2004
DOI: 10.1590/s1516-35982004000600018
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Efeito da densidade populacional sobre desempenho, rendimento de carcaça e qualidade da carne em frangos de corte de diferentes linhagens comerciais

Abstract: RESUMO -O trabalho foi realizado objetivando-se avaliar o efeito da densidade populacional e da linhagem sobre as características de desempenho, o rendimento de carcaça e a qualidade da carne de peito (perda de peso por cozimento, força de cizalhamento e pH) em frangos de corte. Foram utilizados 2.925 pintos de um dia, sexados, distribuídos em um delineamento experimental inteiramente casualizado, em fatorial 3x3x2, sendo três linhagens (Ross 308, Cobb 500 e Hybro PG), três densidades (10, 13 e 16 aves/m 2 ) e… Show more

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Cited by 33 publications
(34 citation statements)
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“…Rearing density had no effect on weight gain. Moreira et al (2004) obtained higher DWG in broilers housed at higher densities, but other studies reported no effect (Ravindran et al, 2006) or negative effects (Dozier et al, 2005a) on increasing rearing densities.…”
Section: Resultsmentioning
confidence: 80%
See 1 more Smart Citation
“…Rearing density had no effect on weight gain. Moreira et al (2004) obtained higher DWG in broilers housed at higher densities, but other studies reported no effect (Ravindran et al, 2006) or negative effects (Dozier et al, 2005a) on increasing rearing densities.…”
Section: Resultsmentioning
confidence: 80%
“…In addition, Oliveira et al (2005) and Buijs et al (2009) did not observe any effect of rearing density on that parameter either. On the other hand, Moreira et al (2004), evaluating three housing densities (10, 13, or 16 broilers/m 2 ), observed significant reduction in weight gain in birds housed at 10 and 16 birds/ m 2 . Mortari et al (2002) also reported reduced body weight as rearing density increased, and Thomas et al (2004), Dozier et al (2005a) *significant at 5%; **significant at 1%; means followed by different lowercase letters within a column are statistically different; means followed by different uppercase letters within a row are statistically different.…”
Section: Resultsmentioning
confidence: 91%
“…These authors reports that the conditions to which animals are submitted on the day of slaughter can affect the parameters of meat quality because stress can trigger a rapid drop in pH. Sex affected the majority of the meat quality variables studied (P<0.01), a finding that is in contrast to that of MOREIRA et al (2004), who state that the sex of the chicken does not affect meat quality. The physical type of feed in the models had no effect on the evaluated traits (P>0.05).…”
Section: Resultsmentioning
confidence: 94%
“…(CAROLINO et al, 2014;SILVA et al, 2014SILVA et al, , 2015. Trabalhos comprovam que a linhagem utilizada pode afetar o consumo de ração (STRINGHINI et al, 2003;MOREIRA et al, 2004 (SILVA et al, 2015).…”
Section: Classeunclassified
“…Pesquisas mostraram a presença de Brevibacterium e Brachybacterium em conteúdo fecal, cama e carcaça de frangos de corte (OAKLEY et al, 2014). Um aumento no nível do gênero Dietzia foi observado no íleo de aves alimentadas com probióticos (NAKPHAICHIT et al, 2011).…”
Section: Membros Da Família Staphylococcaceae E Ordem Bacillales Os unclassified