Untersuchungen zum Gehalt an 2,6-Diaminopimelinsäure (DAP) und das DAP: N-Verhältnis in Pansenbakterien in Abhängigkeit von der Zeit nach der Fütterung

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Abstract
The interrelation between the time of the withdrawal of rumen fluid and the DPA: N-relation in the fraction of mixed rumen bacteria was ascertained in a test with two cows with rumen fistulae. At the moment of feeding the DPA-content of 63 mg per g bacteria was very high. In the period of 3 to 9 hours after feeding it remained relatively constant (50 mg). A mean conversion relation of 20.4 of DPA to bacteria N was ascertained. The amino acid model proved to be the same in all fractions, the content values were comparable to those found in technical literature.