Study of additives effect on chemical composition and nutritive value of common reed forage silage

Bullagh, S. (2013) Study of additives effect on chemical composition and nutritive value of common reed forage silage. Masters thesis, University of Zabol.

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Abstract

This study was carried out to evaluate changes in chemical composition and nutritional value of common reed forage silage in respons in mulberry leaves, barley flour and enzyme. For this aim common reed forage were harvested and chopped with cutting length about 2 to 4 cm. the chopped common reed forage then were mixed with the mulberry leaves (%40), barley flour(%10) and enzyme (2/4 g/kg DM) and ensiled in 5 Kg plastic baskets. The silages were opened after 45 day and chemical compositions inculuding dry matter (DM), organic matter (OM), ash, ether extract (EE), crude protein (CP) , cell wall and cell wall without hemicelluloses fractions were measured according to the standard procedure. Dry matter digestibility, metabolizable energy content and dry matter degradability were also determined by gas production (in vitro) and nylon bags (in situ) methods. Results showed that the addition of mulberry leaves caused a significant increased in pH, CP, ASH content and reduction DM, EE, ADF and NDF content. addition of barly flour caused a significant increased in EE, CP, ASH content and reduction pH, OM, ADF and NDF content. addition of enzyme caused a significant increase CP and ASH content and reduction ADF and NDF content. addition supplements mulberry leaves, barly flour and enzyme caused a significant different in CP, EE, ASH, OM, ADF and NDF content and there was no significant effect on the chemical composition. The in situ degradability out puts indicated an increased DM degradability (from 24/56 % to 39/95 %). and With increasing incubation time degradation increased. In addition, the findings obtained from in vitro gas production method revealed that the time incubation addition of mulberry leaves and barly flour caused increased, and enzyme except in times 2 and 4 caused increased gas productions value. In conclution, considering the changes in cell wall contents, hemicelluloses contents and degradability values in the present study, it can be suggested that the use of addtives separately can be used to make good common reed forage silage.

Item Type: Thesis (Masters)
Uncontrolled Keywords: common reed, Gas production, Degradability
Subjects: Q Science > QH Natural history > QH301 Biology
Depositing User: Mrs najmeh khajeh
Date Deposited: 09 Oct 2022 06:32
Last Modified: 09 Oct 2022 06:32
URI: http://eprints.uoz.ac.ir/id/eprint/3212

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