Zobrazeno 1 - 10
of 72
pro vyhledávání: '"Fernanda Cristina Breda"'
Autor:
André Padilha Bravo, Alan Miranda Prestes, Mauricio Morgado de Oliveira, Vanerlei Mozaquatro Roso, Fernanda Cristina Breda Mello, Paulo Roberto Nogara Rorato
Publikováno v:
Ciência Rural, Vol 51, Iss 10 (2021)
ABSTRACT: This research identified the animal model that best describes the genetic and residual variations for tick counts in yearlings from a crossbred Angus-Nellore population of 6,951 animals that are progenies of 382 bulls and 6,198 cows. Geneti
Externí odkaz:
https://doaj.org/article/5ea249ed9fca4c2eb8a641e24455f2d2
Autor:
Giovani Luis Feltes, Vanessa Tomazetti Michelotti, Alan Miranda Prestes, Paulo Roberto Nogara Rorato, Fernanda Cristina Breda Mello, Mauricio Morgado Oliveira, Vanerlei Mozaquatro Roso
Publikováno v:
Ciência Rural, Vol 51, Iss 9 (2021)
ABSTRACT: This study evaluated the effects of seasons and latitude on tick counting and determined the best model to estimate genetic parameters for tick count and hair coat. Records of animals naturally exposed to ticks on farms in several Brazilian
Externí odkaz:
https://doaj.org/article/a4cdc761a3754d6694a6f44da8d3ef9e
Autor:
Alan Miranda Prestes, Mauricio Morgado de Oliveira, Fernanda Cristina Breda Mello, Paulo Roberto Nogara Rorato, Jader Silva Lopes, Giovani Luis Feltes, André Padilha Bravo
Publikováno v:
Pesquisa Agropecuária Brasileira, Vol 54 (2019)
Abstract: The objective of this work was to identify the most suitable model for the genetic evaluation of post-weaning weight gain in a multibreed Angus-Nelore population. Three models were tested using the Bayesian inference method: traditional ani
Externí odkaz:
https://doaj.org/article/85e90a6af3bc4e338d39cf61235c679e
Autor:
Mariana de Almeida Dornelles, Paulo Roberto Nogara Rorato, Luis Telo Lavadinho da Gama, Fernanda Cristina Breda, Carlos Bondan, Dionéia Magda Everling, Vanessa Tomazetti Michelotti, Giovani Luis Feltes
Publikováno v:
Ciência Rural, Vol 46, Iss 9, Pp 1649-1655 (2016)
ABSTRACT: The objective of this study was to compare the functions of Wilmink and Ali and Schaeffer with Legendre polynomials in random regression models using heterogeneous residual variances for modeling genetic parameters during the first lactatio
Externí odkaz:
https://doaj.org/article/9c1c8425e7f540899e3d3745fecfd163
Autor:
Giovani Luis Feltes, Vanessa Tomazetti Michelotti, Alan Miranda Prestes, André Padilha Bravo, Carlos Bondan, Mariana de Almeida Dornelles, Fernanda Cristina Breda, Paulo Roberto Nogara Rorato
Publikováno v:
Ciência Rural, Vol 46, Iss 4, Pp 700-706 (2016)
ABSTRACT: The objective of this study was to identify a nonlinear regression model that better describes the milk production and the percentages of fat and protein curves, and to identify the season and age of calving that result in higher production
Externí odkaz:
https://doaj.org/article/396fac7d5e284b73848e2667022d6f4b
Autor:
Jonas Morais, Priscila Becker Ferreira, Ianglio Márcio Travassos Duarte Jacome, Renius Mello, Fernanda Cristina Breda, Paulo Roberto Nogara Rorato
Publikováno v:
Ciência Rural, Vol 45, Iss 10, Pp 1872-1878 (2015)
Objetivou-se identificar o modelo de regressão não linear mais adequado para descrever a curva de crescimento de quatro linhagens de frangos caipira e compará-las entre as linhagens. Foram utilizadas 100 aves, sendo 13 machos e 12 fêmeas de cada
Externí odkaz:
https://doaj.org/article/e4b8f05f08814f5a84120ecf1e24b744
Autor:
Dionéia Magda Everling, Camila Urbano Braz, Fernanda Cristina Breda, Paulo Roberto Nogara Rorato
Publikováno v:
Ciência Animal Brasileira, Vol 16, Iss 4, Pp 474-480 (2015)
The objective of this study was to estimate the heritability, genetic correlation and estimated breeding values for age at first (AFC) and second calving (ASC) for Nellore females raised in Southern Brazil. The (co)variance and estimated breeding val
Externí odkaz:
https://doaj.org/article/baf0a27e97ef45e293a49206874ad291
Autor:
Diego Prado de Vargas, José Laerte Nörnberg, Renius de Oliveira Mello, Rudolf Brand Scheibler, Fernanda Cristina Breda Mello, Fábio Antunes Rizzo, Tatiana Kátia Bertussi Bellato
Publikováno v:
Ciência Rural, Vol 48, Iss 4 (2018)
ABSTRACT: Milk supply chain in Brazil exhibits significant production system heterogeneity in all federal units. Thus, the objective of this study was to form homogeneous groups of bovine milk production units based on the chemical and microbiologica
Externí odkaz:
https://doaj.org/article/64b6d1abf1e74835a326a528b655a32f
Autor:
Mariana de Almeida Dornelles, Paulo Roberto Nogara Rorato, Fernanda Cristina Breda, Carlos Bondan, Luis Telo Lavadinho da Gama, Jaime Araujo Cobuci, Giovani Luis Feltes, Vanessa Tomazetti Michelotti, Alan Miranda Prestes
Publikováno v:
Ciência Rural, Vol 45, Iss 6, Pp 1087-1092 (2015)
Objetivou-se comparar um modelo multi-característica padrão com modelos de análise de fatores (AF) e de componentes principais (CP) para estimar parâmetros genéticos para a produção de leite no dia do controle (PLDC) de vacas da raça Holandes
Externí odkaz:
https://doaj.org/article/001a7901c2144422be9133fe9ee4c80f
Autor:
Tiago Bresolin, Dionéia Magda Everling, Paulo Roberto Nogara Rorato, Camila Urbano Braz, Fernanda Cristina Breda
Publikováno v:
Acta Scientiarum: Animal Sciences, Vol 37, Iss 2, Pp 195-201 (2015)
The aim of this study was to assess the occurrence of genotype-environment interaction, as well as its effects on the magnitude of genetic parameters and the classification of Nellore breeding bulls for the trait adjusted weight at 205 days (W205) on
Externí odkaz:
https://doaj.org/article/e96015644e8146e489d270a6056d1368