由 DJ Smith 著作 · 2002 · 被引用 70 次 — Ractopamine HCl is a beta-adrenergic leanness-enhancing agent recently approved for use in swine. Depletion of ractopamine in tissues, and elimination of ...
It repartitions energy to increase fat-free lean by approximately 25%–35%, depending on level of inclusion, and reduces fat deposition. Ractopamine has ...
The metabolic fate of ractopamine hydrochloride is similar in the target species (pigs and cattle), laboratory animals, and humans. Besides the pharmacology ...
Growth performance and nutrient retention were determined. The 15-d metabolism experiment consisted of 54 pigs (95 ± 3 kg of BW). Growth performance, feed and ...
由 VV Almeida 著作 · 2012 · 被引用 37 次 — The β-adrenergic agonist ractopamine is increasingly used in the swine industry due to higher consumer demand for leaner pork products. Redirecting nutrients to ...
study was designed to examine the influence of ractopamine (RAC) on whole-body ... Key words: Bovine, ractopamine, beta-agonist, energy balance, metabolism.
#11.
ACS Symposium Series (ACS Publications)
Residue and metabolism studies were carried out using 14 C ractopamine HCl in swine, dogs, and rats. Swine eliminate nearly 85% of the ...
#12.
Metabolism of ractopamine. | Download Scientific Diagram
Download scientific diagram | Metabolism of ractopamine. from publication: Comparison of beta-ligands used in cattle production: structures, safety, ...
#13.
The Beta-adrenergic agonist, Ractopamine, increases skeletal ...
Ractopamine perturbs metabolic homeostasis. Expression levels of a subset of genes displayed in Fig. 2A were validated by qPCR (Fig.
#14.
Responses to homeostatic signals in ractopamine-treated pigs
While these results suggest little change in glucose metabolism, the de-sensitization of adipose tissue β-adrenergic receptors is consistent with the ...
#15.
Pork from ractopamine-fed pigs is safe for consumption - MSU ...
The MRL for ractopamine in pork meat (muscle tissue) is lower than it ... The reason for this is that ractopamine is rapidly metabolized to ...
#16.
A Meta-Analysis of Zilpaterol and Ractopamine Effects ... - PLOS
The β-AA also directly influence protein metabolism. Previous studies have shown that RAC improved growth performance [1], [2], with the effects ...
#17.
Ractopamine Factsheet - Center for Food Safety
Ractopamine is a controversial drug used widely as an animal feed additive in industrial factory farms that raises significant food safety and ...
#18.
624.full.pdf - Drug Metabolism & Disposition
metabolism and tissue distribution of [14C]ractopamine. HCI in orally dosed turkey poults. Glucuronides of dlastereoisomeric.
#19.
美豬叩關－醫師解答何謂瘦肉精，籲：吃台豬就對了
Ractopamine ，商品名：培林圖／Farm Animal Metabolism and ... 許多研究發現、豬隻服用萊克多巴胺（Ractopamine）後導致心悸與高血壓等等的副作用！
#20.
Effect of ractopamine hydrochloride and protein level in the ...
Identification of turkey biliary metabolites of ractopamine hydrochloride and the metabolism and distribution of synthetic [14C]ractopamine glucuronides in ...
#21.
South African Journal of Animal Science - SciELO SA
Ractopamine -induced changes in the proteome of post-mortem beef longissimus ... the abundance of enzymes associated with glycolytic metabolism and thus may ...
#22.
Chromium-yeast and ractopamine affect the profile of fatty ...
Chromium-yeast and ractopamine affect the profile of fatty acids and quality of meat in pigs. rev.udcaactual.divulg.cient. [online]. 2020, vol.23, n.1, ...
#23.
Ractopamine effect on lipid metabolism and GLUT4 amount of ...
Ractopamine (RAC) causes fat deposition and/or fatty acid synthesis ... Effects of ractopamine on adipose tissue metabolism and insulin ...
#24.
