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Abstract
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Article Information:
Effects of Thyme methanolic Extract on Ruminal Protein Degradation of Soybean Meal using Nylon Bag Technique
Mohammad Salamatazar, Ramin Salamatdoust-nobar, Naser Maheri Sis, Ali Noshadi Shabestari, Saeid Najafyar, Bakhshali Khodaparast, Parviz Naser Amini and Navid Rezayi
Corresponding Author: Mohammad Salamatazar
Submitted: 2011 August, 30
Accepted: 2011 October, 07
Published: 2011 November, 15 |
Abstract:
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This study was conducted to evaluate effects of Thyme methanolic extract (0 and 0.15 mL/30 mL
buffered rumen fluid) on ruminal Crude Protein (CP) degradation parameters of Soybean Meal (SBM). Nylon
bags filled with 5 g of each of untreated or Thyme methanolic extract treated soybean meal, were suspended
in the rumen of three fistulated Gezel rams for 0, 2, 4, 8, 16, 24 and 48 h, and obtained data were fitted to a nonlinear
degradation model to calculate ruminal degradation characteristics. Thyme methanolic extract treatments
significantly decreased protein degradability of soybean meal on different incubation times. Effective rumen
degradable crude protein at a rate of 0.02/h, for untreated and Thyme methanolic extract treated soybean meal,
82.43 and 77.80%, respectively were estimated. Although Thyme methanolic extract decreased (p<0.05) the
water soluble fraction (a), constant rate of degradation (c) and total degradability (a+b) of CP degradation but
potentially degradable fraction (b), were not significantly affected by Thyme methanolic extract.
Key words: Degradability, gezel rams, Methanolic, nylon bags, soybean meal, ,
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Cite this Reference:
Mohammad Salamatazar, Ramin Salamatdoust-nobar, Naser Maheri Sis, Ali Noshadi Shabestari, Saeid Najafyar, Bakhshali Khodaparast, Parviz Naser Amini and Navid Rezayi, . Effects of Thyme methanolic Extract on Ruminal Protein Degradation of Soybean Meal using Nylon Bag Technique. Current Research Journal of Biological Sciences, (6): 612-615.
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ISSN (Online): 2041-0778
ISSN (Print): 2041-076X |
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