| Registro completo |
| Provedor de dados: |
R. Bras. Zootec.
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| País: |
Brazil
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| Título: |
Available phosphorus for 15- to 30-kg pigs kept in hot environment
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| Autores: |
Alebrante,Leandro
Donzele,Juarez Lopes
Oliveira,Rita Flavia Miranda de
Saraiva,Alysson
Guimarães,Simoni Eliza Facioni
Ferreira,Aloízio Soares
Silva,Francisco Carlos de Oliveira
Abreu,Márvio Lobão Teixeira de
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| Data: |
2011-12-01
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| Ano: |
2011
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| Palavras-chave: |
Genotype
Minerals
Requirement
Swine
Temperature
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| Resumo: |
This experiment was conducted to determine the requirement of available phosphorus (aP) for pigs kept in hot environment. Seventy-two pigs (36 castrated males and 36 females) with initial weight of 15.10±0.31 kg were allotted in a completely randomized block design with six treatments (0.107, 0.214, 0.321, 0.428, 0.535, and 0.642% of aP), six replicates and two pigs (1 castrated male and 1 female) per experimental unit. Pigs were kept in a hot environment with temperature of 34.1±0.8 ºC. The levels of aP influenced the daily weight gain, which increased quadratically up to the estimated level of 0.477%, and feed conversion, which improved quadratically up to the estimated level of 0.457%. The levels of aP also influenced the content of phosphorus in the bone, which increased quadratically up to the estimated level of 0.529%. The available phosphorus requirement of 15- to 30-kg pigs kept in a hot environment, for the best results of daily weight gain, feed conversion and bone parameters are 0.477, 0.457, and 0.529%, corresponding to the estimated daily available phosphorus intakes of 4.75; 4.55 and 5.27 g, respectively.
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| Tipo: |
Info:eu-repo/semantics/article
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| Idioma: |
Inglês
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| Identificador: |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011001200016
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| Editor: |
Sociedade Brasileira de Zootecnia
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| Relação: |
10.1590/S1516-35982011001200016
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| Formato: |
text/html
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| Fonte: |
Revista Brasileira de Zootecnia v.40 n.12 2011
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| Direitos: |
info:eu-repo/semantics/openAccess
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