Consumption of meat containing ractopamine might enhance ...
Herein, a hypothesis is raised that ractopamine might stimulate tumor growth through induction of asparagine synthetase (ASNS) expression. Metabolic ...
#25.
Effect of dietary l-carnitine and ractopamine-hcl (paylean) on ...
Effect of dietary l-carnitine and ractopamine-hcl (paylean) on the metabolic response to handling in growing-finishing pigs. James, B.W.; Woodworth, J.C.; ...
FDA. 2015b. Guidance for Industry #207 - Studies to evaluate the metabolism and residue kinetics of veterinary drugs in food-producing animals: marker residue ...
#27.
Effects of supplemental ractopamine and L-carnitine on ...
Fat metabolism can be manipulated by some feed additives. Ractopamine hydrochloride (RAC) and L- carnitine (L-C) are used to alter fat ...
#28.
Quantification of ractopamine residues on and in beef ... - X-MOL
Ractopamine hydrochloride is a commercial beta-adrenergic agonist commonly used as ... The highest concentrations of tissue-specific ractopamine metabolism ...
#29.
Metabolism of glycerol in pigs fed diets containing mixed ...
The optimised use of mixed crude glycerin (MCG) and ractopamine hydrochloride (RH) in diets for finishing pigs requires a better understanding of glycerol ...
#30.
analysis of ractopamine residues in commercial swine ...
Additives have been used to modify metabolism in several species. Among these substances, Ractopamine hydrochloride (RAC), a β-adrenergic agonist derivative.
#31.
Effects of the ractopamine on the growth, body composition, in ...
Farm Animal Metabolism and Nutrition. New York: CAB International, pp 65-95 Mustin WT, Lovell RT. 1993. Feeding the repartitioning agent, ractopamine, ...
#32.
INFLUENCE OF DIETARY RACTOPAMINE AND ...
influence of dietary ractopamine on the whole‐muscle proteome of beef LL was examined. ... Metabolic response of ractopamine .
Citation: Smith, D.J., Ehrenfreid, K.E., Dalidowicz, J.D., Turberg, M.P. 2002. Binding of ractopamine HCl to ocular tissues of cattle and turkeys in vivo and to ...
#34.
Ractopamine and Clenbuterol Urinary Residues in Pigs as ...
Key words: ractopamine, clenbuterol, ELISA, pig, urine. Introduction ... its absorption, metabolism and elimination rates, and dis-.
#35.
Purdue researchers unlocking enhanced growth in pigs
... become desensitized to ractopamine when it's fed as a daily ration. This results in the fleeting growth benefits of the metabolism-modifying drug.
#36.
Initial Liver Copper Status in Finishing Beef Steers Fed ... - MDPI
BA (NoRAC) or 300 mg·steer−1·day−1 of ractopamine hydrochloride (RAC; ... Keywords: cattle; feedlot; lipid metabolism; ractopamine ...
#37.
Ractopamine HCl improved cardiac hypertrophy but not poor ...
growth, metabolic inefficiency, or greater white blood cells ... Petersen, Jessica L.; and Yates, Dustin T., "Ractopamine HCl improved ...
#38.
Ractopamine Fed to Finishing Pigs Lowers Environmental ...
Improvements in lean growth and feed efficiency when ractopamine ... The values obtained in the metabolism study were used to calculate nutrient balance in ...
#39.
Effects of the use of ractopamine in pregnant sows on ...
#40.
JBS USA and Tyson stop using ractopamine - Pig Progress
Ractopamine is a growth-promoting feed additive which is banned in over ... The metabolic fate of ractopamine hydrochloride is noted to be ...
#41.
belly quality characteristics and fa - Redalyc
Effects of ractopamine hydrochloride and immunological castration in pigs. Part 2: belly ... acts by changing the animal metabolism. Thus, the reduction in.
#42.
Effect of dietary l-carnitine and ractopamine-hcl (paylean) on ...
