Use este identificador para citar ou linkar para este item: http://www.alice.cnptia.embrapa.br/alice/handle/doc/578950
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dc.contributor.authorCAMPECHE, D. F. B.pt_BR
dc.contributor.authorCATHARINO, R. R.pt_BR
dc.contributor.authorGODOY, H. T.pt_BR
dc.contributor.authorCYRINO, J. E. P.pt_BR
dc.date.accessioned2015-12-22T03:02:42Z-
dc.date.available2015-12-22T03:02:42Z-
dc.date.created2009-12-28pt_BR
dc.date.issued2009pt_BR
dc.identifier.citationScientia Agrícola, v. 66, n. 6, p. 751-756, 2009.pt_BR
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/578950pt_BR
dc.descriptionDietary vitamin supplementation decrease stress caused by high stocking density, and boosts immunological system of farmed fish. A studied was carried out to determine vitamin A requirements ofNile tilapia (Oreochromis niloticusv in an ali mal e group (13.8 ± 1.2 g) and a mixed sex population (9.8 ± 2.3 g). Fish stocked in I OO-L plastic aquaria (26.0 ± I.O°C) were fed to near satiety, twice a day, seven days a week, during 75 days with vitamin A-free, semi-purified diets supplemented with O; 600; 1,200; 1,800; 2,400; 3,000; 3,600; 4,200; 4,800 and 5,400 International Units (lU) of retinyl palmitate (30% vitamin A) per kg of diet in a completely randomized experimental design, factorial arrangement 2Xl0 (n = 4). Deficiency signs ofvitamin A were observed in fish fed O to 1.200 lU vitamin A kg " diet; moderate signs were observed in fish fed diets with 1.800 to 3.600 lU vitamin A kg-I diet; no interactions group*level (p < 0.05) were detected. Dietary levels of vitamin A up to 5.400 lU kg I influenced final weight and weight gain of fish (p < 0.05), but did not influence feed consumption (p> 0.05). A group effect was observed regarding ali performance variables (p < 0.000 I). Quantification of hepatic retinol (HPLC) detected vitamin A only in fish fed 5.400 lU retinol kg' of diet, therefore characterizing that dietary retinol was used and stored. The quantity of 5.400 lU of retinol kg-I of diet is recommended for adequate nutrition of Nile tilapia. Key words: Oreochrotnis niloticus, retinol, nutrition.eng
dc.language.isoengeng
dc.rightsopenAccesseng
dc.subjectTilápia do Nilopt_BR
dc.titleVitamin A in diets for Nile tilapia.pt_BR
dc.typeArtigo de periódicopt_BR
dc.date.updated2015-12-22T03:02:42Zpt_BR
dc.subject.thesagroAlimentaçãopt_BR
dc.subject.thesagroNutriçãopt_BR
dc.subject.thesagroPeixept_BR
dc.subject.thesagroVitamina Apt_BR
dc.subject.nalthesaurusNutritioneng
dc.subject.nalthesaurusVitamin Aeng
dc.subject.nalthesaurusFoodseng
dc.subject.nalthesaurusFisheng
riaa.ainfo.id578950pt_BR
riaa.ainfo.lastupdate2015-12-21pt_BR
dc.contributor.institutionDANIELA FERRAZ BACCONI CAMPECHE, CPATSApt_BR
dc.contributor.institutionRODRIGO RAMOS CATHARINO, UNIVERSIDADE ESTADUAL DE CAMPINASeng
dc.contributor.institutionHELENA TEIXEIRA GODOY, UNIVERSIDADE DE SÃO PAULOeng
dc.contributor.institutionJOSÉ EURICO POSSEBON CYRINO, UNIVERSIDADE DE SÃO PAULO.eng
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