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Association of PIT1 genotypes with growth traits in Canchim cattle
O uso de marcadores geneticos pode favorecer a identificacao de animais geneticamente superiores em bovino de corte. O gene PIT1 codifica para o fator de transcricao Pit-1, critico para ativar a… Expand
Selection and multivariate classification of nonlinear growth model for Nelore cattle
This study aimed to evaluate cluster analysis in classifying and selecting non linear models to describe Nelore beef cattle growth based on different goodness of fit criteria tests. A total of 12 non… Expand
Use of nonlinear models for describing scrotal circumference growth in Guzerat bulls raised under grazing conditions.
- A. M. Loaiza-Echeverri, J. Bergmann, +5 authors M. Henry
- Mathematics, Medicine
- 15 March 2013
The objective was to use various nonlinear models to describe scrotal circumference (SC) growth in Guzerat bulls on three farms in the state of Minas Gerais, Brazil. The nonlinear models were: Brody,… Expand
Effect of vitamin E supplementation on growth performance, meat quality, and immune response of male broiler chickens: A meta-analysis
Abstract The effect of vitamin E supplementation on the growth performance, carcass traits, meat quality, and immune response of male broiler chickens was studied using a meta-analysis. The database… Expand
Genetic analysis of resistance to ticks, gastrointestinal nematodes and Eimeria spp. in Nellore cattle.
The aim of the present study was to obtain genetic parameters for resistance to ticks, gastrointestinal nematodes (worms) and Eimeria spp. in Nellore cattle, analyze the inclusion of resistance… Expand
Genotype × environment interaction in individual performance and progeny tests in beef cattle.
- F. Raidan, T. Passafaro, B. Fragomeni, L. Josahkian, I. G. Pereira, F. Toral
- Biology, Medicine
- Journal of animal science
- 1 March 2015
The study reported here evaluated genotype × environment interaction in individual performance and progeny tests in beef cattle. Genetic parameters for final weight (FW), ADG, and scrotal… Expand
Genetic parameters and alternatives for evaluation and ranking of Nellore young bulls in pasture performance tests
- B. Fragomeni, D. C. B. Scalez, F. Toral, J. Bergmann, I. G. Pereira, P. T. D. Costa
- 1 August 2013
The objective of this study was to estimate (co)variance components for weight at 550 days, average daily gain and an index with both traits, and to compare alternatives for evaluation and ranking of… Expand
Genetic trends and trade-offs between growth and reproductive traits in a Nellore herd
- L. Abreu, V. Ribeiro, G. Gouveia, Eduardo Penteado Cardoso, F. Toral
- Biology, Medicine
- PloS one
- 16 August 2018
The knowledge of genetic trends and trade-offs between growth and reproductive traits might be useful to understand the evolution of these traits in livestock and natural populations of animals. We… Expand
Polynomials to model the growth of young bulls in performance tests.
- D. C. B. Scalez, B. Fragomeni, T. Passafaro, I. G. Pereira, F. Toral
- Medicine, Mathematics
- Animal : an international journal of animal…
- 1 March 2014
The use of polynomial functions to describe the average growth trajectory and covariance functions of Nellore and MA (21/32 Charolais+11/32 Nellore) young bulls in performance tests was studied. The… Expand
Genotype by environment interaction across time for Nile tilapia, from juvenile to finishing stages, reared in different production systems
Abstract Nile tilapia is one of the most important fish for aquaculture worldwide and it is produced under many different environmental and system conditions. Even though genotype by environment… Expand