Effect of dietary l-carnitine and ractopamine-hcl (paylean) on the metabolic response to handling in growing-finishing pigs. B W. James. J C. Woodworth.
The MaxSignal® Ractopamine ELISA Kit is a competitive enzyme immunoassay for the quantitative analysis of ractopamine in pork, beef, and urine.
#44.
博客來-Xenobiotics and Food-Producing Animals: Metabolism ...
書名：Xenobiotics and Food-Producing Animals: Metabolism and Residues/Developed ... and avervectin, luprostiol, and the repartitioning agent ractopamine.
#45.
US20080070990A1 - Use of ractopamine enantiomers
YJQZYXCXBBCEAQ-UHFFFAOYSA-N Ractopamine hydrochloride Chemical class ... 238000005711 pharmacological metabolism Methods 0.000 description 4 ...
#46.
Heat stress-induced deficits in growth, metabolic efficiency ...
In a 2 × 2 factorial, lambs were also given a daily gavage of 0 or 60 mg ractopamine. Growth, metabolic, cardiovascular, and stress ...
#47.
Ractopamine hydrochloride, beta1 and beta2-adrenoceptor ...
MW 337.84, Purity > 98%. Potent β1 and β2-adrenoceptor agonist. Increases force and rate of atrial contractions (EC50 = 100 nM).
#48.
Nonruminant Nutrition Ractopamine and Somatotropin on ...
Ractopamine and Somatotropin on Nutrient Metabolism and Pork Quality. 382. Effect of ractopamine on optimum dietary phosphorus regimen for growth in pigs.
#49.
Ractopamine | Podcast | Chemistry World
Ractopamine, as a livestock food additive, is banned in many parts of the ... including increasing muscle relaxation and lipid metabolism.
#50.
Effects of dietary L-carnitine and ractopamine HCl on the ...
... to determine the interactive effect of dietary L-carnitine and ractopamine HCl (RAC) on the metabolic response of pigs to handling.
#51.
Proposal to amend the List of Maximum Residue Limits (MRLs ...
Data on the metabolism and residue depletion of ractopamine in cattle, swine and turkeys were also reviewed to establish the proposed MRLs .
#52.
Ractopamine effect on lipid metabolism and GLUT4 ... - Tübitak
Ractopamine effect on lipid metabolism and GLUT4 amount of finishing pigs ... can control the fat in pigs through important metabolic.
#53.
萊克多巴胺對心血管疾病大鼠之急性循環生理研究
Ractopamine hydrochloride (RAC) is authorized for use in feed destined for ... RAC is lower in toxicity and can be rapidly metabolized; its CV toxicity for ...
#54.
Detection and Confirmation of Ractopamine and Its ...
We have investigated the detection, confirmation, and metabolism of the beta-adrenergic agonist ractopamine administered as Paylean to the horse.
#55.
Effect of dietary ractopamine supplementation on growth ...
This molecule acts on different phases of cellular metabolism. Mostly it increases fat degradation and protein synthesis. Subsequently, ractopamine in ...
#56.
Ractopamine Detection in Meat - Randox Food Diagnostics
Ractopamine was first developed as a treatment for asthma but was never ... skeletal muscle tremor, nervousness, metabolic disturbances, ...
#57.
University of São Paulo - Biblioteca Digital de Teses e ...
Ractopamine as a metabolic modifier feed additive for finishing pigs: a review. Brazilian Archives of Biology and Technology. 55:445-456.
#58.
Effect of ractopamine and conjugated linoleic acid on ...
late finishing pig diets without the use of ractopamine and still maintain performance. ... protein metabolism, increasing muscle growth accretion and.
#59.
Meta-Analysis of the Ractopamine Response in Finishing Swine
The effect of ractopamine on performance, carcass composition and meat quality of finishing ... Muscle protein metabolism in finishing pigs fed ractopamine.
#60.
Assessing the Possible Influence of Residues of Ractopamine ...
