2006
DOI: 10.20870/productions-animales.2006.19.3.3491
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Hormones et promoteurs de croissance en productions animales : de la physiologie à l’évaluation du risque

Abstract: Au cours des cinquante dernières années, des progrès considérables dans les performances d’élevage des espèces domestiques ont été obtenus grâce à une meilleure connaissance acquise dans le domaine de la physiologie, en particulier en ce qui concerne la nutrition, la croissance, la reproduction et la lactation, et qui s’est conjuguée aux progrès génétiques accomplis dans les différentes espèces animales dans un contexte de meilleure maîtrise sanitaire des troupeaux et de maîtrise plus fine des systèmes d’éleva… Show more

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Cited by 6 publications
(8 citation statements)
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References 330 publications
(438 reference statements)
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“…In comparison studies for concentrations of progesterone in edible tissues from non-treated and treated veal calves,heifers, and steers, ranges of progesterone were not different between the groups; however, in the treated animals,amounts of progesterone in adipose tissue (3.20~8.66 μg/kg) were several times higher than amounts found in the control animals (0.87~1.60 μg/kg) ( Table 2 ) (Paris et al, 2006) . This increased amount is about a thousand times lower than daily production amount in adult men and women of normal status.…”
Section: Potential Human Health Impacts Of Growth Hormones Used In Fomentioning
confidence: 89%
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“…In comparison studies for concentrations of progesterone in edible tissues from non-treated and treated veal calves,heifers, and steers, ranges of progesterone were not different between the groups; however, in the treated animals,amounts of progesterone in adipose tissue (3.20~8.66 μg/kg) were several times higher than amounts found in the control animals (0.87~1.60 μg/kg) ( Table 2 ) (Paris et al, 2006) . This increased amount is about a thousand times lower than daily production amount in adult men and women of normal status.…”
Section: Potential Human Health Impacts Of Growth Hormones Used In Fomentioning
confidence: 89%
“…6.5 μg in prepubertal boys, 48 μg in men, and 37.8 mg in pregnant women (Angsusingha et al, 1974) . Estradiol is used as a growth promoter in cattle and may produce twofold to several ten-fold increases in levels, reaching peaks in the liver and fat of steers and calves (Paris, et al, 2006) .The amounts of estradiol in the muscle tissue of treated veal calves, heifers, and steers were 11~280 ng/kg, whereas 3~35 ng/kg were detected in non-treatment groups. The intake amount of estradiol via the meat of treated animals (0.0045~0.180 μg per 500 g portion of meat) is approximately forty times to thousands of times lower than the amount of human daily production of the hormone ( Table 2 ) .…”
Section: Potential Human Health Impacts Of Growth Hormones Used In Fomentioning
confidence: 99%
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“…Vroomen Louis et al (1986), Hoogenboom et al (1991Hoogenboom et al ( , 1992 and Vass et al (2008) The nitro reduction results in the formation of reactive metabolites able to bind covalently to tissue macromolecules, including proteins, which, in food-producing animals, have relatively long half-lives, persisting for several weeks in edible tissues Hoogenboom et al (1991), Hoogenboom and Polman (1993), Horne et al (1996) and Leitner et al (2001) As nitrofuran parent compounds do not persist as residues in animal tissues and do not occur at concentrations comparable to those of the marker metabolites (as protein-bound adducts), the marker metabolites AOZ, AMOZ, AHD, SEM and DNSH are appropriate for identifying the illicit use of nitrofurans in Paris et al (2006) Cows Ralgo® (70 days after implantation) Liver: 0.300 Kidney: 0.160 Muscle: 0.130 Adipose tissue: 0.180 in Paris et al (2006) Steers T emoins Ralgo ® (7 days after implantation) Ralgo ® (30 days after implantation) Ralgo ® (70 days after implantation) Ralgo ® (120 days after implantation) Liver: 0.100; 0.470; 0.810; 0.200; 0.100 Kidney: 0.100; no result; no result; 0.130; 0.084 Muscle: 0.280; 0.290; 0.280; 0.730; 0.280 Adipose tissue: 0.075; 0.077; 0.110; 0.073; 0.066 Paris et al (2006) Residues of zeranol and trenbolone do not occur in animal tissues under normal conditions but can be measured following the use of GPHs containing these compounds. It should be noted that the mycotoxin zearalenone can be present in various feed materials can be converted into zeranol.…”
Section: Abbreviationsmentioning
confidence: 99%
“…(2006)CowsRalgo® (70 days after implantation) Liver: 0.300 Kidney: 0.160 Muscle: 0.130 Adipose tissue: 0.180 Dixon et al. (1986) in Paris et al. (2006)Steers Témoins Ralgo ® (7 days after implantation) Ralgo ® (30 days after implantation) Ralgo ® (70 days after implantation) Ralgo ® (120 days after implantation) Liver: 0.100; 0.470; 0.810; 0.200; 0.100 Kidney: 0.100; no result; no result; 0.130; 0.084 Muscle: 0.280; 0.290; 0.280; 0.730; 0.280 Adipose tissue: 0.075; 0.077; 0.110; 0.073; 0.066 Paris et al.…”
Section: Appendix E – Summary Of Studies Reporting Half‐lives Of Ochrmentioning
confidence: 99%