Volume 12, Issue 43 (spring 2008)
jwss 2008, 12(43): 523-531 |
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Fazaeli H. Digestibility and Voluntary Intake of Fungal-Treated Wheat Straw in Sheep and Cow. jwss 2008; 12 (43) :523-531
URL: http://jstnar.iut.ac.ir/article-1-859-en.html
URL: http://jstnar.iut.ac.ir/article-1-859-en.html
Abstract: (29080 Views)
This study was conducted to assess the effect of culturing oyster mushroom (Pleurotus florida) on the nutritive value of wheat straw. In a completely randomized design, chemical composition and in vitro digestibility of untreated and fungal treated wheat straw were measured by the following treatments: 1) untreated wheat straw (UWS) 2) fermented wheat straw before mushroom fruiting (FTWS) and 3) fermented wheat straw after mushroom harvesting (SPWS), with 4 replicates. In addition, the in vivo digestibility and voluntary intake were determined using 4 cows and 4 sheep and nutritive value index was estimated. The crude protein and in vitro digestibility increased whereas organic matter and cell wall components decreased significantly (P<0.05) in FTWS and SPWS. In vivo digestibility and voluntary intake increased in FTWS when fed to sheep or cow (P<0.05) but no significant differences were found between SPWS and UWS. The digestible dry mater and organic mater intake (g/kg W0.75) were significantly higher (P<0.05) in cow than sheep. The significantly (P<0.05) highest amount of nutritive value index was obtained for FTWS fed to cow and the lowest amount was found for SPWS when fed to sheep. It can be concluded that culturing Pleurotus florida on wheat straw can improve its nutritive value before mushroom fruiting .
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