The feed additive ractopamine, a β-adrenergic agonist, has been approved for ... vascular, lifestyle, physical, and metabolic ones, such as hypertension, ...
#61.
The Influence of Paylean (Ractopamine Hydrochloride) on ...
The Influence of Paylean (Ractopamine Hydrochloride) on Pork Quality ... Effects of ractopamine on adipose tissue metabolism and insulin binding in ...
Ractopamine. The metabolism of beta-agonists is dependent on the chemical properties of each drug, with excretion reported in bile, urine, faeces and milk.
#63.
Influence of Paylean (Ractopamine Hydrochloride) on Pork ...
Effects of ractopamine on adipose tissue metabolism and insulin binding in finishing hogs. Interaction with genotype and slaughter weight.
#64.
Effects on the Nutrient Requirements of Food-Producing Animals
The effect of dietary-protein on nitrogen-metabolism, growth-performance and carcass composition of finishing pigs fed ractopamine. Fed. Proc.
#65.
Ractopamine
Metabolism and tissue residue studies: J. E. Dalidowicz et al., ACS Symp. Ser. 503, 234 (1992). Effect on growth, carcass characteristics and meat quality ...
#68.
Historical Overview of the Effect of β-Adrenergic Agonists on ...
Muscle protein metabolism in finishing pigs fed ractopamine. J Anim Sci 67:2255–2262. crossref pmid. Bischoff R. 1986. A satellite cell mitogen from crushed ...
#69.
Ractopamine in Pork | NutritionFacts.org
#70.
認識瘦肉精(萊克多巴胺（Ractopamine）)對健康的影響
而萊克多巴胺（Ractopamine）這個藥物目前並不會拿來在人體上使用，主要都 ... (圖片來自：Farm Animal Metabolism and Nutrition: Critical Reviews ...
#71.
Toxicological Evaluation of Certain Veterinary Drug Residues ...
In rats injected with [ 1 ° C ] ractopamine at 9mg / kgbw ... availability of parent ractopamine is reduced , owing to a significant first - pass metabolism ...
#72.
Indian meat industry uses Ractopamine: A banned feed ...
The metabolic reaction of ractopamine hydrochloride is similar in pigs and cattle, laboratory animals, and humans.
#73.
Biochemical basis for the effects of the beta-adrenergic ...
Ractopamine Repartitioning agent: shifts energy use from fat to muscle ... due to stimulation of lipolysis and changes in muscle protein metabolism.
#74.
Residues of Some Veterinary Drugs in Animals and Foods: ...
Dalidowicz , J.E. ( 1986a ) Metabolism of ' 4C- Ractopamine HCl in the rat . Agricultural Biochemistry , Lilly Research Laboratories , Division of Eli Lilly ...
#75.
Farm Animal Metabolism and Nutrition - 第 74 頁 - Google 圖書結果
A reduction in the 'a' value suggests that the concentration of myoglobin may be reduced in pigs fed ractopamine. The reason is probably due to a shift in ...
#76.
STRATEGIES FOR BEEF CATTLE ADAPTATION TO ... - CORE
A feedlot cattle finishing experiment and two 39-day metabolism trials were ... Ractopamine Hydrochloride is a metabolic growth modifier used to increase.
#77.
The Endocrinology of Growth, Development, and Metabolism in ...
A systematic attempt to determine whether protein requirement is increased in pigs administered ractopamine was recently reported (Dunshea er al., 1991).
#78.
Metabolic Modifiers: Effects on the Nutrient Requirements of ...
Several reports indicate that increases in dietary protein intake are required for the effects of ractopamine to be fully exhibited with respect to ...
#79.
Energy and protein metabolism and nutrition
Fat and lean deposition in growing pigs can also be influenced by the level of protein in the diet and by feeding the β-adrenergic agonist, ractopamine ...
ractopamine metabolism 在 Beta-adrenergic agonist, Ractopamine, increases skeletal ... 的推薦與評價
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