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Registros recuperados: 15
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Adaptação de linhagens de galinhas para corte ao sistema de criação semi-intensivo Rev. Bras. Ciênc. Avic.
Silva,MAN; Hellmeister Filho,P; Rosário,MF; Martins,E; Coelho,AAD; Savino,VJM; Silva,IJO; Menten,JFM.
Aves de quatro linhagens de galinhas para corte foram criadas no sistema semi-intensivo, em 16 boxes, sendo 4 boxes por linhagens, com 4,5 m² de área interna (abrigo) e 35 m² de área de pastejo, com o objetivo de analisar a adaptação dessas linhagens a esse sistema de criação, através de parâmetros ambientais e comportamentais. O período experimental desenvolveu-se entre 35 e 75 dias de idade, durante o qual foram coletados dados relativos à quantidade de aves presentes no pasto, temperatura e umidade relativa nos boxes e no pasto e porcentagem de sombra no pasto. Os parâmetros ambientais monitorados influenciaram o comportamento das aves. A análise bioclimática e a observação do comportamento permitiram diferenciar as linhagens estudadas no que diz...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Adaptação; Bem-estar; Comportamento; Sistema semi-intensivo.
Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2002000300006
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Cobre e Antibiótico como Promotores de Crescimento em Rações para Frangos de Corte Rev. Bras. Ciênc. Avic.
Iafigliola,MC; Menten,JFM; Racanicci,AMC; Gaiotto,JB.
Foi realizado um experimento objetivando avaliar os efeitos de promotores de crescimento sobre o desempenho e a temperatura corporal de frangos de corte, no período de 1 a 42 dias de idade. Os tratamentos consistiram de uma ração basal não suplementada (Controle), ou suplementada com 200 mg de Cu/kg de sulfato cúprico pentahidratado (Sulfato), 75 mg de Cu/kg de citrato cúprico anidro (Citrato), 20 mg/kg de virginiamicina (VM), ou a associação Citrato + VM, em um experimento em blocos casualizados com seis repetições de 40 aves, criadas sobre cama reutilizada. Não se observou efeito de tratamentos na fase inicial. Na fase final os tratamentos não afetaram o consumo de ração e o ganho de peso, enquanto a conversão alimentar foi melhor para o VM comparado ao...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Frangos de corte; Desempenho; Cobre; Virginiamicina; Temperatura corporal.
Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2000000300002
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Determination of the energetic value of corn, soybean meal and micronized full fat soybean for newly hatched chicks Rev. Bras. Ciênc. Avic.
Longo,FA; Menten,JFM; Pedroso,AA; Figueiredo,AN; Racanicci,AMC; Gaiotto,JB; Sorbara,JOB.
There are some evidences described in the literature showing reduced energy metabolizability of ingredients for newly hatched chicks. Hence, a metabolism trial was carried out with the objective of determining the metabolizable energy of corn grain, soybean meal and micronized full fat soybean for newly hatched chicks. The method of total excreta collection was used in an experiment with 192 male chicks from one to seven days, distributed in a completely randomized design with four treatments and four replicates of twelve birds. Excreta were collected from four to seven days of age. The treatments included a reference diet, two test-diets consisting of 60% of the reference diet and 40% of the test ingredients: corn grain (CG) and soybean meal (SM), and one...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Chicks; Corn; Metabolizable energy; Micronized full fat soybean; Soybean meal.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2004000300003
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Dietary oxidized poultry offal fat: broiler performance and oxidative stability of thigh meat during chilled storage Rev. Bras. Ciênc. Avic.
Racanicci,AMC; Menten,JFM; Regitano-d'Arce,MAB; Torres,EAFS; Pino,LM; Pedroso,AA.
