Requirement of available phosphorus by female broiler chickens keeping the calcium:available phosphorus ratio at 2:1

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dc.creatorMello, Heloisa Helena de Carvalho
dc.creatorGomes, Paulo Cezar
dc.creatorRostagno, Horacio Santiago
dc.creatorAlbino, Luiz Fernando Teixeira
dc.creatorOliveira, Rita Flávia Miranda de
dc.creatorRocha, Tatiana Cristina da
dc.creatorRibeiro, Cleverson Luís Nascimento
dc.date.accessioned2020-03-24T14:25:24Z
dc.date.available2020-03-24T14:25:24Z
dc.date.issued2012
dc.description.abstractFour trials were conducted to determine the requirements of available phosphorus (aP) of female broiler chicks from 1 to 10 (exp.1), 11 to 21 (exp.2), 22 to 33 (exp.3), and from 34 to 46 (exp.4) days of age, keeping the calcium: available phosphorus ratio equal to 2:1. In each trial, 480 Cobb broilers were randomly allotted in a completely randomized design with 6 treatments, 8 replicates and 10 birds per pen. The levels of aP ranged from 2.0 to 5.5 g/kg (Exp. 1), 1.9 to 5.4g/kg (exp. 2), 1.8 to 5.3 g/kg (exp. 3) and 1.7 to 5.2 g/kg of diet (exp. 4), in increments of 0.7 g/kg. The experimental diets were formulated using corn and soybean meal and the available phosphorus was considered 33% of total phosphorus. The characteristics evaluated were body weight gain, feed intake, feed conversion ratio and bone parameters. For female broiler chicks from 1 to 10; 11 to 21; 22 to 33; and from 34 to 46 days of age, the levels of available phosphorus and calcium recommended are 4.59 and 9.18; 3.88 and 7.76; 3.58 and 7.16; and 2.56 and 5.12 g/kg of diet, respectively.pt_BR
dc.identifier.citationMELLO, Heloisa Helena de Carvalho et al. Requirement of available phosphorus by female broiler chickens keeping the calcium:available phosphorus ratio at 2:1. Revista Brasileira de Zootecnia, Viçosa, v. 41, n. 11, p. 2329-2335, 2012.pt_BR
dc.identifier.doi10.1590/S1516-35982012001100005
dc.identifier.issne- 1806-9290
dc.identifier.urihttp://repositorio.bc.ufg.br/handle/ri/18905
dc.language.isoengpt_BR
dc.publisher.countryBrasilpt_BR
dc.publisher.departmentEscola de Medicina Veterinária e Zootecnia - EVZ (RG)pt_BR
dc.rightsAcesso Abertopt_BR
dc.subjectChickenpt_BR
dc.subjectMineralspt_BR
dc.subjectPerformancept_BR
dc.subjectRationpt_BR
dc.subjectTibiapt_BR
dc.titleRequirement of available phosphorus by female broiler chickens keeping the calcium:available phosphorus ratio at 2:1pt_BR
dc.typeArtigopt_BR

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