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Silva,Jaqueline de Cássia Ramos da; Rabello,Carlos Bôa-Viagem; Ludke,Maria do Carmo Mohaupt Marques; Lopes,Cláudia da Costa; Arruda,Emmanuele Maria Florêncio de; Lopes,Elainy Cristina; Oliveira,Camilla Roana Costa de; Oliveira,Cláudio José Parro de. |
ABSTRACT The objective of this study was to evaluate levels of inclusion of an enzyme complex (EC) in corn- and soybean meal-based diets for laying hens on the digestibility of nutrients and energy. A metabolism trial was conducted using 75 Dekalb Brown laying hens at 26 weeks of age, which were distributed into five treatments with five replicates in a completely randomized design. The ingredients used in the diets received an additional (enriched) 3% methionine, lysine, cysteine, threonine, tryptophan, and metabolizable energy and 33.3% phosphorus. Treatments consisted of diets including 0, 150, 200, 250, or 300 mg.kg‒1 EC. We determined apparent metabolizable energy (AME); nitrogen-corrected AME (AMEn); apparent metabolizability coefficients of dry... |
Tipo: Info:eu-repo/semantics/other |
Palavras-chave: Digestibility; Enzymes; Hens; Nutrients. |
Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982019000100503 |
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Cedro,TMM; Calixto,LFL; Gaspar,A; Curvello,FA; Hora,AS. |
The internal quality of conventional and ω-3 enriched commercial eggs stored at different temperatures was evaluated. Eggs derived from Isa Brown layers fed two different diets. In Group 1, 432 hens were fed throughout their productive life with a diet based on corn and soybean meal (production of conventional eggs). In Group 2, starting at 22 weeks of age, other 432 hens were fed a diet containing 1.5% of marine algae substrate and 1.8% of fish oil (production of ω-3 enriched eggs). The following parameters were evaluated: Haugh unit, yolk index, albumen pH, and yolk pH. There were no significant differences between conventional and enriched with ω-3 eggs as to internal quality parameters. Only the interaction between storage time and temperature was... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Commercial eggs; Hens; Omega-3; Storage; Temperature. |
Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2009000300007 |
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