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Paper Information

Journal:   IRANIAN JOURNAL OF APPLIED ANIMAL SCIENCE   SEPTEMBER 2014 , Volume 4 , Number 3; Page(s) 515 To 520.
 
Paper: 

INFLUENCE OF FIBROLYTIC ENZYMES ON THE IN VITRO HYDROLYSIS AND FERMENTATION OF DIFFERENT TYPES OF ROUGHAGES TREATMENT

 
 
Author(s):  MOHARRERY A.*
 
* DEPARTMENT OF ANIMAL SCIENCE, FACULTY OF AGRICULTUR, SHAHREKORD UNIVERSITY, SHAHREKORD, IRAN
 
Abstract: 

The effects of pre-treating different types of roughages with alkali on the efficacy of exogenous fibrolytic enzymes for improving their digestibility were studied in vitro in factorial arrangement 4´3´5 (enzyme, treatment and roughage types). Two fibrolytic feed enzymes novozyme (N) and celloclast (C) their combination (N+C) were evaluated for their potential to improve in vitro degradation of different roughages including two straws (wheat straw: WS; barley straw: BS), grass hay (GH), corn stover (CS) and corn cobs (CC) as untreated or alkaline treated (NaOH or urea). The enzyme products were in liquid form and applied at a rate of 1 mg enzyme protein/g DM substrate. Anaerobic buffer medium and strained ruminal fluid were added to the in vitro incubations. Degradabilities of dry matter (DM), neutral detergent fibre (NDF), cellulose, soluble protein and reducing sugar profiles were determined at the end of the 24 h incubation. Overall NDF degradability of roughages were slightly increased by alkaline treatment (P<0.05) but, the addition of fibrolytic enzymes directly to the ruminal fluid at the application rates could not increase significantly DM or cellulose degradation (P>0.05). Use of fibrolytic enzymes released higher amounts of reducing sugars and lower soluble protein compared to control (P<0.05). Alkali treatment increased (P<0.05) the degrad-ability of DM and fiber degradability. It was higher in NaOH treated forage compared to urea treated for-ages (P<0.05).

 
Keyword(s): ALKALINE TREATMENT, FIBROLYTIC ENZYMES, IN VITRO DEGRADATION, ROUGHAGES
 
 
References: 
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Click to Cite.
APA: Copy

MOHARRERY, A. (2014). INFLUENCE OF FIBROLYTIC ENZYMES ON THE IN VITRO HYDROLYSIS AND FERMENTATION OF DIFFERENT TYPES OF ROUGHAGES TREATMENT. IRANIAN JOURNAL OF APPLIED ANIMAL SCIENCE, 4(3), 515-520. https://www.sid.ir/en/journal/ViewPaper.aspx?id=407654



Vancouver: Copy

MOHARRERY A.. INFLUENCE OF FIBROLYTIC ENZYMES ON THE IN VITRO HYDROLYSIS AND FERMENTATION OF DIFFERENT TYPES OF ROUGHAGES TREATMENT. IRANIAN JOURNAL OF APPLIED ANIMAL SCIENCE. 2014 [cited 2021May06];4(3):515-520. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=407654



IEEE: Copy

MOHARRERY, A., 2014. INFLUENCE OF FIBROLYTIC ENZYMES ON THE IN VITRO HYDROLYSIS AND FERMENTATION OF DIFFERENT TYPES OF ROUGHAGES TREATMENT. IRANIAN JOURNAL OF APPLIED ANIMAL SCIENCE, [online] 4(3), pp.515-520. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=407654.



 
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