Influence of rumen ciliate protozoa on the concentration of free amino acids in the rumen fluids

Itabashi, H.; Kandatsu, M.

Japanese Journal of Zootechnical Science 46(11): 600-606

1975


Accession: 000407483

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Abstract
Two goats with rumen ciliate protozoa (faunated) and 2 unfaunated goats were given a diet of hay and concentrates. The concentration of rumen alpha -amino N reached a peak one hour after feeding and was greatest in the faunated goats. In the rumen free amino acid pools of the faunated and unfaunated goats one hour after feeding the percentages of glutamic acid were 20.1 and 13.9 respectively; of alanine 16.1 and 7.9; of proline 7.2 and 2.7; of gamma -aminobutyric acid 1.8 and 6.9; and of delta -aminovaleric acid 11.1 and 36.1. Two goats having rumen ciliate protozoa (faunated) and 2 unfaunated goats were given a diet of hay and concentrates. The concentration of rumen alpha -amino N reached a peak 1 h after feeding and was greatest in the faunated goats. The percentages of glutamic acid, alanine, proline gamma -aminobutyric acid and delta -aminovaleric acid in the rumen free amino acid pools of the faunated and unfaunated goats 1 h after feeding were 20.1 and 13.9, 16.1 and 7.9, 7.2 and 2.7, 1.8 and 6.9, and 11.1 and 36.1, respectively.