237 resultados para TEMPERAMENT


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The aims of the present study were to propose a PCR-RFLP genotyping method for the AJ_315378:c.110A>G and AB_264325:c. 771G>C SNPs in the equine CRISP1 and HTR1A genes, respectively, as well as to characterize these and another polymorphism, AB_098561:c.1470G>A of the SLC6A4 gene, in order to provide a basis for future studies investigating the association between DNA markers and traits of interest in this breed. For this, 151 Mangalarga horses of both sexes, representatives of the population of the Sate of São Paulo, Brazil, were used. PCR-RFLP was found to be adequate for the genotyping of the SNPs AJ_315378: c.110A>G of the CRISP1 and AB_264325:c.771G>C of the HTR1A. However, the polymorphism of the CRISP1 probably does not occur in Mangalarga horses, a fact impairing association studies of this marker with traits related to male fertility. The estimative of the population genetic parameters obtained for the polymorphisms AB_264325:c.771G>C of the HTR1A and AB_098561:c.1470G> A of the SLC6A4 in the studied sample discourage the conduct of research addressed the association between markers and traits related to temperament.

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O estudo das pressões arteriais sistólica, média, diastólica e da frequência cardíaca, pelo método indireto oscilométrico (petmap®), foi realizado em 150 cães atendidos pelo Serviço de Clínica Médica de Pequenos Animais da FMVZ - Unesp/Botucatu. Investigou-se a influência de fatores como presença do proprietário, estado de saúde, diagnóstico de doença renal, raça, idade, sexo, decúbito, contenção, fluidoterapia, condição corpórea, temperamento, atividade física, dieta e atitude associados ou não à elevação da pressão arterial. Dos 150 cães, 34% encontravam-se sob a categoria de risco mínimo para o desenvolvimento de lesões hipertensivas, 14,6% com hipertensão branda, 22,6% com hipertensão moderada e 28,66%, com hipertensão grave. Houve influência, dos fatores analisados, na elevação da pressão arterial de acordo com a categoria de risco.

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Este estudo baseia-se na Abordagem Bioecológica de Bronfenbrenner. O objetivo foi verificar o julgamento de mães e educadoras de berçário sobre os fatores que causam ou influenciam o temperamento e o desempenho de bebês. Foram entrevistadas 50 mães que tinham filho de 4 a 24 meses em uma creche vinculada a um HC e 21 de suas educadoras (responsáveis por 90 bebês, nas fixas etárias mencionadas). As questões feitas às mães incluíam falar da rotina diária do filho, quais as competências dele e como interpretavam seu temperamento e desempenho. Para as educadoras, os temas foram os mesmos, pedindo-se para descreverem como viam cada um dos bebês sob sua responsabilidade. Os resultados mostram pouca diferença nas crenças das mães e das educadoras, sendo que a maioria apresenta crenças ambientalistas, tanto no que diz respeito ao temperamento quanto ao desempenho do bebê; e as pessoas que mais exerceriam influência seriam os pais.

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Dairy cows often have to choose which of two sides to enter in the milking parlour. Some cows are very consistent in this choicė, and it is common to assume that when these cows are more disturbed are being milked in their non-preferred side. Such disturbance might involve significantly poor welfare. In order to assess this assumption, we decided to study the behaviour and milk yield of dairy cows and their relationships with side preference in the milking parlour. The study was carried out at Cambridge University Farm, in a two-sided tandem milking parlour. The data collection followed the daily management routine. We recorded the side chosen by each cow (left or right) during 40 milking sessions. Data from 70 cows, which were present in at least 25 milking sessions (mode = 36), were included in the statistical analysis. Cows' reactivity (CR) during premilking udder preparation, time spent fitting the milking cluster (FT), milk yield (MY) and duration of milking (DM) were measured. There was evident individual variation in the consistency of side choice. Individual differences (ANOVA, P < 0.001) were also found in CR, FT, MY and DM; although these variables were not significantly affected by the side or the interaction animal × side (ANOVA, P < 0.05). The comparison between left and right side means (paired t-test) of these variables did not show significant differences (P < 0.05). We concluded that there is no evidence that the cows were discomforted or stressed when milked in the non-preferred side of the milking parlour. © 2001 Elsevier Science B.V.

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Child temperament has been studied in various researches and may be useful to predict how a child responds to dental treatment, especially very young children. The purpose of the present longitudinal study was to evaluate the behavioral manifestation of children aged 0 to 3 years, considering different types of dental situation. A total of 169 children were selected and the following data were collected: the age of the child, gender, age of the mother, number of dental visits and their respective dates, stimuli offered to the child, and behavioral response to these stimuli. The children and their respective behaviors were divided into five groups according to the dental situation offered: control, missed visits, fluoride varnish, restoration, and dental trauma. The data were submitted to descriptive and inferential analysis using the chi-square test, with the level of significance set at 5%. Analysis of the different situation offered to infants during routine dental care revealed a predominance of collaborating and partially collaborating behavior, and age at the time of dental care influenced the behavior of the infants, irrespective of the stimulus group. The different types of dental situation provoked changes in the behavioral response of the children of certain age groups, especially in the dental trauma group.

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The present work had as objective to evaluate the effects of the introduction of the maternal lineage (Lc), representing the mitochondrial inheritance, in the model of genetic evaluation on birth weight (BW), weight for 120 days (W120), weaning weight (WW), weight at 12 month (W12), weight at 18 month (W18), weight gain from weaning to 18 month (WG18), scrotal perimeter (SP) and temperament (TEMP) of a Brazilian Nelore herd. Two models had been used for raise a comparison among of estimates the (co)variances components and genetic parameter, been the first equal one to currently used in the genetic evaluations of this herd, and second included the random effect of maternal lineage. Amongst the analyzed characteristics, the maternal lineage effect was significant (P<0.05) for W18 and SP only it, where this effect was responsible for 3% and 7%, respectively, of phenotypic variance could be explained by Lc effect. For besides characteristics, however not significant, this effect was responsible for 1% and 9% of phenotypic variance.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Zootecnia - FCAV

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Genética e Melhoramento Animal - FCAV