25 Hydroxycholecalciferol
Mostrando 1-12 de 53 artigos, teses e dissertações.
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1. Effect of different vitamin D3 metabolites on intestinal calcium homeostasis-related gene expression in broiler chickens
ABSTRACT The purpose of this study was to investigate the effects of vitamin D3 metabolites 1α-hydroxycholecalciferol (1α(OH)D3), 25-hydroxycholecalciferol (25(OH)2D3), and 1,25-dihydroxycholecalciferol (1,25(OH)2D3) on growth performance, bone quality, and intestinal calcium homeostasis-related gene expression in broiler chickens. One-day-old broilers wer
R. Bras. Zootec.. Publicado em: 21/05/2018
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2. Effects of calcium to non-phytate phosphorus ratio and different sources of vitamin D on growth performance and bone mineralization in broiler chickens
ABSTRACT - A 7 × 2 factorial experiment was designed to test the effects of calcium (Ca) to non-phytate phosphorus (NPP) ratio (1.14, 1.43, 1.71, 2.00, 2.29, 2.57, and 2.86) and different sources of vitamin D (1α-hydroxycholecalciferol (1α-OH-D3) and 25-hydroxycholecalciferol (25-OH-D3)) on growth performance and bone mineralization in 1- to 42-d-old broi
R. Bras. Zootec.. Publicado em: 2016-01
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3. Effects of Non-phytate Phosphorus and 1a-Hydroxycholecalciferol on Growth Performance, Bone Mineralization, and Carcass Traits of Broiler Chickens
ABSTRACT This study evaluated the effects of dietary non-phytate phosphorus (NPP) and 1a-hydroxycholecalciferol (1a-OH-D3) on the growth performance, bone mineralization, and carcass traits of 1- to 21-day-old broiler chickens. On the day of hatch, 600 male Ross 308 chicks were weighed and randomly assigned to 12 treatments, with five cages of 10 birds each.
Rev. Bras. Cienc. Avic.. Publicado em: 2015-12
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4. EFFECTS OF THE COMBINATION OF NON-PHYTATE PHOSPHORUS, PHYTASE AND 25-HYDROXYCHOLECALCIFEROL ON THE PERFORMANCE AND MEAT QUALITY OF BROILER CHICKENS
ABSTRACTThis experiment was conducted to evaluate the combination effect of low dietary non-phytate phosphorus (NPP) concentrations, phytase (PHY) levels, and 25-hydroxycholecalciferol (25-OH-D3) levels on the growth performance and meat quality of broilers. Two levels of NPP, two levels of PHY, and two levels of 25-OH-D3 resulted in a 2�2�2 factorial ar
Rev. Bras. Cienc. Avic.. Publicado em: 2015-09
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5. BONE CHARACTERISTICS OF BROILERS SUPPLEMENTED WITH VITAMIN D
ABSTRACTVitamin D is added to broiler diets to supply its physiological requirement for bone formation. The fast growth rate of modern broilers is often associated with poor bone formation. Increasing vitamin D supplementation levels and the use of more available sources have applied to try to prevent leg problems, to increase carcass yield, and to improve t
Rev. Bras. Cienc. Avic.. Publicado em: 2015-09
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6. Use of vitamin D to reduce lameness in broilers reared in harsh environments
In tropical poultry-producing countries, poultry houses usually have little environmental control. This study investigated the effect of dietary vitamin D on the incidence of leg abnormalities of a fast-growing broiler strain reared under harsh conditions. In this study, 300 one-day-old male broilers were distributed in two treatments with three replicates o
Rev. Bras. Cienc. Avic.. Publicado em: 2012-09
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7. Diretrizes para prevenção e tratamento da osteoporose induzida por glicocorticoide
Os glicocorticoides (GC) são prescritos por praticamente todas as especialidades médicas, e cerca de 0,5% da população geral do Reino Unido utiliza esses medicamentos. Com o aumento da sobrevida dos pacientes com doenças reumatológicas, a morbidade secundária ao uso dessa medicação representa um aspecto importante que deve ser considerado no manejo
Revista Brasileira de Reumatologia. Publicado em: 2012-08
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8. CANTHAXANTHIN AND OR 25-HYDROXYCHOLECALCIFEROL USE IN DIETS FOR BROILER BREEDER HENS / USO DE CANTAXANTINA E/OU 25-HIDROXICOLECALCIFEROL EM DIETAS PARA MATRIZES DE CORTE
A necessidade de melhorar o desempenho reprodutivo de matrizes de corte contribuí para os conceitos de desenvolvimento e novos produtos na alimentação animal. Carophyll Red tem na sua composição cantaxantina, a qual é estudada pela sua capacidade antioxidante 25 - (OH)D3 (25-hidroxicolecalciferol), um intermediário entre a vitamina D3 e da forma ativa
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 28/02/2011
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9. Effects of different dietary vitamin combinations on the egg quality and vitamin deposition in the whole egg of laying hens
The experiment was conducted to evaluate the effects of different dietary vitamin combinations on the egg quality and vitamin concentrations in the eggs of commercial laying hens. A total of 1,800 25-week-old Lohman pink-shell hens were randomly assigned to four dietary vitamin treatments as follows: NRC(1994) level, NRC (1994) level with Hy.D® (25-hydroxy-
Revista Brasileira de Ciência Avícola. Publicado em: 2011-09
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10. CANTAXANTINA E 25-HIDROXICOLECALCIFEROL E SEUS EFEITOS SOBRE OS ASPECTOS REPRODUTIVOS DE GALOS / EFFECTS OF CANTHAXANTHIN AND 25-HYDROXYCHOLECALCIFEROL ON REPRODUCTIVE ASPECTS OF MALES ROOSTERS
Com o objetivo de avaliar o desempenho e as características seminais de galos da raça White Plymouth Rock, alimentados com dietas contendo Cantaxantina e 25-hidroxicolecalciferol, foi conduzido um experimento no Laboratório de Avicultura do Departamento de Zootecnia da Universidade Federal de Santa Maria. Foram utilizados 80 galos White Plymouth Rock de 4
Publicado em: 2010
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11. Desempenho produtivo de reprodutoras de frangos de corte suplementadas com 25-hidroxicolicalciferol / Productive performance of broiler breeders hens fed 25-hydroxycholecalciferol
Foi realizado um experimento com o objetivo de avaliar a suplementação de 25-hidroxicolecalciferol (25(OH)D3) associado com vitamina D3 em dietas de reprodutoras pesadas. Para tal, foram alojadas 650 matrizes Cobb 500 em delineamento completamente casualizado composto por quatro tratamentos e oito repetições de 20 fêmeas e 2 machos cada. Os tratamentos
Publicado em: 2008
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12. Inhibition of the Metabolism of 25-Hydroxycholecalciferol by Actinomycin D and Cycloheximide
Actinomycin D (or cycloheximide) administered prior to radioactive 25-hydroxycholecalciferol blocks the metabolism of 25-hydroxycholecalciferol to polar metabolites that accumulate in intestinal tissue, while it does not prevent the 25-hydroxylation of vitamin D3 in the liver. Actinomycin D given after radioactive 25-hydroxycholecalciferol does not inhibit 2