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Ferreira,Cibele Santos; Silva,Fabiano Ferreira da; Veloso,Cristina Mattos; Bonomo,Paulo; Oliveira,Julinessa Silva; Silva,Vinícius Lopes da; Schio,Alex Resende; Ítavo,Luís Carlos Vínhas. |
The objective was to assess the effects of a concentrate consisting of two types of corn: flint and dent, with three different grinding degrees (1, 3 and 5 mm), as a function of intake, performance and digestibility of three crossbred dairy suckling heifers. A randomized block design involving 54 crossbred heifers in a 2 × 3 factorial arrangement was used to assess intake and performance patterns. In order to assess digestibility, the experimental design was completely randomized, consisting of 24 crossbred heifers. Weighting and measurements of height at withers and thoracic perimeter were performed. There was no significant interaction between grinding degree and corn type for any of the studied variables. The daily intake of concentrate dry matter was... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Dent corn; Early weaning; Flint corn; Initial concentrate. |
Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000600024 |
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Kato,Reinaldo Kanji; Bertechini,Antonio Gilberto; Fassani,Edison José; Brito,Jerônimo Avito Gonçalves de; Castro,Solange de Faria. |
We determined the values of apparent metabolizable (AME), apparent corrected (AMEn), true (TME) and true corrected (TMEn) energy of six corn hybrids for broiler chickens in phases 1-7, 8-14, 15-21, 22-28, 29-35 and 36-42 day-old birds, using the substitution method (40%) of reference diet with the test ingredient. Ross-308 male chicks (1,134) were allotted to metabolism cages and the number of birds per experimental unit was adjusted to suit each bird's density stage in the cage, using six replicates. Simultaneously, birds continue to fast for the determination of metabolic and endogenous losses for each study phase. The birds received water and food ad libitum during the experimental period. The birds were maintained in metabolism cages for seven days,... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Energy content; Flint corn; Dent corn; Semi-dent corn; Soft corn. |
Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542011000600024 |
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