Eva lua tion on Feeding Nutr itive Va lue of 6 Introduced A triplex Species

YAN Yan-xia; WANG Yu-kui; MENG Wei; YANG Chao-wei; YANG Chao-wei; ZHANG Dong

A series of testing on the feeding nutritive value and amino acid content in 6 introduced A triplex specieswere taken and analyzed. The results showed that the 6 species had rich nutrition in their leaves. The coarse p roteincontentwas from 180. 1 to 222. 6 g·kg-1 and the coarse fibre contentwas from 49. 8 to 83. 2 g·kg-1 which bothbelonged to p rotein or energy fodder. The ratio of calcium and phosphor which was from 3. 59% to 6. 35% didn’texceed the utmost value which the ruminate livestock could bear. There were 17 kinds of amino acid rich enough inthe leaves of the 6 species, in which the essential amino acid EAA took 43. 5%～46% of the total and its ratio withthe non-essential amino acid EAA was among 0. 771～0. 851 which had met the recommended standard lodged byFAO /WHO. However, the amino acid in the leaves had unsteady forming balance and due to the Met + Cyscontent, the first limiting amino acid FLAA, amino acid supp lements should be added to meet the need of certainfodder p roduction.

1. Paulownia Research & Development Center of the State Forestry Administration, Zhengzhou　450003, Hepnan, China

2. Research Institute ofForestry New Technology, CAF,Beijing　100091, China

3. Water & Soil Conservation College of Beijing Forestry University,Beijing　100083, China

4. TianjinWater Conservancy Bureau, Tianjin　300074, China

Received Date: 2008-03-28

Abstract: A series of testing on the feeding nutritive value and amino acid content in 6 introduced A triplex specieswere taken and analyzed. The results showed that the 6 species had rich nutrition in their leaves. The coarse p roteincontentwas from 180. 1 to 222. 6 g·kg-1 and the coarse fibre contentwas from 49. 8 to 83. 2 g·kg-1 which bothbelonged to p rotein or energy fodder. The ratio of calcium and phosphor which was from 3. 59% to 6. 35% didn’texceed the utmost value which the ruminate livestock could bear. There were 17 kinds of amino acid rich enough inthe leaves of the 6 species, in which the essential amino acid EAA took 43. 5%～46% of the total and its ratio withthe non-essential amino acid EAA was among 0. 771～0. 851 which had met the recommended standard lodged byFAO /WHO. However, the amino acid in the leaves had unsteady forming balance and due to the Met + Cyscontent, the first limiting amino acid FLAA, amino acid supp lements should be added to meet the need of certainfodder p roduction.

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Reference (23)

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Eva lua tion on Feeding Nutr itive Va lue of 6 Introduced A triplex Species

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