Two experiments were conducted to evaluate the effects of dietary oxidized poultry offal fat on the performance of broilers and on the oxidative stability of dark chicken meat. One hundred and sixty male chicks were fed a corn-soybean meal diet containing 4% fresh or oxidized poultry fat from 10 to 47 days of age. Fresh fat was stored frozen until diets were produced, and oxidized fat was obtained by electrical heating (110 to 120 ºC). Birds were slaughtered at 47 days of age, and carcass characteristics were measured. Skinless and deboned thigh meat was stored chilled during 12 days, and samples were periodically collected to assess their quality and oxidative stability. Dietary oxidized fat did not affect bird performance or carcass characteristics....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Lipid oxidation; Meat quality; TBARS; Oxidized fat.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2008000100005
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Efeito da Adição do Antioxidante BHT e do Armazenamento Sobre a Qualidade da Farinha de Carne e Ossos Para Frangos de Corte Rev. Bras. Ciênc. Avic.
Racanicci,AMC; Menten,JFM; Iafigliola,MC; Gaiotto,JB; Pedroso,AA.
Este estudo foi desenvolvido com a finalidade monitorar a qualidade da farinha de carne e ossos (FCO), durante o armazenamento prolongado (10 semanas), e avaliar os efeitos da adição do BHT (500mg/kg) a esta farinha. Um lote fresco de FCO (41,12% PB e 9,14% EE) foi dividido em seis partes iguais, sendo uma não tratada (CONTROLE) e as demais tratadas com BHT em diferentes tempos de armazenamento (nos dias 0, 7, 14, 21 e 28: BHT/0, BHT/7, BHT/14, BHT/21 e BHT/28, respectivamente). As FCO foram armazenadas em ambiente diariamente monitorado e sua qualidade foi avaliada por amostragens semanais, com determinação do índice de peróxidos, cujo nível máximo obtido foi de aproximadamente 80meq/kg (CONTROLE). A partir da 4ª semana de armazenamento, foi conduzido um...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Farinha de carne e ossos; Antioxidante; Rancidez oxidativa; Subprodutos de origem animal; Frangos de corte.
Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2000000200005
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Effects of glycerol on the metabolism of broilers fed increasing glycerine levels Rev. Bras. Ciênc. Avic.
Romano,GG; Menten,JFM; Freitas,LW; Lima,MB; Pereira,R; Zavarize,KC; Dias,CTS.
This study evaluated the metabolic response of broilers fed diets containing increasing crude glycerine levels in two bioassays. Birds were house in metabolic cages, and were distributed according to a completely randomized experimental design with five treatments of 4 replicates each (1st assay: 5 birds/ cage; 2nd assay: 1-20 days = 8 birds/ cage, and 21-42 days = 4 birds/cage). Treatments consisted of a control diet based on corn and soybean meal, and four other diets containing 2.5%, 5.0%, 7.5% and 10.0% glycerine derived from biodiesel. In experiment I, there was no effect (p>0.05) of glycerol level on liver weight or blood parameters. Serum blood glycerol levels of the birds fed 10% crude glycerine increased during the first nine days of diet...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Alternative feedstuffs; Energy source; Nutrition; Feed.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2014000100014
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Evaluation of Dietary Glycerin Inclusion During Different Broiler Rearing Phases Rev. Bras. Ciênc. Avic.
Freitas,LW; Menten,JFM; Zavarize,KC; Pereira,R; Romano,GG; Lima,MB; Dias,CTS.
ABSTRACT The objective of this study was to evaluate the effect of the dietary addition of different levels of glycerin on the performance, litter moisture, pododermatitis incidence, and carcass and parts yield of broilers. In total, 1,610 broilers were reared in 35 pens with 46 birds each. A completely randomized experimental design, with five treatments with seven replicates was applied. The experimental treatments were: T1: control diet; T2: dietary inclusion of 5% glycerin from 1-42 days of age; T3: dietary inclusion of 10% glycerin from 1-42 days of age; T4: dietary inclusion of 5% glycerin from 7-42 days of age; T5: dietary inclusion of 10% glycerin from 7-42 days of age. The diets containing glycerin fed since the pre-starter period improved broiler...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Alternative feedstuff; Biodiesel; Broiler litter nutrition; Pododermatitis.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2017000500091
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Foundation and perspectives of the use of plant extracts as performance enhancers in broilers Rev. Bras. Ciênc. Avic.
Rizzo,PV; Menten,JFM; Racanicci,AMC; Santarosa,J.
