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Articles by Mohammad Nasehi
Total Records ( 1 ) for Mohammad Nasehi
  Mohammad Nasehi , Nor Mohammad Torbatinejad , Morteza Rezaie and Taghi Ghoorchi
  Background and Objective: Efficient use of available unconventional feeds and co-products is very important in developing countries. Therefore, the present study aimed to investigate the chemical composition, in vitro gas production (GP), methane production (CH4), dry matter digestibility, organic matter digestibility (OMD), metabolizable energy (ME), net energy lactation (NEL) and short-chain fatty acid (SCFA) of green tea waste (GTW), black tea waste (BTW) and alfalfa hay in presence or absence of polyethylene glycol (PEG). Materials and Methods: The amount of dry matter digestibility, OMD, ME, NEL, SCFA and CH4 in experimental treatment was determined by in vitro gas production technique. Rumen fluid samples were collected from three Taleshi cows (live weight 335±2.5 kg) before the morning meal. Chemical composition data was analyzed by general linear models, using a completely randomized design (CRD); the means were compared with Duncan’s test (p<0.05) procedures in SAS (version 9.1). Gas production, CH4, dry matter digestibility, OMD, ME, NEL and SCFA data were analyzed by general linear models, using a completely randomized design in a 2×3 factorial arrangement. The means were compared with Tukey’s test (p<0.05) procedures in SAS (version 9.1). Results: The amount of phosphorus was not significantly affected by treatments but other chemical composition showed a wide variation (p<0.05) between treatments. The use of PEG increased (p<0.05) GP from GTW and BTW in all incubation times. The PEG significantly increased (p<0.05) the volume of GP from soluble fraction (a) The volume of GP from insoluble but fermentable fraction and (b) GP potential (a+b) in GTW and BTW. The CH4 production significantly increased in BTW by PEG (p<0.05). The amount of dry matter digestibility, OMD, ME, NEL and SCFA in GTW and BTW significantly increased by using PEG (p<0.05). Conclusion: The results of this study indicated that adding PEG to GTW and BTW can improve their nutritive value and could be considered as a potential feed for ruminants.
 
 
 
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