نتایج جستجو برای: 24 d) and finisher (25

تعداد نتایج: 16993317  

Journal: Journal of Livestock Science and Technology 2018
A. Salajegheh M. Afsharmanesh M. H. Salajegheh M. Salarmoini

The aim of the current study was to evaluate the effects of lavender (Lavandula angustifolia) powder as an herbal feed additive on growth performance, carcass traits, meat quality, jejunal histomorphology, and ileal microbial population in broiler chickens. A total of two hundred twenty one day-old male broiler chicks were used in a completely randomized design with five treatments and four rep...

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Journal: Poultry Science Journal 2019
Izadi M Moradi A Rezvani MR,

This study was conducted to compare ileal digestibility of calcium, dry matter and ash, growth performance, gut characteristics, bone parameters and retention of calcium in broiler chickens fed diets containing different calcium sources. A total of 96 commercial Ross 308 broiler chickens were allocated to three experimental diets. The experimental diets included a diet containing inorganic calc...

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Journal: :The Biochemical journal 1979
B L Onisko H K Schnoes H F DeLuca R S Glover

Three side-chain analogues of cholecalciferol (vitamin D3) modified at C-25, namely 25-fluorocholecalciferol, 24-dehydrocholecalciferol and 25-dehydrocholecalciferol, conceived as potential inhibitors of the cholecalciferol 25-hydroxylase have been prepared and tested in the rat. These compounds markedly diminish conversion in vivo of cholecalciferol into 25-hydroxycholecalciferol, but are not ...

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Journal: Poultry Science Journal 2017
Bahreini Behzadi MR Houshmand M, Keshavarzi S

The aim of this study was to determine whether the age of broilers can influence their response to tannin-rich diets. A total of 340 one-day-old mixed sex Ross 308 broiler chicks were distributed among five experimental groups with four replicates and 17 birds each in a completely randomized design. A high-tannin feedstuff, Oak acorn, was included into diets (at a level of 25%) and fed to birds...

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Journal: Iranian Journal of Applied Animal Science 2019
A. Salajegheh M. Afsharmanesh M. Salarmoini, M.H. Salajegheh,

This study was conducted to evaluate the effects of lavender (Lavandula angustifolia)extract as an alternative to flavophospholipol on performance, carcass characteristics, antioxidant status,meat quality, intestinal morphology and ileal microflora of broilers. A total of 220 day-old male broiler chicks (Ross 308) were used in a completely randomized design with five treatments each re...

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Journal: :مجله علوم کشاورزی ایران 0
بهناز سخدری محمود شیوازاد مجتبی زاغری

non-starch polysaccharides (e.g.: wheat based diet) which are supplemented with enzymes. could have a high potential in nutrient ingestion, digestion and absorption, however, response to the enzyme is dependent on chicks age, as well as genetic status of both the cereal and the chick. this study was conducted in a completely randomized design in 2×4 factorial arrangement to study the efficiency...

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Journal: :Journal of animal science 2002
M E Davis C V Maxwell D C Brown B Z de Rodas Z B Johnson E B Kegley D H Hellwig R A Dvorak

Two experiments were conducted to determine the efficacy of mannan oligosaccharides (MOS) fed at two levels of Cu on growth and feed efficiency of weanling and growing-finishing pigs, as well as the effect on the immunocompetence of weanling pigs. In Exp. 1, 216 barrows (6 kg of BW and 18 d of age) were penned in groups of six (9 pens/treatment). Dietary treatments were arranged as a 2 x 2 fact...

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Journal: Poultry Science Journal 2018
Azin M Golian A Hossein Zadeh M Kermanshahi H, Majidzadeh-Heravi R Sanjabi MR

The effects of organic and inorganic sources and concentration (0 and 0.3 mg per kg of diet) of Selenium (Se) on growth performance, blood biochemical and immune system were evaluated in broiler chickens. Chickens were fed corn-soy-based diets formulated to 8 dietary treatments containing no added Se (negative control), negative control plus yeast (positive control), and 6 diets had 0.3 mg/kg o...

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2003
YOKO TANAKA HECTOR F. DELUCA

An in vitro assay of mammalian 25-hydroxyvitamin D3 laand 24R-hydroxylases in kidney has been developed. It had been suggested that 25-hydroxyvitamin D binding protein present in mammalian blood and tissues inhibits the enzyme activities in cell-free preparations by binding the substrate 25-hydroxyvitamin D3 more strongly than the hydroxylases bind it. This inhibitory effect is overcome by the ...

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Journal: :Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology 2013
Alison M Mondul Irene M Shui Kai Yu Ruth C Travis Victoria L Stevens Daniele Campa Frederick R Schumacher Regina G Ziegler H Bas Bueno-de-Mesquita Sonja Berndt E D Crawford Susan M Gapstur J Michael Gaziano Edward Giovannucci Christopher A Haiman Brian E Henderson David J Hunter Mattias Johansson Timothy J Key Loïc Le Marchand Sara Lindström Marjorie L McCullough Carmen Navarro Kim Overvad Domenico Palli Mark Purdue Meir J Stampfer Stephanie J Weinstein Walter C Willett Meredith Yeager Stephen J Chanock Dimitrios Trichopoulos Laurence N Kolonel Peter Kraft Demetrius Albanes

BACKGROUND Studies suggest that vitamin D status may be associated with prostate cancer risk although the direction and strength of this association differs between experimental and observational studies. Genome-wide association studies have identified genetic variants associated with 25-hydroxyvitamin D [25(OH)D] status. We examined prostate cancer risk in relation to single-nucleotide polymor...

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