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| Petrolli,Tiago Goulart; Sutille,Maria Aparecida; Petrolli,Osmar José; Stefani,Lenita Moura; Simionatto,Anderson Tiecher; Tavernari,Fernando de Castro; Zotti,Claiton André; Girardini,Lilian Kolling. |
| ABSTRACT The objective of this study was to evaluate performance, hematological parameters, leukocyte counts, and respiratory microbiota of broilers under heat stress receiving eucalyptus oil supplementation. Cobb broilers (n = 1200) were randomly distributed on the first day of life in a factorial arrangement with additional treatment (2 × 2 + 1) with two periods of oil administration via drinking water (daily, from 18 to 35 days of life) and two periods of oil administration via spray (daily, from 18 to 35 days of age) plus a control treatment, consisting of twelve replications, with 20 animals each. The birds were kept in a controlled environment with constant temperature at 32 °C to induce heat stress by infrared heaters. Eucalyptus oil was supplied by... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Additives; Environment; Essential oils; Poultry. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982019000100200 |
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| Lelis,Guilherme Rodrigues; Albino,Luiz Fernando Teixeira; Calderano,Arele Arlindo; Tavernari,Fernando de Castro; Rostagno,Horacio Santiago; Campos,Anastácia Maria de Araújo; Araújo,Wagner Azis Garcia de; Ribeiro Junior,Valdir. |
| The assay was carried out to determine the effect of phytase supplementation on performance of broilers from 1 to 21 and 1 to 40 days of age. Twelve hundred and fifty male broilers (Ross) were distributed in a randomized experimental design, with five treatments, 10 repetitions and 25 birds per experimental unit. The treatments consisted of evaluating the phytase supplementation in diets with reductions in nutritional levels, compared with the positive control. The nutrient contents in negative controls one and two were reduced progressively and these diets were supplemented with phytase levels of 250 and 500 ftu/kg of the diet, respectively. Two diets were formulated: pre-starter/starter, 1-21 days, and growth/finishing, from 21 to 40 days). In both... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Diet; Productive efficiency index; Weight gain. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000400014 |
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| Tavernari,Fernando de Castro; Lelis,Guilherme Rodrigues; Carneiro,Paulo Roberto de Oliveira; Vieira,Rodolfo Alves; Polveiro,Richard Costa; Luengas,Jorge Armando Prada; Rostagno,Horacio Santiago; Albino,Luiz Fernando Teixeira. |
| Two experiments were conducted to evaluate different digestible isoleucine/lysine ratios on diets for broiler chickens in the starter (7 to 21 days) and finishing (30 to 43 days) phases. For the tests, the experimental design was of randomized blocks with seven treatments (six different digestible isoleucine/lysine ratios and a control treatment) and eight repetitions of 25 and 20 birds (COBB males) per experimental unit in the starter and finishing phases, respectively. The diets met the requirements, except for isoleucine and lysine. To avoid excess lysine in the experimental diets, the digestible lysine content was calculated to be 87% and 89% of the recommended for the starter and finishing phases, respectively. The control treatment was adequate in... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Isoleucine; Lysine; Ratio; Requirement. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000700020 |
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| Petrolli,Tiago Goulart; Albino,Luiz Fernando Teixeira; Rostagno,Horacio Santiago; Gomes,Paulo Cezar; Tavernari,Fernando de Castro; Balbino,Eric Márcio. |
| The objective of this study was to evaluate the effect of feeding herbal extracts for broilers on performance and histology of the intestinal mucosa and its effects on the profiting from the metabolizable energy of experimental diets. For so, two experiments were conducted. In experiment I, the inclusion of different herbal extracts in diets on performance and intestinal histology of broilers was evaluated, and in experiment II, the values of apparent metabolizable energy and metabolizable energy corrected by the nitrogen balance of the experimental diets were studied. Treatments consisted of: positive control diet; positive control + avilamycin; negative control; negative control + 100 ppm of a complex containing three different herbal medicines (pepper,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Growth promoters; Herbal medicines; Intestinal histology; Metabolizable energy. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000700018 |
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| Tavernari,Fernando de Castro; Dutra Junior,Wilson Moreira; Albino,Luiz Fernando Teixeira; Rostagno,Horacio Santiago; Vieira,Rodolfo Alves; Silva,Carla Rodrigues da. |
| Foi realizado um experimento para avaliar os efeitos da inclusão de farelo de girassol em rações para frangos de corte sobre o desempenho, o rendimento de carcaça e dos cortes e a viabilidade econômica. O delineamento experimental foi em blocos casualizados com cinco níveis de farelo de girassol (0, 5, 10, 15 e 20% da dieta basal), oito repetições e 20 aves por unidade experimental. As aves e as rações foram pesadas no início e ao final de cada fase do período experimental (1 a 21 dias e 22 a 42 dias) para obtenção do consumo de ração, do ganho de peso e da conversão alimentar. Duas aves de cada repetição foram abatidas aos 42 dias de idade para avaliação da carcaça. Com a inclusão do farelo de girassol, o consumo diminuiu linearmente na fase inicial (y =... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Alimento alternativo; Avicultura; Carcaça. |
| Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982009000900015 |
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