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Estimates of genetic parameters and cluster analyses for carcass and meat quality traits in birds PAB
Bainy,Adriane Molardi; Savegnago,Rodrigo Pelicioni; Freitas,Luara Afonso de; Nunes,Beatriz do Nascimento; Rosa,Jaqueline Oliveira; Ledur,Mônica Corrêa; Munari,Danísio Prado.
Abstract: The objective of this work was to estimate genetic parameters for bird carcass and meat quality traits, as well as to explore the genetic patterns of the breeding values of this population using cluster analyses. Data from 1,846 birds were used to estimate the genetic parameters of production and quality traits using the multiple-trait animal model, and cluster analyses were performed. The heritability estimates ranged from 0.08± 0.03 for meat pH measured 24 hours after slaughter to 0.85± 0.09 for body weight. The genetic correlations between production traits were high and positive. The genetic correlations between meat quality traits were low and were not informative due to the high standard errors (same magnitudes as those of the genetic...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Genetic correlation; Heritability; Meat color; White Leghorn.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2017000300205
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Experimental Salmonella Gallinarum infection in light laying hen lines BJM
Berchieri Júnior,Angelo; Oliveira,Gláucia Helaine de; Pinheiro,Lucas Augusto Soeiro; Barrow,Paul A..
Although the epidemiology of fowl typhoid in chickens supposedly involves a vertical transmission stage, a previous work run by the authors has suggested that this did not happen in a commercial line of laying hens highly susceptible to systemic disease with Salmonella Gallinarum. A new experiment was carried out in two other lines of commercial layers, considerably more resistant than those used in the previous study. Clinical fowl typhoid was not observed, but Salmonella Gallinarum was isolated from the spleen and liver four weeks after infection and, sporadically, from the ovary.
Tipo: Info:eu-repo/semantics/other Palavras-chave: Salmonella Gallinarum; White Leghorn; Infection; Laying hens.
Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822000000100012
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The use of artificial neural networks to explore the relationship between breeding values of egg production with other phenotypic measurements in hens of a white leghorn population. Repositório Alice
NASCIMENTO, G. B.; SAVEGNAGO, R. P.; URBINATI, I.; BERNARDES, P. A.; FERRAUDO, A. S.; SCHMIDT, G. S.; LEDUR, M. C.; MUNARI, D. P..
2012
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Produção de ovos; Galinha para postura; Produção animal; Linhagem; Animal breeding; Reproductive traits; Egg production; Chicken eggs; White Leghorn.
Ano: 2012 URL: http://www.alice.cnptia.embrapa.br/handle/doc/970522
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