Consulta: creatorFacets:"Alencar,Stephan Alexander da Silva"
Registros recuperados: 9
Data/hora: 06/06/2024 00:29:05

Nutritional plans of digestible phosphorus for growing-finishing barrows
Provedor de dados: 96
Autores: Santos Nieto,Viviane Maria Oliveira dos; Kiefer,Charles; Nascimento,Karina Márcia Ribeiro de Souza; Gonçalves,Liliane Maria Piano; Marçal,Danilo Alves; Abreu,Rodrigo Caetano de; Santos,Alexandre Pereira dos; Alencar,Stephan Alexander da Silva.
ABSTRACT This study was conducted to evaluate nutritional plans of digestible phosphorus for barrows weighing between 30 and 100 kg. Eighty animals were distributed in a randomized block design with five nutritional plans containing 2.19-1.86-1.71, 2.57-2.23-2.09, 2.94-2.61-2.46, 3.32-2.99-2.84, and 3.70-3.36-3.32 g of digestible phosphorus kg−1 of diet, respectively, for the phases of 30 to 50 kg, 50 to 70 kg, and 70 to 100 kg, with eight replications and two barrows per experimental unit. The nutritional plans of digestible phosphorus had no effect on the final body weight, feed intake, daily weight gain, or feed conversion of barrows. The daily intake of digestible phosphorus increased with the dietary concentrations of digestible phosphorus. Of the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Carcass characteristics; Mineral requirements; Nutrient requirement.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982018000100527

Nutritional plans of digestible phosphorus for gilts from 30 to 100 kg
Provedor de dados: 96
Autores: Carvalho,Kelly Cristina Nunes; Kiefer,Charles; Nascimento,Karina Márcia Ribeiro de Souza; Santos,Tânia Mara Baptista dos; Bonin,Marina de Nadai; Alencar,Stephan Alexander da Silva; Silva,Jéssica Lira da; Rodrigues,Gabriela Puhl.
ABSTRACT The objective of this study was to evaluate sequential digestible phosphorus levels for gilts from 30 to 100 kg. Sixty gilts were used, with an initial weight of 29.98±3.37 kg and final weight of 100.66±8.82 kg, distributed in a randomized block design, with five nutritional digestible phosphorus levels: 2.19-1.88-1.68, 2.69-2.38-2.18, 3.19-2.88-2.68, 3.69-3.38-3.18, and 4.19-3.88-3.68 g kg−1, respectively, for the growth phases 30 to 50 kg, 50 to 70 kg, and 70 to 100 kg, with six replicates and two animals per pen. The nutritional plans did not influence the final weight, days to reach 100 kg, total and daily weight gain, total and daily feed intake, crude protein intake, digestible lysine intake, or metabolizable energy intake. An increase in...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Carcass quality; Manure; Mineral supplementation.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982019000100529

Dietary net energy for gilts from 25 to 100 kg body weight
Provedor de dados: 96
Autores: Marçal,Danilo Alves; Kiefer,Charles; Nascimento,Karina Márcia Ribeiro de Souza; Bonin,Marina de Nadai; Corassa,Anderson; Alencar,Stephan Alexander da Silva; Abreu,Rodrigo Caetano de; Silva,Jéssica Lira da.
ABSTRACT This experiment was conducted to evaluate the growth performance and carcass characteristics of gilts from 25 to 100 kg body weight (BW) fed diets with increased net energy (NE) levels. Seventy-two gilts with initial BW of 23.24±2.47 kg were allotted to one of six dietary treatments (2300, 2380, 2460, 2540, 2620, and 2700 kcal NE kg−1) using a completely randomized block design, with two pigs per replicate, and six replicates per treatment. Corn-soybean meal-based diets were formulated to be fed in three phases (25 to 50, 50 to 70, and 70 to 100 kg BW). Soybean oil was added to replace the inert ingredient kaolin to meet the NE level of each diet. Increasing dietary NE decreased the average daily feed intake (ADFI) and improved the feed:gain ratio...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Energy:protein ratio; Feed intake; Nutrition; Pig nutrition; Swine.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982018000100539

Dietary net energy plans for barrows from 25 to 100 kg body weight
Provedor de dados: 96
Autores: Marçal,Danilo Alves; Kiefer,Charles; Nascimento,Karina Márcia Ribeiro de Souza; Bonin,Marina de Nadai; Corassa,Anderson; Alencar,Stephan Alexander da Silva; Santos,Alexandre Pereira dos; Rodrigues,Gabriela Puhl.
ABSTRACT This experiment was conducted to evaluate growth performance and carcass characteristics of barrows from 25 to 100 kg fed diets with different dietary net energy (NE) levels. Seventy-two barrows with initial body weight (BW) of 25.19±2.13 kg were allotted using a completely randomized block design to one of six dietary NE treatments (2300, 2380, 2460, 2540, 2620, and 2700 kcal kg−1), which had two pigs per replicate and six replicates per treatment. Diets were formulated to be fed in three phases (25 to 60, 60 to 70, and 70 to 100 kg BW). The six different dietary NE densities were met by adding soybean oil in place of the inert ingredient (kaolin) to a corn-soybean meal-based diet. Increasing dietary NE decreased average daily feed intake and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Carcass quality; Fat; Feed intake; Swine; Vegetable oil.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982018000100540

