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Quality assessment of corn batches received at a feed mill in the brazilian cerrado Rev. Bras. Ciênc. Avic.
Rodrigues,SIFC; Stringhini,JH; Ribeiro,AML; Pontalti,GC; McManus,CM.
This study aimed at investigating factors that contribute to changes in the quality of corn used in compound poultry feeds. Samples were collected from 6488 bulk cargos received at a feed mill located close to Brasília, Brazil. The parameters studied were divided into two groups: those related to corn chemical composition, including crude protein (% CP), ether extract (% EE), crude fiber (% CF), nitrogen-free extract (% NFE), and estimated metabolizable energy (ME), and corn physical characteristics, including density, moisture, and grain physical damage. High coefficients of determination (R²) and low coefficients of variation (CV) were determined for the chemical and physical parameters. The analysis of variance showed low to medium R². Month, year,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Chemical composition; Grain damage; Corn density; Nutritional value; Physical traits.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2014000300002
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Utilization of Different Corn Fractions by Broilers Rev. Bras. Ciênc. Avic.
Costa,SIFR; Stringhini,JH; Ribeiro,AML; Pontalti,G; MacManus,C.
ABSTRACTThis study was conducted to evaluate the nutritional values of fractions of damaged corn. One hundred and eighty 22-d-old Cobb 500 male broilers were distributed in batteries according to a completely randomized design with six treatments of six replicates each. The treatments consisted of diets containing five corn fractions, classified as sound, fermented, insect-damaged, mold-damaged, or reference corn. The test diets consisted of 60% of reference diet + 40% of each corn fraction. Only the reference corn fraction included all the fractions at different proportions (0.8% fermented, 0.05% insect-damaged, 3.3% mold-damaged, and 95.85% sound grains). The method of total excreta collection was used to determine AMEn values and metabolizability...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Corn quality; Corn density; Metabolizable energy; Broilers..
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2015000300307
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