DOI: 10.11606/t.11.2004.tde-13012005-160300
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Componentes de (co)variância e parâmetros genéticos para caracteristicas de crescimento de bovinos da raça Guzerá usando diferentes estratégias de análise.

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Cited by 3 publications
(5 citation statements)
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“…Thus, heritabilities estimated using a heterogeneous residual variance model were superior to those obtained using a homogeneous residual variance model. Similar results have been reported previously (SILVA, 2004;BOLIGON, 2008). The estimates of direct, maternal, and total heritabilities along the growth curve differed according to the residual variance structure adopted (Figure 4).…”
Section: Resultssupporting
confidence: 93%
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“…Thus, heritabilities estimated using a heterogeneous residual variance model were superior to those obtained using a homogeneous residual variance model. Similar results have been reported previously (SILVA, 2004;BOLIGON, 2008). The estimates of direct, maternal, and total heritabilities along the growth curve differed according to the residual variance structure adopted (Figure 4).…”
Section: Resultssupporting
confidence: 93%
“…Thus, heritabilities estimated using a heterogeneous residual variance model were superior to those obtained using a homogeneous residual variance model. Similar results have been reported previously (SILVA, 2004;BOLIGON, 2008). The direct heritability values obtained in the study suggest the presence of sufficient genetic variability to enable rapid genetic progress in response to selection, from weaning (at 210 days of age) onward, as these values remained high thereafter.…”
Section: Resultssupporting
confidence: 93%
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“…A herdabilidade para o PN foi de 0,32 ou 32%, o que está de acordo com os resultados encontrados na literatura, como os reportados por Boligon et al (2004), que obtiveram herdabilidade de 0,33 em animais da raça Charolês no Rio Grande do Sul, valor semelhante ao encontrado por Laureano et al (2004), que obtiveram 0,30 em bovinos Nelore, e superior ao obtido por Cardoso (1999) e Silva et al (2004), de 0,29 e 0,13, respectivamente, para animais Angus e Guzerá. Martins et al (2000) encontraram herdabilidade bastante alta, de 0,59 para PN de bovinos Nelore no Maranhão, corroborando os resultados descritos por Fernandes et al (2002), que obtiveram herdabilidade de 0,54 para PN do rebanho Charolês no Rio Grande do Sul.…”
Section: Resultsunclassified
“…Na maioria, foram utilizados pesos em idade adulta ou pós-desmama (Meyer, 1998a(Meyer, , 1998c(Meyer, , 1999(Meyer, , 2000. No Brasil, funções de co-variância foram estimadas para pesos na fase de crescimento para bovinos das raças Nelore (Albuquerque & Meyer, 2001a;Nobre et al, 2003), Tabapuã (Sakaguti et al, 2003;Dias et al, 2006) e Guzerá (Scarpel, 2004;Silva, 2004).…”
Section: Introductionunclassified