Net energy levels on the lipid profile of pork
Provedor de dados: 65
Autores: Alencar,Stephan Alexander da Silva; Kiefer,Charles; Nascimento,Karina Márcia Ribeiro de Souza; Viana,Luiz Henrique; Gonçalves,Liliane Maria Piano; Rocha,Gabriel Cipriano; Corassa,Anderson; Santos,Alexandre Pereira dos.
ABSTRACT: This study was conducted to evaluate the effects of net energy levels on the lipid profile of adipose tissue and muscle of swines. A total of 90 animals, with initial weight of 71.94±4.43kg, were used, and distributed in a randomized block design in five net energy levels (2,300, 2,425, 2,550, 2,675, and 2,800Kcal kg-1 feed), with nine replicates and two animals per experimental unit. Lipid profiles of adipose tissue and muscle were analyzed using gas chromatography. Increasing the levels of net energy using soybean oil, improved the lipid profile of adipose tissue and muscle, increased linearly (P&lt;0.05) the concentrations of polyunsaturated fatty acids, especially linoleic and α-linolenic acid, reduced linearly (P&lt;0.05) the monounsaturated...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atherogenic index; Fatty acids; Omega 3; Omega 6; Thrombogenic index.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782017001000652

Propolis extract in tshe diet of weaned piglets
Provedor de dados: 65
Autores: Gonçalves,Liliane Maria Piano; Kiefer,Charles; Silva,Camilla Mendonça; Leal,Cássia Rejane Brito; Alencar,Stephan Alexander da Silva; Carvalho,Kelly Cristina Nunes; Rufino,Luciana Moura.
ABSTRACT:  This study was conducted to assess the use of propolis ethanolic extract as an alternative to performance-enhancing antibiotics for piglets. Seventy piglets weaned at 21 days of age, with initial weights of 7.3±0.4kg and final weights of 24.9±1.2kg, were randomly assigned to five diets: positive control (diet with 200ppm antibiotic); negative control (diet without growth promoter); and diets with 100, 500, and 1,000ppm of brown propolis ethanolic extract, with seven replicates of two piglets each. The duration of the experimental period was 35 days. The diets did not influence (P&gt;0.05) daily feed intake, daily weight gain, final weight, and feed conversion of animals. The bacteriological profile of the nasal swab presented a predominance of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Antimicrobials; Diarrhea; Ethanolic extract; Vegetable extract.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782018000100702

Net energy and ractopamine levels for barrows weighing 70 to 100kg
Provedor de dados: 65
Autores: Gonçalves,Liliane Maria Piano; Kiefer,Charles; Souza,Karina Márcia Ribeiro de; Marçal,Danilo Alves; Abreu,Rodrigo Caetano de; Santos Nieto,Viviane Maria Oliveira dos; Rodrigues,Gabriela Puhl; Alencar,Stephan Alexander da Silva.
ABSTRACT: The purpose of this study was to evaluate net energy and dietary ractopamine levels for barrows weighing 70 to 100kg. The 150 pigs investigated (initial weight 70.80±3.84kg) were distributed in a randomized block design with a 5×3 factorial arrangement, comprising five levels of net energy (2,300; 2,425; 2,550; 2,675; and 2,800Kcal kg-1 of diet) and three levels of ractopamine (5, 10, and 20ppm kg-1 of diet), with five replicates, and two animals per experimental unit. No interaction (P&gt;0.05) was observed between net energy and ractopamine levels. Increasing the dietary net energy levels led to a linear reduction in feed intake, with a linear improvement in feed conversion. Net energy levels had no observable effect (P&gt;0.05) on weight gain,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Carcass; Energy requirement; Nutrition.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782016000701268

Ractopamine concentration on the lipid profile of swine fat and meat
Provedor de dados: 65
Autores: Alencar,Stephan Alexander da Silva; Kiefer,Charles; Nascimento,Karina Márcia Ribeiro de Souza; Viana,Luiz Henrique; Gonçalves,Liliane Maria Piano; Rocha,Gabriel Cipriano; Corassa,Anderson; Abreu,Rodrigo Caetano de.
ABSTRACT:  This study was conducted to evaluate the effect of ractopamine concentrations on swine fat and meat lipid profiles. Ninety finishing barrows, initially weighing 71.9±4.4kg, were distributed in a randomized block design in three ractopamine concentrations (0, 10 and 20ppm) with fifteen replicates of two animals in each. Gas chromatography was used to analyze the lipid profiles of backfat and meat. The inclusion of ractopamine in the diet changed (P&lt;0.05) α-linolenic acid and eicosatrienoic acid concentrations in the backfat but did not affect (P&gt;0.05) any of the other fatty acids or indexes evaluated. In the meat, a significant effect (P&lt;0.05) was observed on nine fatty acids evaluated, with a decrease (P&lt;0.05) in lauric, myristic,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Backfat; Fatty acids; Pork.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782018000800652

Níveis de energia líquida para suínos machos castrados em terminação
Provedor de dados: 65
Autores: Gonçalves,Liliane Maria Piano; Kiefer,Charles; Souza,Karina Márcia Ribeiro de; Marçal,Danilo Alves; Abreu,Rodrigo Caetano de; Silva,Ariadne Maria Portilho Saturnino da; Alencar,Stephan Alexander da Silva.
Conduziu-se este estudo com o objetivo de avaliar níveis de energia líquida na dieta de suínos machos castrados em terminação. Foram utilizados 100 suínos, com peso inicial de 73,60±4,80kg, distribuídos em delineamento de blocos ao acaso, com cinco níveis de energia líquida (2.300, 2.425, 2.550, 2.675 e 2.800kcal kg-1 de dieta), dez repetições e dois animais por unidade experimental. Os níveis de energia líquida foram obtidos através da inclusão crescente de óleo de soja em substituição ao caulim. Houve redução (P&lt;0,05) no consumo de ração diário, consumo de lisina e consumo de proteína bruta e melhora da conversão alimentar com o aumento dos níveis de energia líquida das dietas. O melhor nível de energia líquida para suínos machos castrados em...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Carcaça; Conteúdo energético; Desempenho; Nutrição.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782015000300464