Comparison of two singles-and multiple trait random regression models in estimation of genetic parameters of production traits in holstein dairy cattle
S Alijani - Research on Animal Production, 2015 - rap.sanru.ac.ir
In this research test-day records of milk, fat and protein yields of first lactation of 11368
Holstein cows were used to comparison of estimated genetic parameters by restricted …
Holstein cows were used to comparison of estimated genetic parameters by restricted …
Determination of the number of test day records is required to replace lactation model with random regression model?
R Abdollahi Arpanahi, M Razkabir… - Iranian Journal of …, 2017 - ijas.ut.ac.ir
With development of mixed models, lactation model (LM) was replaced with random
regression model (RRM). However, the minimum number of required test day (TD) records …
regression model (RRM). However, the minimum number of required test day (TD) records …
Genetic study of somatic cell score using random regression test day model in dairy cattle of Iran
M Razmkabir, K Kheirabadi - Iranian Journal of animal Science, 2015 - ijas.ut.ac.ir
Genetic parameters were estimated for somatic cell score (SCS) in dairy cattle of Iran using
test day records. The records of first lactation were extracted from the database of National …
test day records. The records of first lactation were extracted from the database of National …
[PDF][PDF] یهدریش ۀرود
LM هب تبسن - Iranian Journal of Animal Science, 2017 - sid.ir
With development of mixed models, lactation model (LM) was replaced with random
regression model (RRM). However, the minimum number of required test day (TD) records …
regression model (RRM). However, the minimum number of required test day (TD) records …
[PDF][PDF] Comparison of conventional bayesian and approximate bayesian approaches in estimation of variance components using animal models
F Hosseini, O Karimi, N Javaheri - Iranian Journal of animal Science, 2016 - ijas.ut.ac.ir
Animal models are used to model the observations of animal performance that are
genetically dependent. These models are considered as generalized linear mixed models …
genetically dependent. These models are considered as generalized linear mixed models …
[PDF][PDF] مقايسه دو مدل رگرسيون تصادفي تک صفتي و چند صفتي در برآورد پارامترهاي ژنتيکي صفات توليدي در گاوهاي شيري هلشتاين
خيرآبادي خبات, عليجاني صادق - sid.ir
در اين تحقيق از رکوردهاي روزآزمون مقدار شير، چربي و پروتئين مربوط به دوره اول شيردهي 11368
راس گاو هلشتاين به منظور مقايسه پارامترهاي ژنتيکي برآورد شده با استفاده از روش حداکثر …
راس گاو هلشتاين به منظور مقايسه پارامترهاي ژنتيکي برآورد شده با استفاده از روش حداکثر …