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Author(s): SARAIVA, C. C. de S.; SALMAN, A. K. D.; GIORDANI JUNIOR, R.; CAVALI, J.; SANTOS, G. W. dos; ALMEIDA, D. F. de; PAZDIORA, R. D.; PORTO, M. O. The aim of this study was to evaluate milk yield and calf performances of Murrah buffalo cows supplemented with rations containing cupuassu byproduct in substitution of ground corn. |
Author(s): MELO, C. M. R. de; PACKER, I. U.; COSTA, C. N.; MACHADO, P. F. Covariance components for test day milk yield using 263 390 first lactation records of 32 448 Holstein cows were estimated using random regression animal models by restricted maximum likelihood. Three... ... |
Author(s): STUMPF, M. T.; FISCHER, V.; KOLLING, G. J.; ZANELA, M. B.; RIBEIRO, M. E. R.; ABREU, A. S. de The objective of this work was to evaluate the inclusion of sodium citrate and sodium bicarbonate in the diet of lactating Jersey cows, and its effects on the metabolic attributes, productivity and st... ... |
Author(s): MARÇAL-PEDROZA, M. G.; CAMPOS, M. M.; MARTINS, M. F.; SILVA, M. V. G. B.; COSTA, M. J. R. P. da; NEGRÃO, J. A.; SANT'ANNA, A. C. Reactive dairy cows are more susceptible to stress, and this may result in negative effects on milk yield and quality. The aims of this study were to investigate the relationships between temperament... ... |
Author(s): DALTRO, D. dos S.; SILVA, M. V. G. B.; GAMA, L. T. da; MACHADO, J. D.; KERN, E. L.; CAMPOS, G. S.; PANETTO, J. C. do C.; COBUCI, J. A. The objective of this work was to evaluate the effects of breed and heterosis on the estimates of genetic parameters of 305-day milk yield (305MY), by fitting milk yield data to the Wood, Mixed Log, M... ... |
Author(s): PEREIRA, R. J.; VERNEQUE, R. da S.; LOPES, P. S.; SANTANA JUNIOR, M. L.; LAGROTTA, M. R.; TORRES, R. A.; VERCESI FILHO, A. E.; MACHADO, M. A. With the objective of evaluating measures of milk yield persistency, 27,000 test-day milk yield records from 3362 first lactations of Brazilian Gyr cows that calved between 1990 and 2007 were analyzed... ... |
Author(s): GUIMARAES JUNIOR, R.; FERREIRA, I. C.; BRAGA, G. J.; PEREIRA, L. G. R.; TOMICH, T. R.; VILELA, L. Integrated systems have been shown to be viable technology for increase agricultural yields and reduce environmental impact. The enteric methane emissions and milk yields were assessed in crossbred gr... ... |
Author(s): CRUZ, D. A. C. da; SAVEGNAGO, R. P.; SANTANA, A. B. B.; PEIXOTO, M. G. C. D.; BRUNELI, F. A. T.; FARO, L. El ABSTRACT - The aim of this study was to explore the pattern of genetic lactation curves of Guzerá cattle using cluster analysis. Test-day milk yields of 5,274 first-lactation Guzerá cows were recorded... ... |
Author(s): CONGIO, G. F. S.; CHIAVEGATO, M. B.; BATALHA, C. D. A.; BERNDT, A.; FRIGHETTO, R. T. S.; SILVA, S. C. da Grazing management changes sward structure, affecting forage morphological characteristics and nutritive value, and ultimately animal performance and enteric methane (CH4) emissions. The objective of... ... |
Author(s): BONDAN, C.; FOLCHIN, J. A.; GUIMARÃES, L.; NORO, M.; ZANELLA, R.; ALVES, L. P; FONTANELI, R. S.; GONZALEZ, F. Abstract: This study aimed to determine the impact of different post-partum disorders on milk yield and composition. One hundred and fifteen Holstein cows from a commercial dairy farm located in the s... ... |
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