7 documents found, page 1 of 1
Forage sorghum production under rainfed farming in sites with and without clima...
Farias, Paulo Cesar Batista de; Bezerra, Leilson Rocha; Silva, Alex Lopes da; Nascimento, Romilda Rodrigues do; Azevedo, Felipe Luênio deForage sorghum is a crop that can be planted in semiarid regions, due to its greater adaptability to dry climate environments, and can replace maize in these regions, which are often unsuitable for its production. Thus, the objective of the study was to evaluate the structural, morphological and nutritional characteristics of 23 sorghum hybrids forage cultivated in rainfed conditions, planted in different clima...
Uso de diferentes revestimentos na produção de pré-secado de gramíneas tropicais
Silva, Alex Lopes daTwo experiments were carried out with haylage, one with marandu grass and the other with tanzania grass, both with the same objective, which consisted of evaluating the gas quantification, temperature, fermentation characteristics, chemical composition and aerobic stability of the haylage coated with films of different thicknesses. Four plastic films of different thicknesses were tested as haylage coating (10, ...
Agronomic characterization and chemical composition of sorghum hybrids for sila...
Silva, Alex Lopes da; Edvan, Ricardo Loiola; Bezerra, Leilson Rocha; Araújo, Marcos Jácome de; Costa Filho, José Hamilton daThe sorghum crop stands out in animal feeding, as this feedstuff can be preserved still fresh in the form of silage. This study was conducted to determine the agronomic characterization and chemical composition of sorghum hybrids in rainfed conditions aiming at silage production. Twenty-five sorghum hybrids were used in a randomized-block experimental design with three replicates. The following variables were e...
Simulation of rumen fermentation kinetics of by-products from the biodiesel ind...
Silva, Alex Lopes da; Marcondes, Marcos Inácio; Veloso, Cristina Mattos; Sousa, Fernanda Campos de; Knupp, Leonardo SidneyObjetivou-se estudar a cinética de fermentação ruminal de 18 coprodutos da indústria do biodiesel, com potencial de uso na alimentação de ruminantes, através da técnica de produção de gases in vitro. Os alimentos estudados foram os farelos de: algodão, canudo de pito, crambe, girassol, mamona destoxificado com cal e soja e as tortas de: algodão, amendoim, babaçu, crambe, dendê, girassol, licuri, sementes de mac...
Prediction of starter feed intake of preweaned dairy calves and effects of rume...
Silva, Alex Lopes daConselho Nacional de Desenvolvimento Científico e Tecnológic; Este trabalho foi desenvolvido a partir de três estudos. Assim, o objetivo do primeiro estudo foi identificar variáveis que afetam o consumo de concentrado (CC), e desenvolver equações para predizer o CC de bezerros leiteiros até os 64 dias de vida. O banco de dados foi composto pelos dados individuais de 189 bezerros de 8 experimentos, totalizando 6...
Evaluation of raw milk quality in different production systems and periods of t...
Marcondes, Marcos Inácio; Jácome, Daniele Canabrava; Silva, Alex Lopes da; Rennó, Luciana Navajas; Pires, Ana Clarissa dos SantosThe objective of this study was to evaluate the quality of raw milk in different production systems and its variation throughout the year. The data were collected from 943 dairy farms in the South, Central-West and Central regions of the state of Minas Gerais, and in Vale do Paraíba, in the state of São Paulo, Brazil. The data were collected in the period from January 2009 to September 2011, in a total of 18,20...
Desempenho e exigências nutricionais de energia e proteína para bezerros mestiç...
Silva, Alex Lopes daConselho Nacional de Desenvolvimento Científico e Tecnológico; The objective was to evaluate the intake, digestibility, nitrogen balance and performance, and determine the nutritional requirements of energy and protein for crossbred HolsteinxGir dairy calves until 60 days of life. Thirty nine crossbred dairy infant calves, uncastrated, with degree of blood varying of, approximately, 1/2 to 3/4 HolsteinxGir and ...