Phosphorus Availability Of Rock Phosphates As Compared With Feed-grade Phosphates For Swine [disponibilidade De Fósforo Em Fosfatos De Rocha Em Comparação à De Fosfatos Bicálcicos Para Suínos]

dc.creatorSouza L.W.O.
dc.creatorMoretti A.S.A.
dc.creatorTucci F.M.
dc.creatorSouza N.H.
dc.creatorLea P.A.M.
dc.creatorAnzai N.H.
dc.date2009
dc.date2015-06-26T13:38:06Z
dc.date2015-11-26T15:39:24Z
dc.date2015-06-26T13:38:06Z
dc.date2015-11-26T15:39:24Z
dc.date.accessioned2018-03-28T22:47:54Z
dc.date.available2018-03-28T22:47:54Z
dc.identifier
dc.identifierRevista Brasileira De Zootecnia. , v. 38, n. 1, p. 90 - 98, 2009.
dc.identifier15163598
dc.identifier10.1590/S1516-35982009000100012
dc.identifierhttp://www.scopus.com/inward/record.url?eid=2-s2.0-65349157040&partnerID=40&md5=f9f7ca365d65a47c6b4d10a08c84e978
dc.identifierhttp://www.repositorio.unicamp.br/handle/REPOSIP/92953
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/92953
dc.identifier2-s2.0-65349157040
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1264133
dc.descriptionOne hundred ninety two swine were used in a trial to assess the relative bioavailability of phosphorus (RBP) in six phosphate sources. Phosphates were three feed grade phosphates (FP), two made in Brasil, and one USA made, and three rock phosphate samples (RP) originated from two mines sites in Brasil, and one mine site in Israel. Levels of calcium, phosphorus and fluorine in RP were 29, 12 and 1.7% (RP source 1), 33, 14 and 1.4% (RP source 2), and 30, 14 and 3.6% (RP source 3), respectively. Pigs were fed a corn-soybean meal basal diet (18% CP, 0.95% Lys, 0.75% Ca, 0.37% P) or the basal diet with 0.15% P from a standard purified grade calcium phosphate (SP), or with 0.15% P from experimental FP or RP. Each diet was fed to six pen replicates of four pigs per pen for 35 days (14.4 to 39.9 kg). Weight gain (WG), feed/gain (FG), plasma P (PP), bone ash (BA), and breaking strength of metacarpals and metatarsals (BS-MM) and femurs (BS-F) were improved by phosphorus addition. However, performance and bone parameters were depressed by RP, as compared to FP dietary supplementation. WG, BA, BS-MM and BS-F were regressed to P added, and slope-ratios were calculated to assess RBP in the FP and RP sources. The average bioavailability of P in the FP and RP sources, relative to SP, were 89 and 49% (WG), 112 and 49% (BA), 78 and 28% (BS-MM), and 101 and 52% (BS-F), respectively. Low animal performance and bone strength related to toxicity should be expected if rock phosphates are used to feed pigs. © 2009 Sociedade Brasileira de Zootecnia.
dc.description38
dc.description1
dc.description90
dc.description98
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dc.languageen
dc.languagept
dc.publisher
dc.relationRevista Brasileira de Zootecnia
dc.rightsaberto
dc.sourceScopus
dc.titlePhosphorus Availability Of Rock Phosphates As Compared With Feed-grade Phosphates For Swine [disponibilidade De Fósforo Em Fosfatos De Rocha Em Comparação à De Fosfatos Bicálcicos Para Suínos]
dc.typeArtículos de revistas


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