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 39 (2009)
Relationship between Maternal Breeding Values of Day Old-Chick Weight and Egg Quality and Quantity Traits in a Commercial Broiler Line

hossein ghorbani; rasoul vaez torshizi; naser emam jomeh kashan

Volume 40, Issue 1 , June 2009

Abstract
  The purpose of this study was to investigate the relationship of maternal breeding values of the weight of day-old chick chicks in a commercial broiler line with egg traits including yolk fatty acids. Maternal breeding values of 63 hens of known pedigree were estimated through an animal model, containing ...  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

Abstract
  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

The Effect of Culling Herd Life from Selection Goal in Iranian Holstein Cows

sahereh jozi shekalgoorabi; abdol ahad shadparvar

Volume 40, Issue 1 , June 2009

Abstract
  To test the effect of culling herd life from the breeding goal function, 4 different selection indices were established as: index 1: using Milk production (Milk), Fat percentage of milk (fat%) and Rear Udder Height (Ruh); index 2: using Milk , fat% and Fore teat placement (Ftp), index 3: using Milk, ...  Read More

Substitution of Soybean Meal with Canola Meal either with or without Exogenous Enzymes: Influence upon the Growth Performance, Carcass Characteristics and Plasma Thyroid Hormone Concentrations

mojtaba nobakht; fariborz khajali; mehrab faraji nafchi

Volume 40, Issue 1 , June 2009

Abstract
  Three hundred and sixty broiler chicks (Ross 308) were employed in an experiment from 6 to 49 days of age to evaluate the effect of replacing canola meal for soybean meal either with or without enzyme supplementation. Dietary treatments included 5 substitution levels (0, 25, 50, 75 and 100%) at two enzyme ...  Read More

Effects of Protected Fat Supplements on Performance of Early Lactating Holstein Cows

mehdi ganj khanloo; kamran reza yazdi; gholam reza ghorbani; hossein moravej; mehdi dehghan banadaki; mohammad reza emami

Volume 40, Issue 1 , June 2009

Abstract
  This study was conducted to evaluate production response of early lactating cows to rumen protected fats. Twelve (nine multiparous and three primiparous) Holstein cows (26±4 d in milk) were empolyed in a replicated 3×3 Latin Square Design of 21-d periods. Each period consisted of 14 days of adaptation ...  Read More

Effect of Different Time Artificial Inseminations on Reproductive Performance of Taleshi Ewes

masood didar khah; mehrdad mohammadi; mokhtar mehdizadeh

Volume 40, Issue 1 , June 2009

Abstract
  The objective of this study was to determine the best time for artificial insemination in Taleshi ewes. One hundred and fifty ewes were randomly allotted to three groups (n=50/per group). Estrus was synchronized with intravaginal insertion of Controlled Internal Drug Release (CIDR) for 14 days. At the ...  Read More

Estimation of Genetic, Phenotypic and Environmental Trends of Growth Traits in Kermani Sheep

morteza sataii mokhtari; amir rashidi; mohammad reza mohammad abadi; hossein moradi shahr babak

Volume 40, Issue 1 , June 2009

Abstract
  In this study the data of 2332 lambs from 815 dams and 61 sires, collected during 1993-2004 in Kermani sheep breeding station were used to estimate phenotypic, genetic and environmental trends for birth weight (BW), weaning weight (WW), 6 months weight (6MW), 9 months weight (9MW) and yearling weight ...  Read More

Feedlot Performance and Carcass Compositions of Ghezel and Mehraban Lambs and Their Reciprocal Crosses

jamshid izadi far; mohammad dadpasand

Volume 40, Issue 1 , June 2009

Abstract
  The effect of crossbreeding between Ghezel and Mehraban on growth performance and carcass characteristics was studied for two consecutive years using 162 purebred and crossbred lambs. The four groups of lambs involved in the study were purebred Mehraban (MM), purebred Ghezel (GG), crossbred Ghezel ram×Mehraban ...  Read More

Effect of Prepartum Dietary Carbohydrate Source on Feed Intake, Energy Balance, Rumen Fermentation, and Milk Yield and Components of Holstein Cows

hamid reza mirzaii alamooti; kamran rezayazdi; hamid amanloo; armin tohidi

Volume 40, Issue 1 , June 2009

Abstract
  Sixty eight Holstein cows, 38 primiparous and 30 multiparous ones, were employed in a randomized complete block design, blocked to evaluate the effects of 2 diets in various ruminal fermentable carbohydrate sources (Ground Corn vs Rolled Wheat) on rumen fermentation and performance during preparturient ...  Read More

The Effect of Dried Pistachio By-product on Ruminal Parameters and the Performance of Rayini Goats

a'azam mir heidari; yousef rouzbehan; hassan fazaeli

Volume 40, Issue 1 , June 2009

Abstract
  The effects of replacement of alfalfa hay with pistachio by-product (PB) at 0, 25, 50, and 75% (DM basis) on the ruminal parameters, Dry Matter Intake (DMI) of female Rayini goats, after kidding, and on the Live Weight Gain (LWG) of their kids were investigated. Five single-bearing female Rayini goats ...  Read More

Effect of Substitution of Corn with Different Levels of Wheat along with Supplemental Phytase and Different Levels of Available Phosphorus on Layer Hens Performance

leyla zartash; ahmad zare shahneh; abolfazl zali; rooh-o-lah gaykani; javad poor reza

Volume 40, Issue 1 , June 2009

Abstract
  The present study was carried out to investigate the effect of corn replacement by different levels of wheat with supplementation of phytase with reduced phosphorus level for laying hens. Two hundred seventy nine layer hens (the strains of Hy-line W36) at the 53th week of age, selected based on the same ...  Read More