Consulta: creatorFacets:"Castilhos,André Michel de"
Registros recuperados: 6
Data/hora: 16/06/2024 10:48:13

Yield and nutritive value of the silage of corn intercropped with tropical perennial grasses
Provedor de dados: 86
Autores: Costa,Nídia Raquel; Andreotti,Marcelo; Crusciol,Carlos Alexandre Costa; Lima,César Gustavo da Rocha; Castilhos,André Michel de; Souza,Daniel Martins de; Bonini,Carolina dos Santos Batista; Pariz,Cristiano Magalhães.
Abstract: The objective of this work was to compare the yield and nutritive value of the silage of corn intercropped with palisade grass (Urochloa brizantha 'Marandu') or guinea grass (Megathyrsus maximus 'Tanzânia') with those of the silage of monocropped corn, as well as to evaluate the pasture established in the intercropping systems during two growing seasons (2010-2011 and 2011-2012), in low-altitude Brazilian Cerrado. The treatments consisted of three cropping systems: monocropped corn, corn intercropped with palisade grass, and corn intercropped with guinea grass, with four replicates. Intercropping decreased corn forage dry matter yield for silage; however, due to the addition of grass, total dry matter yield (corn + grass) was similar between...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Megathyrsus maximus; Urochloa brizantha; Zea mays; Brazilian Cerrado; Intercropped system.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2017000100063

Silage production of corn intercropped with tropical forages in an integrated crop-livestock system with lambs
Provedor de dados: 86
Autores: Pariz,Cristiano Magalhães; Costa,Ciniro; Crusciol,Carlos Alexandre Costa; Meirelles,Paulo Roberto de Lima; Castilhos,André Michel de; Andreotti,Marcelo; Costa,Nídia Raquel; Martello,Jorge Martinelli.
Abstract: The objective of this work was to evaluate the effect of intercropping systems between corn and tropical forages, at different cutting heights, on silage production, light interception, land use efficiency, intercropping competition factors, and pasture production. In the 2010/2011 and 2011/2012 crop seasons, two cultivation modalities were evaluated in the summer/autumn - monocropped corn with residual regrowth of signal grass (Urochloa decumbens) from the soil seed bank and corn intercropped with palisade grass (U. brizantha 'Marandu') -, in a factorial arrangement with two cutting heights for silage production - 0.20 and 0.45 m. After corn silage harvest, the forages were grazed by lambs in a semi-feedlot system, in the winter/spring....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Urochloa; Zea mays; Cutting height; Land equivalent ratio; Light interception.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2017000100054

Simbióticos e monensina sódica no desempenho e na qualidade da carne de novilhas mestiças Angus confinadas
Provedor de dados: 86
Autores: Ribeiro,Fábio Garcia; Jorge,André Mendes; Francisco,Caroline de Lima; Castilhos,André Michel de; Pariz,Cristiano Magalhães; Silva,Maurícia Brandão da.
Resumo:O objetivo deste trabalho foi avaliar o efeito da inclusão de simbióticos e de monensina sódica em dietas sobre o desempenho, as características de carcaça e a qualidade da carne de novilhas mestiças Angus em confinamento. Utilizou-se um delineamento inteiramente casualizado, com 64 animais distribuídos em quatro tratamentos: controle, dieta sem suplementação; dieta suplementada com simbióticos; dieta com monensina sódica; e dieta com simbióticos e monensina sódica. A dieta com monensina sódica e a dieta com simbióticos e monensina sódica proporcionaram maior ganho de peso médio diário e ganho de peso vivo total, além de melhorar a eficiência alimentar e biológica dos animais em comparação ao controle. A dieta de simbióticos, a de monensina e a de...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bovino de corte; Composição química da carne; Eficiência alimentar; Força de cisalhamento; Ganho de peso vivo.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2015001000958

Test post-weaning duration for performance, feed intake and feed efficiency in Nellore cattle
Provedor de dados: 96
Autores: Castilhos,André Michel de; Branco,Renata Helena; Razook,Alexander George; Bonilha,Sarah Figueiredo Martins; Mercadante,Maria Eugênia Zerlotti; Figueiredo,Leopoldo Andrade de.
This study was conducted to determine optimum test duration for measuring performance, feed intake and feed efficiency. Sixty young Nellore bulls were submitted to feeding performance test and fed in individual pens to determine feed intake and performance over 112 days. Body weight was determined every 28 days, after fasting of water and feed for 16 hours. Changes in variance, relative variance and Pearson and Spearman correlations among data from shortened test periods (28, 56 and 84 days) and full test period (112 days) were used to determine optimum test duration. Test duration for average daily gain, dry matter intake, feed:gain ratio and residual feed intake could be shortened to 84, 28, 84 and 84 days, respectively, without reducing significantly...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Beef cattle; Feeding performance test; Residual feed intake.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011000200010

Feedlot performance, feed efficiency and carcass traits in Nellore cattle selected for postweaning weight
Provedor de dados: 96
Autores: Lucila Sobrinho,Tatiana; Bonilha,Sarah Figueiredo Martins; Gonçalves,Heraldo Cesar; Castilhos,André Michel de; Magnani,Elaine; Razook,Alexander George; Branco,Renata Helena.
The objective of this study was to evaluate the correlated responses to selection for growth in feed efficiency and carcass traits of Nellore animals. A total of 121 animals of the Nellore control (NeC) and selection herds were subjected to performance testing and classified regarding residual feed intake (RFI). Sixty-seven of these animals were selected and finished until reaching 4 mm of subcutaneous fat thickness between the 12th and 13th ribs. The animals were slaughtered at a mean age of 541 days and mean live weight of 423 kg for NeS and of 363 kg for NeC, and carcass traits were measured. Animals in NeS presented higher initial and slaughter weights, dry matter intake, hot and cold carcass weight, weight of retail cuts, and carcass yield than NeC...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Beef cattle; Carcass yield; Meat cuts; Selection.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982013000200007

Feed efficiency of Nellore cattle selected for postweaning weight
Provedor de dados: 96
Autores: Castilhos,André Michel de; Branco,Renata Helena; Corvino,Tatiana Lucila Sobrinho; Razook,Alexander George; Bonilha,Sarah Figueiredo Martins; Figueiredo,Leopoldo Andrade de.
Two Nellore herds were compared, one selected for greater postweaning weight and the other, control, selected for average postweaning weight, to evaluate the effects of 29 years of selection on feed efficiency. Sixty Nellore males (41 selected and 19 control) averaging 205 kg and 267 days of age were evaluated in individual pens during performance test. Performance and dry matter intake were used to determine the following feed efficiency traits: feed conversion; residual feed intake; residual gain; partial growth efficiency; relative growth rate and Kleiber ratio. After the 112-day experimental period, control animals showed lower body weight when compared to selected animals, however, they did not differ for dry matter intake (% of body weight), rib-eye...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Beef cattle; Feed conversion; Residual feed intake; Selection.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982010001100023