Zobrazeno 1 - 10
of 76
pro vyhledávání: '"H Farhangfar"'
Publikováno v:
پژوهشهای علوم دامی ایران, Vol 3, Iss 3 (2012)
To estimate heritability and genetic trend for 305-d milk production and lactation persistency, a total of 130,668 monthly test day milk yields belonging to 15,183 first lactation Holstein cows in 131 herds and calved from 2000 to 2009 were used. To
Externí odkaz:
https://doaj.org/article/11c85d3ed7ec4ffeb85e3155034fefbe
Publikováno v:
پژوهشهای علوم دامی ایران, Vol 3, Iss 3 (2012)
In this study a total of 171,360 monthly test day milk records obtained from first lactation of Iranian Holstein cattle (three times a day milking) distributed in 96 herds and calved from 1999 to 2008 were used to estimate genetic parameters and to p
Externí odkaz:
https://doaj.org/article/df12f166025a481d95d4c54865ef8fb2
Publikováno v:
پژوهشهای علوم دامی ایران, Vol 3, Iss 2 (2012)
In this study, a total of 101,147 monthly test day records of somatic cell count collected from 13,977 first lactation Holstein cows (in 183 herds) calved between 2002 and 2006 were used. For the genetic analysis, a random regression test day model w
Externí odkaz:
https://doaj.org/article/ed7f05fdefa940beab9332b5c91f9076
Publikováno v:
پژوهشهای علوم دامی ایران, Vol 3, Iss 1 (2011)
The Fixed Regression Test-Day Model (FRM) and Random Regression Test-Day Model (RRM) for genetic evaluation of milk yield trait of dairy cattle in Khorasan Razavi province were studied. Breeding values and genetic parameters of milk yield trait from
Externí odkaz:
https://doaj.org/article/1c6ba9b6acb541ee8b346e03240aa89b
Publikováno v:
Tulīd va Farāvarī-i Maḥṣūlāt-i Zirā̒ī va Bāghī, Vol 12, Iss 43, Pp 533-543 (2008)
This study was undertaken to estimate genetic trend and parameters of Holstein cattle in Khorasan province for milk yield using a spline random regression test day animal model. A total of 32854 monthly test day milk records (twice and thrice a day m
Externí odkaz:
https://doaj.org/article/f0bdf1c42af4496ba3983cf6c557a4ca
Publikováno v:
Tulīd va Farāvarī-i Maḥṣūlāt-i Zirā̒ī va Bāghī, Vol 12, Iss 43, Pp 425-434 (2008)
A total of 1256 records associated with body weight and Cashmere at different ages (birth and 3 and 9 months) obtained from 754 Cashmere goats were used to estimate the genetic parameters in southern Khorasan province during 2000- 2003. A set of univ
Externí odkaz:
https://doaj.org/article/93a7a8043abe46b483dcbf5fc3ebcf9b
Akademický článek
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Publikováno v:
Pakistan Journal of Biological Sciences. 10:2407-2412
A random regression model was applied to estimate (co) variances, heritabilities and additive genetic correlations among average daily gains. The data was a total of 10876 records belonging to 1828 lambs (progenies of 123 sires and 743 dams) born bet
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::df7dea2a6c450e0ae1ae606defd971af
https://doi.org/10.3923/pjbs.2007.2407.2412
https://doi.org/10.3923/pjbs.2007.2407.2412
Publikováno v:
European Poultry Science (EPS). 79
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4068683fe34a7fbba364caad8bc0008f
https://doi.org/10.1399/eps.2015.86
https://doi.org/10.1399/eps.2015.86
Autor:
H. Farhangfar ., P. Rowlinson .
Publikováno v:
Journal of Biological Sciences. 7:127-135
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3f015505fbf63cef3438b9964893ce21
https://doi.org/10.3923/jbs.2007.127.135
https://doi.org/10.3923/jbs.2007.127.135