نتایج جستجو برای: proportion of individual volatile fatty acids

تعداد نتایج: 21201750  

Journal: :علوم دامی ایران 0
امین خضری کامران رضا یزدی محسن دانش مسگران محمد مرادی شهربابک محمدرضا محمد آبادی

to examine the effects of different sources of rumen-degradable carbohydrates on rumen fermentation, nitrogen metabolism and performance of holstein dairy cows, four lactating holstein cows fitted with rumen cannulae in a 4×4 latin square with four diets and four 28 day periods each, were employed. experimental diets contained different levels of pure sucrose and corn starch in which sucrose wa...

Journal: :علوم دامی ایران 0
ایوب لکی پردیس کشاورزی و منابع طبیعی دانگاه تهران مهدی دهقان بنادکی پردیس کشاورزی و منابع طبیعی دانشگاه تهران کامران رضایزدی دامپزشکی علوم دامی

the aim followed in the present study was to investigate the effects of different metabolizable protein (mp) levels on holstein cows, milk yield and composition, and as well on concentration of plasma metabolites in the cow,s early lactation. twenty - four holstein cows(bw 580±23, dim 30±7, parity 2.4±0.5) were randomly assigned to each one of the 4 dietary treatments containing 1) 10.60% (diet...

2013
Hyelim Yeo Kumju Youn Minji Kim Eun-Young Yun Jae-Sam Hwang Woo-Sik Jeong Mira Jun

A total of 48 different volatile oils were identified form P. brevitarsis larvae by gas chromatography/mass spectrometry (GC/MS). Acids (48.67%) were detected as the major group in P. brevitarsis larvae comprising the largest proportion of the volatile compounds, followed by esters (19.84%), hydrocarbons (18.90%), alcohols (8.37%), miscellaneous (1.71%), aldehydes (1.35%) and terpenes (1.16%). ...

Background and Objectives: Breast milk composition is affected by several factors such as maternal diet and body mass index. Milk fats include a major calorie content of the milk, which changes dramatically throughout the lactation. The aim of the present study was to assess breast milk fatty acid profile in overweight and obese mothers and its correlations with maternal body mass index. Mater...

Journal: :Journal of animal science 1983
K A Champe D V Maurice

Growth, cecal volatile fatty acids, mineral profile of plasma, liver weight and gastrointestinal weights were measured in rabbits fed isonitrogenous, equicaloric diets containing 3, 6, 9 or 12% dietary crude fiber from either alfalfa or Coastal Bermuda grass. Rabbits were fed from 4 to 8 wk of age. Alfalfa diets improved (P less than .05) average daily gain (20.5 vs 11.9 g/d) and livability (67...

Journal: :تحقیقات نظام سلامت 0
هاجر صفاری خوزانی دانشجوی کارشناسی بهداشت محیط، مرکز تحقیقات محیط زیست، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران. مهناز حیدری دانشجوی کارشناسی بهداشت محیط، مرکز تحقیقات محیط زیست، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران. محمد مهدی امین دانشیار، مرکز تحقیقات محیط زیست، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران. بی بی فاطمه نبوی دانشجوی کارشناسی ارشد بهداشت محیط، مرکز تحقیقات محیط زیست، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران.

background: the high percentage of consumed antibiotics by humans and animals is excreted with other residues from the body after its performance. by entering these compounds to the wastewater, they can disrupt the anaerobic treatment process. in this study, deterrent behavior of two ampicillin and gentamicin antibiotics are investigated on specific methanogenic activity (sma) of anaerobic biom...

IIn this study, the effect of different levels of Scrophularia striata extract on the parameters of laboratory gas production, the concentration of volatile fatty acids and the activity of hydrolytic enzymes on the contents of the cecum of adult male rabbits were investigated. For this purpose, 20 New Zealand rabbits weighing approximately 1.6 ± 0.2 kg (5 months and up) were used in a completel...

2003
E. J. Lee Dong U. Ahn

To understand the mechanisms of off-odor production in irradiated meat, the volatile compounds produced from individual fatty acids by irradiation were identified. Nonirradiated oil emulsions prepared with polyunsaturated fatty acids (PUFAs) produced many volatile compounds, but the amounts of volatiles generally decreased after irradiation. Although volatile profiles of fatty acid emulsions we...

Journal: :علوم دامی 0
سینا پیوستگان دانشجوی کارشناسی ارشد گروه علوم دامی، دانشکده کشاورزی، دانشگاه ارومیه پرویز فرهومند استاد گروه علوم دامی، دانشکده کشاورزی، دانشگاه ارومیه امیر طلاتپه دانشجوی کارشناسی ارشد گروه علوم دامی، دانشکده کشاورزی، دانشگاه ارومیه محسن صحرایی دانشجوی کارشناسی ارشد گروه علوم دامی، دانشکده کشاورزی، دانشگاه ارومیه.

effects of summer savory (satureja hortensis l.) dry powder (ssdp) and essential oil (sseo) on performance, ruminal fermentation and blood metabolites were assessed using 20west azerbaijan native kids (16±1.94 kg initial live weight) in a random block design with 5 treatments (4 replicates per treatment) over a 13-week period. treatments were: i) basal diet without additive (control), ii): basa...

Journal: :international journal of environmental research 2011
t. amani m. nosrati t.r. sreekrishnan

key dissimilarities between thermophilic and mesophilic anaerobic digestion of waste activated sludge (was) were experimentally studied in this research. typical was with total solids (ts) concentrations of 30 and 60 g/l were digested anaerobically in a batch digester at mesophilic and thermophilic temperatures. solids reduction, total cod changes, the production of different volatile fatty ...

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