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| Santos,Luziane Moreira dos; Rodrigues,Paulo Borges; Freitas,Rilke Tadeu Fonseca de; Bertechini,Antônio Gilberto; Fialho,Elias Tadeu; Gomide,Elisangela Minati; Naves,Luciana de Paula. |
| Dois experimentos independentes, um na fase pré-inicial (1 a 7 dias) e outro na fase inicial (8 a 21 dias de idade), foram realizados com frangos de corte para avaliar níveis de cálcio e fósforo disponível (Pdisp) em rações suplementadas com 500 unidades de atividade de fitase/kg de ração. Cada experimento constou de um ensaio de desempenho e outro de metabolismo e foi conduzido em esquema fatorial (3 × 4) + 1, sendo três níveis de Pdisp (0,42; 0,37; 0,32% na fase pré-inicial e 0,39; 0,34; 0,29% na fase inicial), quatro níveis de cálcio (0,94; 0,84; 0,74; 0,64% na fase pré-inicial e 0,88; 0,78; 0,68; 0,58% na fase inicial) mais uma ração controle. O controle correspondeu à única ração sem fitase e continha 0,47% de Pdisp e 0,94% de cálcio (fase... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Cinza óssea; Desempenho; Enzima; Exigência nutricional; Metabolismo. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011001100028 |
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| Alvarenga,Renata Ribeiro; Rodrigues,Paulo Borges; Cantarelli,Vinícius de Souza; Zangeronimo,Márcio Gilberto; Silva Júnior,José Walter da; Silva,Leonardo Rafael da; Santos,Luziane Moreira dos; Pereira,Luciano José. |
| The objective of this study was to determine the chemical and energy composition of spirulina (Spirulina platensis), the nutrient metabolizability coefficients, and the values of apparent metabolizable energy (AME) and the apparent metabolizable energy corrected for nitrogen balance (AMEn) in broilers. A digestibility trial was carried out by using total excreta collection method, with 90 Cobb 500 lineage chicks, with initial weight of 256 ± 5 g at 11 days of age. Birds were allotted in metabolic cages for 10 days, distributed in a completely randomized design, with three treatments and six repetitions with five birds each. Diets consisted on a reference-ration based on corn and soybean meal and two test diets, one containing spirulina (30%) and the other... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Non-conventional food; Nutritional value; Total collection. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011000500008 |
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| Santos,Luziane Moreira dos; Rodrigues,Paulo Borges; Alvarenga,Renata Ribeiro; Naves,Luciana de Paula; Hespanhol,Renato; Lima,Gustavo Freire Resende; Lara,Maria Cecília Coelho; Silva,Leonardo Rafael da. |
| Avaliaram-se os níveis de cálcio e fósforo disponível (Pdisp) em rações com fitase para frangos de corte da linhagem Cobb nas fases de crescimento (22 a 35 dias) e final (36 a 42 dias). Utilizou-se um esquema fatorial 3 × 4 + 1, composto de três níveis de Pdisp (0,36; 0,31; 0,26% na fase de crescimento e 0,33; 0,28; 0,23% na final), quatro níveis de cálcio (0,82; 0,72; 0,62; 0,52% para a fase de crescimento e 0,76; 0,66; 0,56; 0,46% para a final) e um nível de suplementação da fitase (500 ftu/kg). As rações controle não foram suplementadas com fitase e continham, respectivamente, os seguintes níveis de Pdisp e cálcio: 0,41 e 0,82% (fase de crescimento) e 0,38 e 0,76% (final). Nos ensaios de desempenho, aos 35 e 42 dias de idade, avaliaram-se o consumo de... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Cinzas ósseas; Desempenho; Enzima; Exigência nutricional; Metabolismo. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011001100029 |
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| Naves,Luciana de Paula; Rodrigues,Paulo Borges; Teixeira,Levy do Vale; Bertechini,Antônio Gilberto; Alvarenga,Renata Ribeiro; Bernardino,Verônica Maria Pereira; Santos,Luziane Moreira dos; Natividade,Yuri Pereira Efrem. |
| The reduction of the available phosphorus (avP) content in the broiler diet must be followed by the supplementation of adequate phytase. One experiment was conducted with broilers from 15 to 28 days of age to determine the level of necessary phytase when the mashed diet is formulated with 0.213% of avP to enable the results of performance, tibia ash content, and calcium (Ca) utilization similar to those determined for birds fed with diet formulated to meet their nutritional requirements. Thus, 120 broilers were distributed in (4+1) x2 factorial arrangement corresponding to four deficient diets in avP (0.213%) supplemented with phytase (0; 750; 1,500 or 2,250FTU kg-1) plus one positive control diet without phytase (0.426% of avP), supplied to male and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Aviculture; Bone ash; Enzyme; Metabolism; Performance; Phytate. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782014000801479 |
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| Gomide,Elisangela Minati; Rodrigues,Paulo Borges; Zangeronimo,Márcio Gilberto; Bertechini,Antônio Gilberto; Santos,Luziane Moreira dos; Alvarenga,Renata Ribeiro. |
| The objective of this study was to evaluate the effect of reduced-crude protein (CP) and available phosphorus (aP) diets, added with phytase and amino acids for broilers in the growing (14 to 21 days old) and retirement (35 to 42 days) phases on nitrogen, potassium and phosphorus balance. Ninety Cobb broilers were distributed in a completely randomized design with three treatments and six replications with five and three birds per experimental unit in the growing and retirement phases, respectively. Diets were elaborated to contain reduced CP and aP levels (19 and 17% CP in the growing phase, with 0.34% aP; and 18 and 16% CP in the retirement phase, with 0.30% aP), supplemented with crystalline amino acids and 500 FTU of phytase/kg diet. These were... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Enzyme; Phytate; Environment; Metabolism. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542011000300022 |
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| Gomide,Elisangela Minati; Rodrigues,Paulo Borges; Naves,Luciana de Paula; Bernardino,Verônica Maria Pereira; Santos,Luziane Moreira dos; Garcia,Antonio Amandio Pinto. |
| One performance experiment and another metabolism experiment were conducted simultaneously with broilers from 22 to 35 days of age, evaluating five diets in six replicates. The control diet, without phytase, contained 19% of crude protein (CP); 0.412% of available phosphorus (aP) and 0.824% of calcium (Ca). The other diets were supplemented with phytase and were formulated with 0.262% of aP and 0.524% of Ca, with the CP level ranging from 19 to 16%. In the performance assay, 750 birds were used, in which were evaluated the performance, the tibia ash content and yields of carcass, cuts, and abdominal fat at 35 days of age. The metabolism assay was conducted with 90 birds, evaluating the apparent metabolizable energy corrected by the nitrogen balance; the... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Tibia ash; Carcass yield; Ideal protein; Metabolism; Performance. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542012000100013 |
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