Volume 53 (2022)
Volume 52 (2021)
Volume 51 (2020)
Volume 50 (2019)
Volume 49 (2018)
Volume 48 (2017)
Volume 47 (2016)
Volume 46 (2015)
Volume 45 (2014)
Volume 44 (2013)
Volume 43 (2012)
Volume 42 (2011)
Volume 41 (2010)
Volume 40 (2009)
Volume 39 (2009)
A Study of Polymorphism in Exon 6 of Calpastatin Gene through PCR- SSCP Method and Its Association with Carcass Traits in Lori-Bakhtiari and Zel-Atabay Sheep


Volume 44, Issue 2 , August 2013, , Pages 121-130


  Calpastatin has been introduced as an effective candidate gene as regards growth efficiency and meat quality traits. Throughout the present study, blood sampling as well as carcass trait measurements were performed on 74 Lori-Bakhtiari sheep and on 40 Zel-Atabay cross-breds from industrial slaughterhouses ...  Read More

A Study of the Relationship between TLR4 Gene and Clinical Mastitis in Holstein Dairy Cows in Iran


Volume 44, Issue 2 , August 2013, , Pages 141-148


  The Toll-like Receptor 4 (TLR4) is an innate immune protein on cell surfaces that identifies Lipopolysaccharide (LPS) of gram-negative bacteria. Genetic markers associated with innate responses during mastitis could help in selection of cattle to improve disease resistance. The objective of this study ...  Read More

Economic Aspects of Mature Body Weight and Age at First Calving in Holstein Dairy Cattle of Iran

ali sadeghi; mohamad moradi shahre babak; ardashir nejati javaremi; seyed reza mirayi ashtiani; piter arimer; temti jan bern; mahdi taghi nejad

Volume 43, Issue 2 , September 2012, , Pages 269-278


  The aim followed in the present study was to investigate the economic aspects of , and to derive Economic Weights (EWs) for Mature Body Weight (MBW) as well as for age at First Calving (AFC) in Holstein dairy cattle of Iran. Economic values (EVs) for traits were estimated using trait-by-trait bio-economic ...  Read More

A Phenotypic and Genetic Study of Production Traits of Iranian Buffalloes

karim hasan poor; mohammad moradi shahre babak; mostafa sadeghi; davood kianzad

Volume 43, Issue 2 , September 2012, , Pages 279-286


  To study the effects of environmental factors on milk and fat yields (240day) traits of Iranian buffaloes, 22596 and 22165 records were utilized for milk and fat yield traits, respectively. Uni and bivariate analysis for estimation of (co)variation components of the traits were done in five lactations. ...  Read More

Use Of Principal Components Analysis to Prediction Fat-tail Weight Trait in Lori-Bakhtiari Sheep

mohammadreza bakhtiarizade; mohammad moradi shahre babak; hossein moradi; mahmood vatankhah

Volume 43, Issue 1 , June 2012, , Pages 103-111


  The relationship between live body weight, body length, girth circumference, animal hight, upper, middle as well as lower width of fat-tail, fat-tail length, fat-tail gap length, fat-tail depth and fat-tail circumference along with fat-tail weight were determined using records of 731 Loribakhtiari sheep. ...  Read More

Genetic Porlymorphism of Hemoglobin, Transferrin and Ablumin and an investigation of their Relationship with Some Productive Traits in Kermani Sheep, Iran

zakaria ghadiri; mohammad moradi; hossein moradi; ghodratollah rahimi

Volume 43, Issue 1 , June 2012, , Pages 131-139


  Data on 300 Kermani sheep from Kermani Breeding Center of Shahrbabak were utilized in the present research. Horizontal polyacryle amide electrophoresis was employed to detect polymorphism of Transferrin and Albumin, while Acetate cellulose being utilized for Hemoglobin. Three genotypes of Hemoglobin ...  Read More

Estimation of Economic Values and Financial Losses Associated with Dystocia for Holstein Dairy Cattle of Iran

Ali Sadeghi-Sefidmazgi; Mohammad Moradi Shahrbabak; Ardeshir Nejati Javaremi; Seyed Reza Miraei Ashtiyani; P. R. Eymer

Volume 42, Issue 4 , March 2012, , Pages 345-353

  The financial losses, absolute and net economic values (EVs) for direct (DCD) and Maternal Calving Difficulty (MCD) were estimated using a bioeconomic model and taking into account the categorical nature of the trait. The effects of dystocia on other traits were estimated. But because of low reliability ...  Read More

Estimation of Genetic Parameters for Test Day Records of Milk Yield in Holstein Dairy cattle of Iran

Mohammad Razmkabir; Mohammad Moradi Shahrbabak; Abbas Pakdel; Ardeshir Nejati Javaremi

