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| Ribeiro,Julimar do Sacramento; Ladeira,Márcio Machado; Gonçalves,Tarcisio de Moraes; Whately,Marcelo Alcântara; Bassi,Marcelo Silva. |
| O objetivo deste trabalho foi avaliar a predição de desempenho pelos sistemas CNCPS 5.0, NRC 2000 e BR-CORTE, bem como o ganho de peso diário (GPD) e as características de carcaça em tourinhos zebuínos. Foram utilizados 44 tourinhos: 19 Nelore PO, 7 Nelore LA, 10 Tabapuã PO e 8 Guzerá PO, com peso corporal médio inicial de 266, 236, 222 e 219 kg e idade inicial média de 9, 10, 8 e 8 meses, respectivamente. O período experimental foi de 112 dias. O consumo alimentar individual foi obtido com o uso de indicadores (LIPE, óxido crômico e FDAi). Informações sobre área de olho de lombo (AOL), espessura de gordura subcutânea (EGS) e espessura de gordura na garupa (P8) foram obtidas por ultrassonografia. Para comparação do GPD predito e observado, foi utilizada... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Bos taurus indicus; Guzerá; Indicadores; Nelore; Tabapuã; Ultrassonografia. |
| Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2009001200023 |
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| Ribeiro,Julimar do Sacramento; Gonçalves,Tarcisio de Moraes; Ladeira,Márcio Machado; Tullio,Rymer Ramiz; Campos,Fabrício Rodrigues; Bergmann,José Aurélio Garcia; Machado Neto,Otávio Rodrigues; Carvalho,José Rodolfo Reis de. |
| The objective of this study was to study the animal reactivity and correlate it with performance and meat quality of cattle finished in feedlots. A total of 20 animals of the Tabapuã breed and 20 animals of the Nellore breed were confined for 112 days: 28 days of adaptation and 84 days of data collection. Performance was determined by the average daily weight gain (ADG) and average dry matter intake (DMI) estimated through the use of indicators. On the 1st, 42nd and 84th days of the experiment, two methods were used to measure the animal reactivity: animal reactivity in mobile cage and visual reactivity during handling. The characteristics of meat quality were evaluated by the color, shear force and pH24 after slaughter (pH24). Through the study of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Bovine; Meat quality; Temperament. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000400025 |
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| Machado Neto,Otávio Rodrigues; Ladeira,Márcio Machado; Chizzotti,Mário Luiz; Jorge,André Mendes; Oliveira,Dalton Mendes de; Carvalho,José Rodolfo Reis de; Ribeiro,Julimar do Sacramento. |
| The objective of this research was to evaluate average daily gain (ADG), carcass traits, meat tenderness and profitability of keeping cattle fed different oilseeds and vitamin E in feedlot. A total of 40 Red Norte young bulls with initial average body weight of 339±15 kg were utilized. The experimental design was completely randomized in a 2 × 2 factorial arrangement. The experiment lasted 84 days and experimental diets presented soybeans or cottonseeds as lipid sources associated or not to daily supplementation of 2,500 UI vitamin E per animal. The concentrate:roughage ratio was 60:40. Diets had the same amount of nitrogen (13% CP) and ether extract (6.5%). The data were analyzed by means of statistical software SAS 9.1. Neither vitamin supplementation... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Cottonseed; Ageing; Profitability; Soybean. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000700027 |
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| Ribeiro,Julimar do Sacramento; Gonçalves,Tarcisio de Moraes; Ladeira,Márcio Machado; Campos,Fabrício Rodrigues; Tullio,Rymer Ramiz; Machado Neto,Otávio Rodrigues; Oliveira,Dalton Mendes de; Bassi,Marcelo Silva. |
| The objective of this study was to evaluate the residual feed intake (RFI) and its relation with performance, carcass and meat characteristics of Zebu animals. A total of 40 Zebu steers with initial age of 18 months and initial live weight of 350 kg were confined in feedlot for 112 days. The average daily gain (ADG) and dry matter intake (DMI) were obtained every 14 days. Residual feed intake was determined by the difference between observed and predicted DMI, based on the metabolic weight and the ADG. Animals were classified into the RFI groups: high (>0.5 standard deviation of the mean - least efficient), medium (±0.5 standard deviation of the mean) and low (<0.5 standard deviation of the mean - most efficient). Daily cost with feeding and per... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Feed efficiency; Meat quality; Performance. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000600027 |
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| Ribeiro,Julimar do Sacramento; Ladeira,Marcio Machado; Machado Neto,Otavio Rodrigues; Campos,Fabrício Rodrigues. |
| Objetivou-se avaliar a predição de consumo de matéria seca (CMS) pelos sistemas CNCPS 5.0, NRC e BR-CORTE, bem como o consumo de nutrientes por tourinhos zebuínos confinados. Foram utilizados 44 animais em delineamento experimental inteiramente casualizado, sendo: 19 Nelore PO, 7 Nelore LA, 10 Tabapuã PO e 8 Guzerá PO, com peso vivo inicial médio de 394 ± 39; 348 ± 33; 346 ± 28 e 340 ± 30 kg, respectivamente, e idade inicial média de 13 meses. O período experimental foi de 84 dias. O consumo alimentar individual foi obtido com o uso dos indicadores LIPE®, óxido crômico e fibra em detergente ácido indigestível (FDAi). Para comparação do CMS predito pelos sistemas com o observado utilizou-se análise de regressão linear. Os animais Nelore LA apresentaram os... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Alimentação dos animais; Guzerá (Zebu); Nelore (Zebu); Tabapuã (Zebu). |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902012000400023 |
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