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Diets with reduced levels of nutrients supplemented with phytase and amino acids for broilers Ciência e Agrotecnologia
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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Efeito de diferentes relações treonina: lisina digestíveis, suplementadas ou não com glicina, sobre a atividade enzimática em pintos de corte R. Bras. Zootec.
Bernardino,Verônica Maria Pereira; Albino,Luiz Fernando Teixeira; Rostagno,Horacio Santiago; Oliveira,Maria Goreti de Almeida; Mendes,Fabrícia Queiroz; Pereira,Cinthia Maria Carlos; Ferreira,Igor Monteze; Maia,Rosana Cardoso.
O experimento foi conduzido com o objetivo de avaliar o efeito da suplementação de glicina em dietas com diferentes relações treonina:lisina digestíveis sobre a atividade de enzimas que metabolizam a treonina. Foram utilizados 560 pintos de corte machos, linhagem Cobb, durante o período de 8 a 21 dias de idade, distribuídos em delineamento inteiramente casualizado, num arranjo fatorial 3 × 2 + 1, composto de três relações treonina:lisina digestíveis (55; 65 e 75%), com suplementação ou não de glicina, mais um tratamento adicional, contendo farinha de carne e ossos e com relação treonina:lisina digestíveis de 65%. Utilizaram-se oito repetições por tratamento e 10 aves por unidade experimental alojadas em baterias metálicas. Procedeu-se à coleta total de...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Treonina aldolase; Treonina desidratase; Treonina desidrogenase.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011001200017
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Energetic and nutrient metabolizability values of corn obtained with nutritional corrections for broilers R. Bras. Zootec.
Makiyama,Letícia; Alvarenga,Renata Ribeiro; Rodrigues,Paulo Borges; Zangeronimo,Márcio Gilberto; Oliveira,Evelyn Cristina de; Bernardino,Verônica Maria Pereira; Garcia Júnior,Antônio Amandio Pinto; Bertechini,Antônio Gilberto.
The experiment was carried out to evaluate the influence of nutritional correction on the partial diet replacement or pure-food methodology to determine the energy values (apparent metabolizable energy - AME and nitrogen-correct apparent metabolizable energy - AMEn) and coefficient of metabolizability of nutrients of maize. The method of total excreta collection was used, with 120 female Cobb 500® broilers weighing 1,339±3 g and at 28 days of age distributed in a completely randomized design with five replicates and four birds per experimental unit. The treatments were pure maize with three levels of nutritional correction (0, 50 and 100%) and a maize-replaced basal diet (400 g/kg) with two levels of correction (0 and 100%). The corrections were made in...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Metabolism; Metabolizable energy; Replacement methodology; Total collection.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000500031
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Increasing levels of phytase in diets formulated with reduced available phosphorus content supplied to male and female broilers Ciência Rural
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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Yeast extract plus blood plasma in diets for piglets from 36 to 60 days old Ciência Rural
Pereira,Cinthia Maria Carlos; Donzele,Juarez Lopes; Donzele,Rita Flávia Miranda de Oliveira; Kiefer,Charles; Bernardino,Verônica Maria Pereira; Balbino,Eric Marcio; Rocha,Gabriel Cipriano.
ABSTRACT: To evaluate inclusion levels and residual effects of diets containing yeast extract (YE) plus blood plasma (BP) on the performance of 36 to 60-days old piglets, 105 piglets were used (8.75±0.72kg), and they were distributed under a randomized block experimental design with five treatments (control - 2.0% BP; 1.0% BP plus 0.0, 1.0, 2.0, or 3.0% YE), seven repetitions, and three animals per experimental unit. Piglets were given experimental diets from 36 to 49 days of age. From 50 to 60 day of age, all piglets received the same diet. No effects from treatments (P>0.10) were observed on the performance variables from 36 to 49 day of age. From 50 to 60 day of age, an effect was observed from YE levels on the daily feed consumption (P<0.03),...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Performance; Residual effect; Nutrition; Swines.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782016000601107
Registros recuperados: 5
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