Effect of treated sunflower meal with tannin extracted from pistachio hulls on in vitro gas production and ruminal fermentation
Publish place: Veterinary Research Forum، Vol: 8، Issue: 3
Publish Year: 1396
نوع سند: مقاله ژورنالی
زبان: English
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JR_VRFAN-8-3_004
تاریخ نمایه سازی: 25 آبان 1402
Abstract:
This experiment was conducted to study the effects of various amounts of treated sunflower meal (SFM) with extracted tannins from pistachio hulls on in vitro gas production and ruminal fermentation in ruminants. The SFM was treated with pistachio extract concentrate (PEC), which contained ۱۱۱.۴۰ g kg-۱ total phenol and ۷۱.۳۰ g kg-۱ total tannin per dry matter of extract, at six experimental treatment levels of ۰, ۷, ۱۴, ۲۱, ۲۸ and ۳۵ g PEC per ۱۰۰ g SFM on a dry matter basis. In vitro gas production, in vitro organic matter digestibility (IVOMD), metabolizable energy (ME) and fermentative parameters of samples were measured. The PEC had no effect on fermentation rate, but asymptotic gas production was linearly decreased with increasing dose of extract. All fermentation parameters (i.e., apparent degraded substrate, short chain fatty acids, gas yield at ۲۴ hr, partitioning factor at ۹۶ hr, IVOMD, ME and microbial protein production (MP) linearly decreased with increasing PEC treatment. Inclusion of PEC linearly decreased ruminal ammonia nitrogen concentration (NH۳-N), total protozoa population and pH in the all incubation times. In conclusion, the addition of PEC positively modified some rumen parameters such as NH۳-N concentration and protozoa population.
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Authors
Alireza Jolazadeh
Department of Animal Science, College of Animal Science and Food Technology, Ramin Agriculture and Natural Resources University of Khuzestan, Mollasani, Iran
Tahereh Mohammadabadi
Associate Professor, Department of Animal Science, College of Animal Science and Food Technology, Ramin Agriculture and Natural Resources University of Khuzestan, Mollasani, Iran
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