2020
DOI: 10.5433/1679-0359.2020v41n1p271
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Dietary levels of methionine plus cystine and chelated copper on the chemical composition of eggs and yolk cholesterol of 49-week-old brown laying hens

Abstract: Highlights:Interaction of dietary levels of methionine + cystine and organic copper. Chemical composition of the egg. Met + Cys was determinant on yolk cholesterol concentration in laying hens. AbstractThe present study aims to evaluate the possible interactions of dietary levels of methionine plus cystine (Met + Cys) and organic copper (Cu) on the chemical composition of eggs, using 320 Hy-Line Brown hens at 49 weeks of age. Composition and deposition variables were evaluated in a 4 × 5 factorial arrangement,… Show more

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