Zobrazeno 1 - 10
of 28
pro vyhledávání: '"GS Schmidt"'
Autor:
GS Schmidt, EAP Figueiredo
Publikováno v:
Brazilian Journal of Poultry Science, Vol 11, Iss 1, Pp 17-20 (2009)
This experiment aimed at evaluating the effect of genetic selection on embryo development of two male broiler lines (LL and LLc). LL line was selected for eight generations for growth, carcass, and reproduction traits. The LLc line was derived from L
Externí odkaz:
https://doaj.org/article/89865bea871f497a9769e6865e37983d
Publikováno v:
Brazilian Journal of Poultry Science, Vol 11, Iss 1, Pp 1-5 (2009)
A total number of 300 females and 30 males of two experimental broiler lines, TT (male) and PP (female), with 39 and 36 weeks of age, respectively. Experiment 1 (TT) evaluated the effect of storage time (ST) on hatchability and embryo mortality (EM).
Externí odkaz:
https://doaj.org/article/3a8c020d9a784dd981e6f9f55c2a733d
Autor:
GS Schmidt
Publikováno v:
Brazilian Journal of Poultry Science, Vol 10, Iss 3, Pp 149-152 (2008)
This study included 35 farmers contracted by a broiler integrator company. Each farmer owned an average of seven poultry houses, housing six flocks per year per farmer, summing up 4.0 million broilers housed. Live performance was evaluated in flocks
Externí odkaz:
https://doaj.org/article/76173ca7e1834ae88148aa6305dd80bc
Publikováno v:
Brazilian Journal of Poultry Science, Vol 8, Iss 1, Pp 29-32 (2006)
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://doaj.org/article/18828f1541934478b00eb452ee6985be
Autor:
GS Schmidt, EAP Figueiredo
Publikováno v:
Brazilian Journal of Poultry Science, Vol 7, Iss 4, Pp 231-235 (2005)
The objective of this study was to report the response to selection for fertility and hatchability in white egg layers strains, based on sire and dam performance, and the effects of inbreeding on these traits. Two selected white egg strains (CC and D
Externí odkaz:
https://doaj.org/article/8387a24fa6b04c6e82b49028b8297236
Publikováno v:
Brazilian Journal of Poultry Science, Vol 5, Iss 3, Pp 175-178 (2003)
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://doaj.org/article/fb2e8e22f28d4f2db7343897af402667
Publikováno v:
Brazilian Journal of Poultry Science, Vol 5, Iss 2, Pp 119-123 (2003)
The objective of this study was to evaluate the effect of selection for body weight on the genetic variability and diversity in broiler lines. Two paternal broiler lines (LL and LLc) were used. LL line was selected for 12 generations for growth and c
Externí odkaz:
https://doaj.org/article/2d667d2940fe418b9f680b724a4cafa2
Autor:
GS Schmidt
Publikováno v:
Brazilian Journal of Poultry Science, Vol 10, Iss 4, Pp 223-225 (2008)
In the present study, 35 farmers contracted by an integration company were selected. Each farmer owned an average of seven poultry houses, and housed six flocks per year, with a total of 4.0 million housed broilers. Birds were grouped into 5 market a
Externí odkaz:
https://doaj.org/article/dd6122447afb4ada8c57c054d9700938
Publikováno v:
Brazilian Journal of Poultry Science, Vol 11, Iss 1, Pp 17-20 (2009)
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
Publikováno v:
Brazilian Journal of Poultry Science, Vol 11, Iss 1, Pp 1-5 (2009)
A total number of 300 females and 30 males of two experimental broiler lines, TT (male) and PP (female), with 39 and 36 weeks of age, respectively. Experiment 1 (TT) evaluated the effect of storage time (ST) on hatchability and embryo mortality (EM).