Genotype Environment interactions for milk production traits in Holstein and crossbred Holstein-Zebu cattle populations estimated by a character state multibreed …
A Menéndez-Buxadera, A Palacios-Espinosa… - Livestock Science, 2016 - Elsevier
A total of 478,555 lactation records from 203,825 cows calving from January 1984 to
December 2003 were used to quantify the importance of the genotype-environment …
December 2003 were used to quantify the importance of the genotype-environment …
Effects of missing pedigree information on dairy cattle genetic evaluations
MA Nilforooshan, A Khazaeli… - Archives Animal …, 2008 - aab.copernicus.org
Estimating genetic merit of livestock closest to their true genetic merit is a preliminary goal in
animal breeding. The accuracy of genetic evaluations depends on the recording system and …
animal breeding. The accuracy of genetic evaluations depends on the recording system and …
Genetic analysis of semen from different origins and their impact on production traits: A single and multiple trait approach
This study aims to evaluate the genetics of imported semen and assess the genetic trend of
production traits in Holstein cows during their first lactation in Iran. The data was collected …
production traits in Holstein cows during their first lactation in Iran. The data was collected …
Epigenetics trend for some productive and reproductive traits of Friesian cattle raised in Egypt
SS Sanad, MG Gharib - Journal of Animal and Poultry Production, 2017 - journals.ekb.eg
The objectives of this study were to estimate the genetic parameters and Epigenetics
TREND (EP) of milk traits of herd of Friesian in Egypt. The studied traits were 305 day milk …
TREND (EP) of milk traits of herd of Friesian in Egypt. The studied traits were 305 day milk …
Fine-tuning of season definition for genetic analysis of fertility, productivity, and longevity traits in Iranian Holstein dairy cows
S Eghbalsaied, L Akasheh, M Honarvar… - Kuwait Journal of …, 2016 - journalskuwait.org
Fixed environmental effects have shown to affect random genetic and residual effects. In this
study, we evaluated various month merge classes as fixed environmental effecton …
study, we evaluated various month merge classes as fixed environmental effecton …
Genetic trends for production traits of Holstein cows resulted by imported semen in Fars province
A Kavosi, H Roshanfekr, M Mamouei… - Animal Sciences …, 2016 - asj.areeo.ac.ir
In this study, records of 305-d and first lactation production traits of 13601 Holstein cows
were used to estimate genetic parameters and genetic trends for production traits of Holstein …
were used to estimate genetic parameters and genetic trends for production traits of Holstein …
Estimation of the genetic and environmental trends for milk traits of Holstein herd
S Sanad, GM Gharib - Egyptian Journal of Agricultural Research, 2020 - journals.ekb.eg
The study is to evaluate the performance of the herd and assess the different effects (genetic
and non-genetic) on the production of this herd. Also, to improve the accuracy of genetic …
and non-genetic) on the production of this herd. Also, to improve the accuracy of genetic …
[PDF][PDF] Consequences of importing genetic materials considering genotype by environment interaction and replacement interval in dairy cattle.
A Haghdoost, MM Shariati, AA Shadparvar… - 2020 - journals.guilan.ac.ir
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[PDF][PDF] A comparison between different selection indexes for milk and udder health traits on Friesian cows in Egypt.
A total of 937 normal lactation records of Friesian cows, kept at Sakha Farm, belonging to
ministry of Agriculture, Dokki, Cairo Egypt during the period from 1999 to 2004 were used to …
ministry of Agriculture, Dokki, Cairo Egypt during the period from 1999 to 2004 were used to …