Feed is responsible for about 70% of broilers production costs, leading to an increasing number of studies on alternative dietary products that benefit bird performance and lower production costs. Since the 1950s, antimicrobial additives are the most frequently used performance enhancers in animal production and their positive results are observed even in high-challenge conditions. Since the 1990s, due to the ban of the use of some antibiotics as growth promoters and the growing trend of the public to consume natural products, plant extracts have been researched as alternatives to antibiotic growth promoters. The first study that evaluated the antibacterial activities of plant extracts was carried out in 1881; however, they started to be used as flavor...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Broilers; Performance; Plant extracts.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2008000400001
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Glycerine derived from biodiesel production as a feedstuff for broiler diets Rev. Bras. Ciênc. Avic.
Silva,CLS; Menten,JFM; Traldi,AB; Pereira,R; Zavarize,KC; Santarosa,J.
The performance, carcass traits, and litter humidity of broilers fed increasing levels of glycerine derived from biodiesel production were evaluated. In this experiment, 1,575 broilers were distributed according to a completely randomized experimental design into five treatments with seven replicates of 45 birds each. Treatments consisted of a control diet and four diets containing 2.5, 5.0, 7.5, or 10% glycerine. The experimental diets contained equal nutritional levels and were based on corn, soybean meal and soybean oil. The glycerine included in the diets contained 83.4% glycerol, 1.18% sodium, and 208 ppm methanol, and a calculated energy value of 3,422 kcal AMEn/kg. Performance parameters (weight gain, feed intake, feed conversion ratio, live weight,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Alternative feedstuffs; Broilers; Biodiesel; Performance; Glycerol.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2012000300006
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Metabolizable Energy For Chickens Of High And Low Density Corn Fractions Segregated In Densimetric Table Rev. Bras. Ciênc. Avic.
Komatsu,GSN; Dias,CTS; Suckeveris,D; Pereira,R; Fujikura,VK; Burin Jr,AM; Menten,JFM.
ABSTRACT Corn is the main energy feed used in broiler chickens rations in most countries. In the literature, there are indications that high density corn segregated in densimetric table contains higher value of metabolizable energy than the corresponding fraction of low density, but the reasons are not clear. This study was conducted to determine the metabolizable energy of different types of corn, segregated in densimetric table, for poultry. The corn types were selected by the texture of grain (flint, semi-dent and dent) and were planted in the same area. Semi-dent grain corn was used as standard, and the flint and dent grains were segregated in a densimetric table to separate 25% of the total as high density and 25% as low density. The flint, semi-dent...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Corn; Densimetric table; Hectoliter weight; Metabolizable energy.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2019000200303
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Metabolizable energy of different glycerine sources derived from national biodiesel production for broilers Rev. Bras. Ciênc. Avic.
Zavarize,KC; Menten,JFM; Pereira,R; Freitas,LW; Romano,GG; Bernardino,M; Rosa,AS.
The objective of the present study was to evaluate the quality of different glycerine sources produced in Brazil and to analyze their metabolizable energy levels and digestibility for broilers. Firstly, the composition of 10 samples of glycerine from different sources was analyzed. Secondly, glycerine from four different sources presenting contrasting compositions were selected to determine their metabolizable energy levels and digestibility in metabolism assays using 200 broilers between 21 and 29 days of age, applying the method of total excreta collection. The values of apparent metabolizable energy corrected for nitrogen balance of the four glycerine sources were 3145, 5026, 2828, and 2892 kcal/kg.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Alternative feedstuffs; Broilers; Metabolizable energy; Glycerol.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2014000400011
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Óleo de Soja, Óleo Ácido de Soja e Sebo Bovino Como Fontes de Gordura em Rações de Frangos de Corte Rev. Bras. Ciênc. Avic.
Gaiotto,JB; Menten,JFM; Racanicci,AMC; Iafigliola,MC.
