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Akademický článek

Effect of selection for productive traits in broiler maternal lines on embryo development

Autor: Schmidt GS, Figueiredo EAP de, Ledur MC, Alves HJ

Publikováno v: Brazilian Journal of Poultry Science, Vol 5, Iss 2, Pp 125-129 (2003)

This study used 300 females and 30 males with 36 weeks of age from the selected PP and control PPc maternal broiler lines. PP has been selected for heavy body weight (PC) and high egg production for eight generations. Fertile eggs were collected and

Externí odkaz: https://doaj.org/article/093fecc6e51c4088bf0a66acc638bfb8

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Genetic gain for body weight, feed conversion and carcass traits in selected broiler strains

Autor: Schmidt,GS, Figueiredo,EAP, Ledur,MC

Publikováno v: Revista Brasileira de Ciência Avícola, Volume: 8, Issue: 1, Pages: 29-32, Published: MAR 2006
Brazilian Journal of Poultry Science v.8 n.1 2006
Brazilian Journal of Poultry Science
Fundação APINCO de Ciência e Tecnologia Avícolas (FACTA)
instacron:FACTA

The Brazilian Swine and Poultry Research Center (Embrapa Suínos e Aves) maintains a chicken breeding program for meat production since 1985. Two control lines (LLc and PPc) are maintained, whereas two male lines (TT and ZZ) and three female lines (P

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::8a027c2d28072ff13139ea91d7e70965
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2006000100004&lng=en&tlng=en

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Influence of feeding time on sexual maturity and carcass composition in female broiler breeders

Autor: Avila, VS de, Penz Jr., AM, Rosa, PS, Brum, PAR de, Guidoni, AL, Ledur, MC

Publikováno v: Brazilian Journal of Poultry Science v.5 n.3 2003
Brazilian Journal of Poultry Science
Fundação APINCO de Ciência e Tecnologia Avícolas (FACTA)
instacron:FACTA
Revista Brasileira de Ciência Avícola, Volume: 5, Issue: 3, Pages: 189-196, Published: DEC 2003

One thousand two hundred and ninety six Arbor Acres females and 144 males were used to study the influence of feeding time on sexual maturity and carcass composition. Treatments were: T1 = feeding at 6:30 am, T2 = 50% feeding at 6:30 am and 50% at 3:

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::69e89eb24b0ab3fae8112c591b06ecf9
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2003000300006

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Morphological genetic markers for selection of broiler lines

Autor: Schmidt, GS, Coutinho, LL, Figueiredo, EAP de, Ledur, MC, Alves, HJ

Two paternal broiler lines (LL and LLc, originated from the same stock in 1998) of Embrapa Suinos e Aves genetic program were used. Line LL had been selected for eight generations for rapid growth while LLc had been mated randomly, without selection,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::56795dc8c4979b0c068f7c9641b515db
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2003000300003

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Effect of selection for productive traits in broiler maternal lines on embryo development

Autor: Schmidt, GS, Figueiredo, EAP de, Ledur, MC, Alves, HJ

Publikováno v: Brazilian Journal of Poultry Science v.5 n.2 2003
Brazilian Journal of Poultry Science
Fundação APINCO de Ciência e Tecnologia Avícolas (FACTA)
instacron:FACTA
Revista Brasileira de Ciência Avícola, Volume: 5, Issue: 2, Pages: 125-129, Published: MAY 2003

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::f921e07eb51100aec8c9c12897d97d3b
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2003000200006

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Mathematical Model to Compare Egg Production C

Autor: Fialho, FB, Ledur, MC, Avila, VS

Publikováno v: Brazilian Journal of Poultry Science v.3 n.3 2001
Brazilian Journal of Poultry Science
Fundação APINCO de Ciência e Tecnologia Avícolas (FACTA)
instacron:FACTA
Revista Brasileira de Ciência Avícola, Volume: 3, Issue: 3, Pages: 211-217, Published: DEC 2001

A segmented polynomial model was used on several egg production curves in an attempt to analyze the differences between the curves in a more descriptive manner. Production curves from different commercial and experimental genetic lines of layers were

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::8a2c9df183f4c5869b0221a7b35736fb
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2001000300002

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