[PDF] Top 20 Genetic evaluation using multi-trait and random regression models in Simmental beef cattle
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Genetic evaluation using multi-trait and random regression models in Simmental beef cattle
... nitude in both models. In MTM, the composed residual variances increased up to 365 days, when a slight decrease was observed until 450 ...new and more marked increase in these variances ... See full document
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Genetic evaluation of milk yield in Alpine goats for the first four lactations using random regression models
... producers, and convince them to begin the milk control activity at least for the first lactation, so they will be able to also have gains in the other ...However, in more technologically advanced ... See full document
9
Random regression models for the evaluation of the growth of goats of the Anglonubian breed
... problems, and one quadratic regression for all random effects would be a conservative and prudent choice in studies with cattle, as stated by Meyer ...adopted in ... See full document
9
MODELOS DE REGRESSÃO ALEATÓRIA PARA CARACTERÍSTICA DE CRESCIMENTO EM BOVINOS DA RAÇA GUZERÁ RANDOM REGRESSION MODELS FOR GROWTH TRAIT IN GUZERA CATTLE
... age) in Guzerá cattle, using random regression ...(male and female) born between 1993 and 2011 belonging to ten farms in seven Brazilian States were ...direct ... See full document
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MODELOS DE REGRESSÃO ALEATÓRIA PARA CARACTERÍSTICA DE CRESCIMENTO EM BOVINOS DA RAÇA GUZERÁ RANDOM REGRESSION MODELS FOR GROWTH TRAIT IN GUZERA CATTLE
... age) in Guzerá cattle, using random regression ...(male and female) born between 1993 and 2011 belonging to ten farms in seven Brazilian States were ...direct ... See full document
12
GENETIC PARAMETERS FOR POST WEANING GROWTH OF NELLORE CATTLE USING POLINOMYALS AND TRIGONOMETRIC FUNCTIONS IN RANDOM REGRESSION MODELS
... functions and random regression mod- els have been considered as an alternative for the ad- justment of data obtained in sequence from the same animal along time and which presents a ... See full document
7
Weight evaluation of Tabapuã cattle raised in northeastern Brazil using random-regression models
... MATERIAL AND METHODS The weight records of 3,172 Tabapuã cattle, aged from 0 to 660 days, and born between the years 1984 and 2004 were ...states in the Northeast of Brazil (Alagoas, ... See full document
8
Genetic evaluation for persistency of lactation in Holstein cows using a random regression model
... 1999) and no consensus has yet been ...arbitrary and do not unique character- ize persistency because such parameters are not invariant with respect to the time period chosen (Rekaya et ...(Sölkner ... See full document
7
Funções de covariâncias e modelos de regressão aleatória na avaliação genética do crescimento de bovinos jovens da raça TabapuãCovariance functions and random regression models for genetic evaluation of young Tabapuã beef cattle
... Tabapuã beef cattle born from 1975 to 1997 and raised under Brazilian pasture conditions was used to evaluate the application of random regression models ...additive ... See full document
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Analyses of sequential weights of Nellore cattle using multiple trait and random regression modelsAnálises de pesos seqüenciais de gado Nelore usando modelos de características múltiplas e regressões aleatórias
... used in the process of sire evaluation, and it corresponds to a prediction of the value of the genes of individual that can be transmitted to the following generation, if the animal is selected for ... See full document
152
Use of molecular markers to improve relationship information in the genetic evaluation of beef cattle tick resistance under pedigree-based models
... genotype, and one of the parents has a contrasting homozygous ...rejected, and an alternative parent was sought among the genotyped of the appropriate sex in the ...applied in the original ... See full document
13
Bayesian analysis of autoregressive panel data model: application in genetic evaluation of beef cattle
... columns in Tables 1, 2 and 3 indicate that all chains give very similar ...values, and 80% for model 2 (Table 4). Thus, the joint evaluation of the two models pro- duced an efficiency ... See full document
9
Utilização de modelos de regressão aleatória na avaliação genética de animais da raça GirolandoGenetic evaluation of Girolando animals using random regression models
... 1989 and 2002, by the Girolando Brazilian Association milk recording service were used to estimate covariance components and genetic ...different genetic compositions: 1/2 Holstein:Gir, 5/8 ... See full document
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Censored and multi-trait Bayesian models for genetic evaluation of milk, weight and reproductive traits in Guzerá cattle in tropical conditionsModelos Bayesianos censurados e multicaracterística para avaliação genética de características de leite, peso e reprodutivas em bovinos Guzerá em condições tropicais
... increase genetic variation (Peixoto et al., 2006). In a previous study, Peixoto et ...(MY305) and weight traits (weaning and post-yearling weight - PYW) for the same breed using ... See full document
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APPLICATION OF RANDOM REGRESSION MODELS FOR GROWTH TRAITS OF NELLORE CATTLE IN BRAZIL
... increase in the production of beef cattle by genetic improvement has been achieved by selection, crossbreed and combination of both (BUENO et ...The genetic evaluation ... See full document
10
Combining different functions to describe milk, fat and protein yield in goats using bayesian multiple- trait random regression models
... parameterized models were best to describe the data. Thus, the improvement in the quality of the fit compensated the increased in the models ...Leg5 and Ali were adequate, respectively, ... See full document
63
Evaluation of alternative schemes for recording body weights in meat-type quails by using random regression.
... Random regression models have been suggested with the aim of facilitating these estimates, to summarize all of the estimates of animal growth parameters as a function of covariance for their ... See full document
7
Genetic evaluation studies in Tabapuã cattle breed using random regression models-Review
... increase in recent discussions among geneticists of beef cattle is the better way to improve the accuracy of the existing genetic evaluations (Spiedel et ...current genetic ... See full document
7
The influence of animals from embryo transfer on the genetic evaluation of growth in Simmental beef cattle by using multi-trait models
... sires and 7,332 dams) and MTM2 consisted of 62,895 records from 23,160 animals (the progeny of 1,558 sires and 9,699 ...1 and 2 summarize the de- scriptive statistics of files MTM1 and ... See full document
7
Breeding value accuracy estimates for growth traits using random regression and multi-trait models in Nelore cattle
... growth and mature size have increased over the years as a result of se- lection for growth traits at early ages (Mercadante et ...2003) and, as a consequence, also cow mature size (Silva et ...of ... See full document
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