90% and the TDN (Total Digestible Nutrients) concentration on a dry matter basis is 31%. To calculate this, we first convert the percentages into decimals by dividing each by 100, resulting in 0.90 for dry matter and 0.31 for TDN dry matter concentration. Then, we multiply these two decimals to find the as-fed TDN concentration.

As-fed TDN = Dry matter concentration × TDN on dry matter basis
As-fed TDN = 0.90 × 0.31
As-fed TDN = 0.279 or 27.9%

Thus, the TDN concentration of oat straw on an as-fed basis is 27.9%.