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Impact of body weight at 19 weeks of Embrapa 051 layers on performance, nest utilization, and egg quality throughout the laying cycle. Author(s): RODRIGUES, T. A.; GIEHL, D. Z.; CAMACHO, J. da S.; AVILA, V. S. de; KRABBE, E. L.; ROLL, A. A. P.; ROLL, V. F. B. ABSTRACT: A total of 860 Embrapa 051 pullets were allocated into three groups based on their 19-week body weights (heavy: 1.48 kg ± 0.01 SD, N= 172 birds, medium: 1.32 kg ± 0.039 SD, N= 516 birds, lig... ... Repository: BDPA Publication year: 2025
Non-hierarchical cluster analysis for body weight, age at first egg, egg production and egg weight in a laying hen strain. Author(s): FREITAS, L. A. de; GRUPIONI, N. V.; SAVEGNAGO, R. P.; STAFUZZA, N. B.; FIGUEIREDO, E. A. P. de; SCHMIDT, G. S.; LEDUR, M. C.; MUNARI, D. P. Repository: BDPA Publication year: 2016
Estimation of genetic parameters for total egg production, egg weight, and age at first egg in a laying hens line. Author(s): FREITAS, L. A.; CRUZ, V. A. R.; SAVEGNAGO, R. P.; VENTURINI, G. C.; LEDUR, M. C.; SCHMIDT, G. S.; MUNARI, D. P. Repository: BDPA Publication year: 2014
Fat-soluble vitamin supplementation levels in diets for laying hens from 28 to 44 weeks of age. Author(s): FÉLIX, D. O.; SILVA, A. S.; FIALHO, A. T. S.; OLIVEIRA, C. J. P; BRITO, C. O.; TAVERNARI, F. de C.; RIBEIRO JUNIOR, V.; ROSTAGNO, H. S.; ALBINO, L. F. T. Abstratc: This study aimed to examine the impact of levels of dietary supplementation with fat-soluble vitamins on the production performance and egg quality of laying hens. Three hundred Hy-Line Whit... ... Repository: BDPA Publication year: 2020
Neural networks to predict breeding values of egg production using phenotypic information. Author(s): CRUZ, V. A. R.; SAVEGNAGO, R. P.; SCHMIDT, G. S.; LEDUR, M. C.; MUNARI, D. P. Repository: BDPA Publication year: 2014
Is selection for resistance and resilience to Haemonchus contortus possible in Morada Nova sheep? Author(s): HAEHLING, M. B.; TOSCANO, J. H. B.; GIRALDELO, L. A.; SANTOS, I. B.; ESTEVES, S. N.; BENAVIDES, M. V.; THOLON, P.; CHAGAS, A. C. de S. Gastrointestinal nematodes (GIN) are a major constraint for sheep production. Selection of animals resistant to GIN infection is an effective and sustainable control strategy. In this study, the possi... ... Repository: BDPA Publication year: 2021
Physical traits of eggs from free-range domestic hens of the Sura variety in Northeast Brazil. Author(s): MACHADO, L. P. M.; CAVALCANTE, D. H.; COSTA, M. da S.; OLIVEIRA, M. R. A.; SOUSA JUNIOR, A.; ALMEIDA, M. J. de O.; ARAUJO, A. M. de ABSTRACT: This study aimed to analyze the physical characteristics of eggs from free-range hens of the Sura variety. One hundred eggs underwent assessment of various physical parameters, namely, whole... ... Repository: BDPA Publication year: 2024
Enzymatic association of phytase and xylanase in diets for cage free laying hens. Author(s): MORENO, F. A.; SOARES, C. E. da S.; DAHLKE, F.; ALVAREZ, M. V. N.; AVILA, V. S. de; KRABBE, E. L.; MAIORKA, A. Abstract: The objective of this study was to evaluate the influence of an enzymatic association between phytase and xylanase on the production performance of commercial laying hens reared in cage free... ... Repository: BDPA Publication year: 2021
Reproductive aspects of Macrobrachium amazonicum (Decapoda: Palaemonidae) in the State of Amapá, Amazon River mouth. Author(s): LIMA, J. de F.; SILVA, L. M. A. da; SILVA, T. C. da; GARCIA, J. da S.; PEREIRA, I. da S.; AMARAL, K. D. S. Macrobrachium amazonicum is an indigenous prawn vastly distributed in basins of South America, widely exploited by artisanal fisheries in northern and northeastern Brazil and, with great potential for... ... Repository: BDPA Publication year: 2014
Avaliação do farelo de mamona autoclavado com e sem adição de complexo enzimático na qualidade dos ovos de codornas japonesas. Author(s): FARIA, A. de G.; PIMENTEL, A.; LUDKE, M. do C. M. M.; LUDKE, J. V.; SANTOS, A. C. F. dos; OLIVEIRA, R. R. L. de O objetivo do experimento foi avaliar o uso do farelo de mamona autoclavado com e sem adição de complexos enzimáticos em rações de codornas japonesas em postura. Foram selecionadas 216 codornas pela p... ... Repository: BDPA Publication year: 2014

Showing 1 - 10 of 304 results.

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