نوع مقاله : مقاله پژوهشی
نویسندگان
1 دانش آموخته کتری تغذیه دام ، گروه علوم دامی دانشکده کشاورزی دانشگاه ارومیه، ارومیه. ایران
2 دانشیار تغذیه دام، گروه علوم دامی دانشکده کشاورزی دانشگاه ارومیه، ارومیه. ایران
3 استاد تغذیه دام ، گروه علوم دامی دانشکده کشاورزی دانشگاه ارومیه، ارومیه. ایران
4 دانشیار گروه بیماریهای دورنی و کلینیکال پاتولوژی، دانشکده دامپزشکی دانشگاه ارومبه، ارومیه، ایران
چکیده
کلیدواژه‌ها
موضوعات
عنوان مقاله [English]
نویسندگان [English]
This study was conducted to investigate the effects of walnut leaf and green tea leaf extract on rumen fluid fermentation parameters,, in vitro. The experiment was carried out in a completely randomized design with four treatments and five replicates. The treatments included: 1) Control group ; 2) Group receiving hydroalcoholic walnut leaf extract at a level of 100 mg/kg of live body weight; 3) Group receiving hydroalcoholic green tea leaf extract at a level of 100 mg/kg of live body weight; and 4) Group receiving an equal mixture (1:1) of both of the extracts. The extracts were administered to the sheep twice daily before the morning and evening feedings. The collected data were analyzed using SAS software version 9.1 (2003) and the GLM procedure. The results showed that the control group had the highest gas production, while the group receiving the mixture of walnut and green tea leaf extracts had the lowest potential gas production (A). The lag phase (L) was highest in the groups receiving walnut leaf extract and the mixture of walnut and green tea leaf extracts. The molar ratio of acetate significantly decreased, while the molar ratio of propionate increased. Propionate levels were highest in the groups receiving the mixture of both extracts and walnut leaf extract (29.99 and 27.70, respectively), and the lowest levels were observed in the control (24.81) and green tea leaf extract (24.68) groups (P < 0.0002).
کلیدواژه‌ها [English]
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