Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Nutritional Value of Five Rangeland Plants Using Gas Production Technique

Version 1 : Received: 8 February 2021 / Approved: 10 February 2021 / Online: 10 February 2021 (12:32:21 CET)

How to cite: Talebi, E.; Yousef-Elahi, M.; Dehghani, M.R.; Salmani, A. Nutritional Value of Five Rangeland Plants Using Gas Production Technique. Preprints 2021, 2021020254 (doi: 10.20944/preprints202102.0254.v1). Talebi, E.; Yousef-Elahi, M.; Dehghani, M.R.; Salmani, A. Nutritional Value of Five Rangeland Plants Using Gas Production Technique. Preprints 2021, 2021020254 (doi: 10.20944/preprints202102.0254.v1).

Abstract

This investigation was conducted to determine the chemical composition and nutritional value of five plant species commonly used as ruminant feeds namely: Artemisia herba-alba, Acer monspessulanum, Amygdalus lycoides, Amygdalus scoparia, and Atriplex leucoclada. After the collecting samples, the chemical compositions of plants included dry matter (DM), organic matter (OM), crude protein (CP), ether extract (EE), ash (CA), cell wall (NDF), and non-lignin cell wall (ADF) were determined according to standard methods. For degradation testing, the nylon bag technique was applied using three native Sistani fistula calves. Organic matter digestibility (OMD) and metabolisable energy (ME) were determined through the gas production technique. The CP value ranged from 5.30 (Amygdalus scoparia) to 11.72% (Atriplex leucoclada) while NDF value ranged from 52.62 (Amygdalus lycoides) to 69.05% (Amygdalus scoparia). The range of OMD, DOMD, and ME was from 36.67 to 53.27%, 34.67 to 49.11%, and 5.57 to 8.08 (MJ/kg), respectively. The results showed a positive correlation between cell wall composition and dry matter digestibility in plant species. The nutritional value of Amygdalus lycoides, Atriplex leucoclada, Acer monspessulanum, and Artemisia herba-alba was acceptable composition and digestibility.

Keywords

Chemical composition; Dry matter digestibility; Gas test

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