Volume 42, Issue 2 , October 2011, , Pages 171-178

  Test day records of first lactation Holstein cows from 1996 to 2008 were obtained from Animal Breeding Center of Iran and used in this research. Data consisted of 872125 test-day milk records of 95816 cows from 59 herds. (Co)Variance components and genetic parameters were estimated using random regression ...  Read More

Effect of Inbreeding on Genetic Parameters and Breeding Values for Production and Reproduction Traits in Holstein Cattle of Iran

Mohammad Rokouei; Rasoul Vaez torshizi; Mohammad Moradi shahr babak; Mahdi Sargolzaei; Anders Sorencen

Volume 42, Issue 1 , July 2011, , Pages 1-10

  Effects of inbreeding coefficient on estimates of genetic parameters, breeding values and genetic trends for production traits (milk, fat and protein yields), reproduction traits (age at the first calving, interval between first insemination to conception, calving interval, interval between calving to ...  Read More

The Effect of Divergent Selection for 4-wk Body Weight on Growth Curve Parameters and Carcass Components in Japanese Quail (Coturnix coturnix japonica)

Hamid Beygi; Abbas Pakdel; Mohammad Moradi shahr babak

Volume 42, Issue 1 , July 2011, , Pages 39-45

  This study has been carried out to investigate the effect of short-term divergent selection for 4-wk body weight on growth curve parameters and carcass components in Japanese quail. Quail lines utilized were two divergently selected for high (HW) and low (LW) 4-wk body weight (BW) as well as a line as ...  Read More

An Estimation of the Response to Selection, and Realized Heritability for Four and Five Weeks of Age Body Weight in Japanese Quail

Homa Arabi; Mohammad Moradi Shahrbabak; Ardeshir Nejati Javaromi

Volume 41, Issue 4 , March 2011, , Pages 373-380

  In the present research, divergent selection for Japanese quail body weight at four and five weeks of age was performed in five generations to estimate the response to selection and realized heritability. The average body weight was significantly (p  Read More

An Estimation of Discounted Genetic Expressions of Dairy Traits in Iranian Holstein Herds

Ali Sadeghi Sefidmazgi; Ardeshir Nejati-Javaremi; Mohammad Moradi-Shahrbabak; Seyed Reza Miraei Ashtiani; Peter R AYMER

Volume 42, Issue 3 , January 2011, , Pages 189-197

  The objective of this study was to assess the Discounted Genetic Expressions (DGEs) for different categories of animal traits as regards Holstein cattle of Iran. Using discounted gene-flow principles, DGEs per calf born were estimated for self replacing females and also for their sires. In the situation ...  Read More

Economic Values of Reproduction, Growth and Carcass Composition Traits in Lori-Bakhtiari Sheep

MohammadAli Talebi; Seyed Reza Miraei Ashtiani; Mohammad Moradi Shahrbabak; Ardeshir Nejati Javaromi

Volume 41, Issue 3 , December 2010, , Pages 203-210

  In this study, production, reproduction, managerial, and economic parameters obtained from data recorded for Lori-Bakhtiari flock of sheep (500 heads of breeding ewe) stationed at the sheep's Breeding Station, were employed to determine the relative economic values of and breeding objectives for an annual ...  Read More

Age Distribution and Generation Interval Corresponding to Four Selection Pathways of Holstein Cattle in Iran

Saherreh Jowzi Shekalgoorani; AbdolAhad Shadparvar; Rasoul VaezTorshizi; Mohammad Moradi Shahrbabak

Volume 41, Issue 3 , December 2010, , Pages 223-229

  Average age distribution and generation interval were investigated in four different selection pathways. i.e., Sire of future Sires (SS), Sire of future Dams (SD), Dam of future Sires (DS) and Dam of future Dams (DD). Young Bulls pathway (YB) is also considered as a path that affects the generation interval ...  Read More

Effects of Different Levels of Sucrose and Starch in Total Mixed Rations on Rumen Fermentation, Nitrogen Metabolism and Performance of Holstein Dairy Cows

Amin Khezri; Kamran Reza Yazdi; Mohsen Danesh Mesgaran; Mohamad Moradi Shahr Babak; MohamadReza Mohamad Abadi

Volume 41, Issue 2 , September 2010

  To examine the effects of different sources of Rumen-Degradable Carbohydrates on rumen fermentation, nitrogen metabolism and performance of Holstein dairy cows, four lactating Holstein cows fitted with rumen cannulae in a 4×4 Latin Square with four diets and four 28 day periods each, were employed. ...  Read More

An Estimation of Genetic Trend for Production Traits and a Determination of the Impact of Some Factors on it in Iranian Holstein Cattle

Mohamad Saheb Honar; Mohamad Moradi Shahr Babak; Seyed Reza Miraei Ashtiani; Mohamad Bagher Sayad Nezhad

