Zobrazeno 1 - 10
of 64
pro vyhledávání: '"Abdol Ahad SHADPARVAR"'
Publikováno v:
Veterinary and Animal Science, Vol 25, Iss , Pp 100373- (2024)
Mating in animal communities must be managed in a way that assures the performance increase in the progenies without increasing the rate of inbreeding. It has currently become possible to identify millions of single nucleotide polymorphisms (SNPs), a
Externí odkaz:
https://doaj.org/article/f39832b8dc8d48fd8bc210530ad2245b
Publikováno v:
Poultry Science Journal, Vol 10, Iss 2, Pp 227-239 (2022)
This study aimed to perform a meta-analysis to combine genetic parameters for economically important traits of Iranian indigenous chickens. A data set of information related to different growth, reproduction, and egg quality traits including 336 heri
Externí odkaz:
https://doaj.org/article/79b76c539ce24f14b1fa8084ba9a8f0a
Publikováno v:
Revista Colombiana de Ciencias Pecuarias, Vol 32, Iss 2, Pp 81-89 (2019)
Background: Fertility and health traits, other than production traits, have a major role in the profitability of dairy cattle. Therefore, it seems necessary to include the afore mentioned traits in breeding programs. Hence, genetic parameters are nee
Externí odkaz:
https://doaj.org/article/56dc6b3c1eea4c88a8644d9dbccd7b0c
Publikováno v:
Frontiers in Genetics, Vol 12 (2021)
This study aimed to estimate heritabilities and genetic trends for different persistency measures for milk fat yield and their genetic correlations with 270-day milk yield in Iranian buffaloes. The records of test-day milk fat yield belonging to the
Externí odkaz:
https://doaj.org/article/bc64e0289799431680e5897360b23872
Publikováno v:
Journal of Applied Animal Research, Vol 46, Iss 1, Pp 1363-1369 (2018)
The objective of this study was to estimate genetic parameters for longevity and survival traits from birth to yearling in Moghani breed of sheep. The data set comprised of 4580 lamb survival records collected during 1994 to 2012 in the breeding stat
Externí odkaz:
https://doaj.org/article/7819fb4f3d5145b7887d59b83e375eb0
Publikováno v:
Revista Colombiana de Ciencias Pecuarias, Vol 30, Iss 2, Pp 126-137 (2017)
Background: dystocia is one of the most economically significant secondary traits in dairy cows and has adverse effects on the subsequent survival, health, and performance of mothers and offspring. Objective: the aim of this study was to estimate dir
Externí odkaz:
https://doaj.org/article/8bc1fd5852f54781b34e950a7e7c5f31
Publikováno v:
Italian Journal of Animal Science, Vol 15, Iss 3, Pp 379-385 (2016)
The aim of this study was to evaluate the effect of increasing accuracy of genomic selection, achieved by larger training set, on the economic efficiency of breeding programme in dairy cattle. A deterministic model compatible with the Iranian Holstei
Externí odkaz:
https://doaj.org/article/a014f02c250442dc8cdfa1ffa8ea4324
Publikováno v:
Pesquisa Agropecuária Brasileira, Vol 51, Iss 7, Pp 890-897 (2016)
Abstract: The objective of this work was to estimate covariance functions for additive genetic and permanent environmental effects, as well as to obtain genetic parameters for buffalo test-day milk yield using random regression models on Legendre pol
Externí odkaz:
https://doaj.org/article/5b2d2ee598e54afebc406a7136f093cd
Publikováno v:
Acta Agriculturae Slovenica, Vol 110, Iss 1 (2017)
The objective of this study was to investigate the effect of somatic cell score (SCS) on milk fat and protein in different parities and stages of lactation in Iranian Holstein cows. Records between June 2003 and January 2014 from 208,478 cows in lact
Externí odkaz:
https://doaj.org/article/a7372a5ab1d64759a40e87551ae0d387
Publikováno v:
پژوهشهای علوم دامی ایران, Vol 6, Iss 3, Pp 258-264 (2015)
The objective of the current study was to examine the extent of variation of genetic improvement in dam of dams genetic pathway after insemination of heifers with sex sorted semen. For this purpose three different sexed semen based strategies were ex
Externí odkaz:
https://doaj.org/article/b25664efe8234094a4ca95729e084a6f