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Fish meal has a dry matter concentration of 91% and a crude protein concentration of 52% on an as-fed basis. What is the crude protein concentration of soybean meal on a dry matter basis?

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Final answer:

The crude protein concentration of soybean meal on a dry matter basis is approximately 39.08%, calculated by dividing the protein content (34%) by the dry matter content (87%) and multiplying by 100.

Step-by-step explanation:

The question asks to determine the crude protein concentration of soybean meal on a dry matter basis. Given that soybeans have a protein content of 34%, we must adjust this percentage to account for the moisture content. Since the average soybean seed composition includes 13% moisture, the dry matter content is 87% (100% - 13% moisture).

To calculate the crude protein concentration on a dry matter basis, we use the formula: (Percent Protein / Percent Dry Matter) * 100. Thus, it is (34% / 87%) * 100, which equals approximately 39.08%. This value represents the crude protein concentration of soybean meal on a dry matter basis after excluding the moisture content.

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