O experimento avaliou o desempenho de frangos de corte suplementados em 4% na ração com três fontes de gordura: óleo ácido de soja (OAS4) e sebo bovino (SEBO4), óleo de soja (SOJA4) e misturas de 2% entre estas: (OAS2/SEBO2), (OAS2/SOJA2) e (SOJA2/SEBO2). Foram utilizados blocos casualizados, com 6 tratamentos, 6 repetições e 40 aves por parcela. Foram avaliadas as variáveis: consumo de ração (CR), ganho de peso (GP), peso vivo (PV), conversão alimentar (CA), fator de produção (FP) e viabilidade (VB), aos 42 dias de idade. Para análise, foram utilizados contrastes não ortogonais: 1- SOJA4 X (OAS4 + SEBO4 + OAS2/SEBO2); 2- SOJA4 X (OAS2/SOJA2 + SOJA2/SEBO2); 3- OAS2/SOJA2 X SOJA2/SEBO2; 4- OAS4 X OAS2/SOJA2; 5- OAS4 X OAS2/SEBO2. No contraste 1, observou-se...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Frango de corte; Óleo de soja; Óleo de ácido de soja; Sebo bovino; Gordura abdominal.
Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2000000300004
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Performance and organ morphology of broilers fed microbial or antimicrobial additives and raised in batteries or floor pens Rev. Bras. Ciênc. Avic.
Pedroso,AA; Menten,JFM; Racanicci,AMC; Longo,FA; Sorbara,JOB; Gaiotto,JB.
This study was conducted to determine the effect of microbial or antimicrobial additives on the performance and organ morphology of broilers raised in batteries or in floor pens. The effect of microbial additives on the presence of oocysts in the litter was also studied. Experiments 1 and 2 consisted of four treatments (non-supplemented control diet or diet supplemented with avilamycin, bacitracin methylene disalicylate or enramycin) and six repetitions in a randomized block design. In Experiment 1, 288 day-old chicks were housed in heated batteries in a environmentally controlled room, 12 chicks per cage; in Experiment 2, 1,200 day-old chicks were housed in a curtain-sided experimental house, with concrete floor and rice hulls as litter material, 50...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Antibiotic; Broilers; Growth promoters; Organ morphology; Performance; Probiotic.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2003000200004
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Plant extracts used as growth promoters in broilers Rev. Bras. Ciênc. Avic.
Barreto,MSR; Menten,JFM; Racanicci,AMC; Pereira,PWZ; Rizzo,PV.
Two experiments were carried out to assess the efficacy of plant extracts as alternatives for antimicrobial growth promoters in broiler diets. The performance experiment included 1,200 male broilers raised from 1 to 42 days of age. The metabolism experiment used 96 male broilers in the grower phase housed in metabolic cages for total excreta collection. At the end of the metabolism experiment, 24 birds were sacrificed to assess organ morphometrics. In both experiments, the following treatments were applied: control diet (CD); CD + 10 ppm avilamycin; CD + 1000 ppm oregano extract; CD + 1000 ppm clove extract; CD + 1000 ppm cinnamon extract; and CD + 1000 ppm red pepper extract. The microencapsulated extracts contained 20% of essential oil. No significant...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Apparent metabolizable energy; Broilers; Nutrition; Growth promoters; Plant extracts.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2008000200006
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What determines hatchling weight: breeder age or incubated egg weight? Rev. Bras. Ciênc. Avic.
Traldi,AB; Menten,JFM; Silva,CS; Rizzo,PV; Pereira,PWZ; Santarosa,J.
Two experiments were carried out to determine which factor influences weight at hatch of broiler chicks: breeder age or incubated egg weight. In Experiment 1, 2340 eggs produced by 29- and 55-week-old Ross® broiler breeders were incubated. The eggs selected for incubation weighed one standard deviation below and above average egg weight. In Experiment 2, 2160 eggs weighing 62 g produced by breeders of both ages were incubated. In both experiments, 50 additional eggs within the weight interval determined for each breeder age were weighed, broken, and their components were separated and weighed. At hatch, hatchlings were sexed and weighed, determining the average initial weight of the progeny of each breeder age. Data were analyzed using the Analyst program...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Albumen; Eggshell; Hatchling weight; Incubation; Yolk.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2011000400011
Registros recuperados: 15
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