Identifying early indicator traits for sow longevity using a linear-threshold model in Thai Large White and Landrace females [PDF]
Objective The objective of the study was to investigate the possibility of utilizing an early litter size trait as an indirect selection trait for longevity and to estimate genetic parameters between sow stayability and litter size at different parities ...
Suppasit Plaengkaeo +2 more
doaj +1 more source
Estimation of quantitative genetic parameters [PDF]
This paper gives a short review of the development of genetic parameter estimation over the last 40 years. This shows the development of more statistically and computationally efficient methods that allow the fitting of more biologically appropriate models. Methods have evolved from direct methods based on covariances between relatives to methods based
Thompson, R. +2 more
openaire +2 more sources
Genetic parameters and genetic trends in the Chinese × European Tiameslan composite pig line. I. Genetic parameters [PDF]
Genetic parameters of body weight at 4 (W4w), 8 (W8w) and 22 (W22w) weeks of age, days from 20 to 100 kg (DT), average backfat thickness at 100 kg (ABT), teat number (TEAT), number of good teats (GTEAT), total number of piglets born (TNB), born alive (NBA) and weaned (NW) per litter, and birth to weaning survival rate (SURV) were estimated in the ...
Zhang, Siqing +4 more
openaire +5 more sources
Dynamic Parameter Encoding for Genetic Algorithms [PDF]
The common use of static binary place-value codes for real-valued parameters of the phenotype in Holland's genetic algorithm (GA) forces either the sacrifice of representational precision for efficiency of search or vice versa. Dynamic Parameter Encoding (DPE) is a mechanism that avoids this dilemma by using convergence statistics derived from the GA ...
Nicol N. Schraudolph, Richard K. Belew
openaire +2 more sources
A directed mutation operator for real coded genetic algorithms [PDF]
Copyright @ Springer-Verlag Berlin Heidelberg 2010.Developing directed mutation methods has been an interesting research topic to improve the performance of genetic algorithms (GAs) for function optimization. This paper introduces a directed mutation (DM)
Yang, S +8 more
core +5 more sources
Estimation of Heritability and Genetic Correlation of Quantitative Traits as a Basis for Selection Program of Indonesian Native Chickens [PDF]
Native chicken is a potential genetic source to produce new superior and productive strains. The genetic parameter information is needed as basis data for the selection program to improve the genetic quality of native chickens.
Suyatno Suyatno +4 more
doaj +1 more source
Multiobjective gas turbine engine controller design using genetic algorithms [PDF]
This paper describes the use of multiobjective genetic algorithms (MOGAs) in the design of a multivariable control system for a gas turbine engine. The mechanisms employed to facilitate multiobjective search with the genetic algorithm are described with ...
Fleming, P., Chipperfield, Andrew
core +1 more source
Approximate standard errors (ASE) of variance components for random regression coefficients are calculated from the average information matrix obtained in a residual maximum likelihood procedure.
Gilmour Arthur R +2 more
doaj +1 more source
A model checking approach to the parameter estimation of biochemical pathways [PDF]
Model checking has historically been an important tool to verify models of a wide variety of systems. Typically a model has to exhibit certain properties to be classed ‘acceptable’.
Donaldson, R +3 more
core +1 more source
Genetic parameter estimation for reproductive traits in QingYu pigs and comparison of carcass and meat quality traits to Berkshire×QingYu crossbred pigs [PDF]
Objective The QingYu pig is well known for its excellent meat quality attributes in Sichuan province, China. In order to improve its production efficiency, the determination of genetic factors contributing to quantifiable economic traits of livestock is ...
Jia Luo +13 more
doaj +1 more source