Volume 41, Issue 2 , September 2010

  Genetic trend for production traits were estimated in Iranian Holstein cattle using the first lactation data recorded by Cattle Breeding and Dairy Product Improvement Center of the State from 1991 to 2006. Effect of some factors on genetic trend was investigated using data from 18 large herds. (Co) variance ...  Read More

An Estimation of the Lactation Curve Parameters through Incomplete Gamma Function and a Determination of the Genetic Relationship between these Parameters and udder Traits, in Holstein Population of Iran

MohammadReza BakhtiariZadeh; Mohamad Moradi ShahrBabak

Volume 41, Issue 1 , May 2010

  The objective of the present study was to estimate the lactation curve parameters through incomplete gamma function and to genetically evaluate the relationship of these parameters and udder traits in Holstein population of Iran. Two data sets' including 117583 [(for lactation curve parameters) and 7351 ...  Read More

A Comparison of Different Functions for the Description of Lactation Curve in Different Periods of Lactation of Holstein Cows using Test Day Records

Azadeh Boustan; Mohamad Moradi ShahrBabak; Ardeshir Nejati Javaromi

Volume 41, Issue 1 , May 2010

  Test day milk records of a Holstein dairy farm collected during years 2004 to 2006 on 142 cows in the 1st lactation vs. 140 cows in the 2nd lactation were used in this research. There were real milk yields of cows available in each part of lactation in this farm making it possible to compare functions ...  Read More

Genetic Relationships between Linear Type Traits, Milk Yield and Open Day in Holstein Cows of Iran

MohammadReza BakhtiariZadeh; Mohammad Moradi ShahreBabak; Abbas Pakdel; Ahmad Moghimi

Volume 40, Issue 4 , March 2010

  The objective of the present study was to estimate the relationship between genetic parameters for 13 linear type traits, and milk yield as well as open day in Holstein cattle of Iran. Three data sets of: 16502 (type traits), 16557 (milk yield) and 11631 (open days) records related to the first calving ...  Read More

The Effect of Adjustment for Production Trait Records on Estimation of Variance Components and Genetic Evaluation in Iranian Holstein Cattle

bakhtiyar amini; mohammad moradi shahr babak; ardeshir nejati javaremi; mohammad bagher sayad nejad

Volume 40, Issue 2 , September 2009

  Adjusted milk yield for 305 days and two milking times along with actual first lactation records of 187138 Holstein cows were used to find out the effect of record adjustment on variance components estimation and on genetic evaluation. Records had been gathered by the Animal Breeding Center of Iran during ...  Read More

Effect of Withdrawing Vitamin and/or Trace Mineral Premixes from Grower and Finisher Diets of Broilers

abldol-reza kamyab; alireza mohammad hosseini; mohammad moradi shahr babak

Volume 40, Issue 2 , September 2009

  An experiment was conducted to evaluate the effect of withdrawing vitamin and/or trace mineral premixes from grower and finisher diets of broilers. A 2×4 factorial arrangement of treatments, consisting of four diets and two-removal times (from 28 to 49, and from 35 to 49 days of age) was utilized. The ...  Read More

Estimation of Genetic Parameters for First Lactation Production and Reproduction Traits in Iranian Holstein Cows

sajad toghyani; ablolahad shadparvar; mohammad moradi shahr babak; mohammad dadpasand

Volume 40, Issue 2 , September 2009

  To estimate the genetic parameters for production and reproduction traits in Holstein cows, information from 15 herds recorded by Animal Breeding Center of Iran during 1980 – 2004, were employed. Estimations were made using restricted maximum likelihood method under an animal model ranging DF-REML ...  Read More

Estimation of Genetic Trend for Production Traits of Holstein Cattle in Iran

mohammad razm kabir; ardeshir nejati javaremi; mohammad moradi shahr babak; amir rashidi; mohammad bagher sayad nejad

Volume 40, Issue 1 , June 2009

  Data related to Holstein dairy cattle from 1987 to 2004 were obtained from Animal Breeding Center of Iran to estimate the genetic and phenotypic trends. Variance components and genetic parameters of the first lactation records were estimated using Restricted Maximum Likelihood Method and AIREML algorithm ...  Read More

Effect of Supplemental Diets of Corn Gluten, Soybean Meal and Bakery Yeast on Body Weight, Protein and Fat Percent in Worker Honey Bees

gholam ali nehzati pa qaleh; ali nikkhah; gholam hossein tahmasbi; mohammad moradi shahr babak

Volume 39, Issue 1 , February 2009

  Honeybees like the other animal creatures require proteins, fats, carbohydrates, minerals vitamins and water for their maintenance, growth and reproduction. Normally they obtain their nutritional requirements from flowers but there are times when there aren’t sufficient flowers within reach they become ...  Read More