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 41 (2010)
Volume 40 (2009)
Volume 39 (2009)
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

QTL Analysis of Growth Traits on Chromosome 18 in Lori-Bakhtiari Sheep

Vahid Iranpour mobarakeh; Ali Esmaeilzadeh kashkouieye; Ebrahim Asadi khashouei

Volume 42, Issue 1 , July 2011, Pages 11-19

  In order to identify the segre QTL affecting growth traits on the end region of chromosome 18 in a Lori-Bakhtiari sheep population, 162 animals from 5 paternal half-sib families were taken to be studied. Phenotypic data included records of birth weight (BWT), weight at one month of age (W1), weaning ...  Read More

Dietary Factors Affecting Egg Cholesterol Content in Laying Hens

Soudabeh Moradi; Mahmoud Shivazad; Ahmad Zare shahneh; Seyed Ahmad Mirhadi

Volume 42, Issue 1 , July 2011, Pages 21-27

  This trial was conducted to evaluate the effects of different dietary factors that affect egg cholesterol concentration in laying hens of 56 to 70 weeks of age. Three hundred and ninety six Hy-Line W36 laying hens were subjected to 11 experimental treatments, each treatment consisting of 4 replicates, ...  Read More

The Effect of Using Different Levels of Rice Bran either with or without Multi-Enzyme Supplementation on Broiler Chicks' Performance

Maziyar Moghaddam tabrizi; Mohammad Salar Moeini

Volume 42, Issue 1 , July 2011, Pages 29-38

  The present study was conducted to determine the effects of different levels of rice bran along with a multi enzyme on the performance of broiler chicks. Three hundred eighty four day-old male broiler chicks were taken in 8 treatments comprised of different levels of rice bran (0, 6, 12 and 18%) together ...  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

Effect of Nutrition Management on Fattening Performance and on Cost Benefit Analysis in Lori-Bakhiari Lambs

Gholamreza Shadnoush; Masoud Alikhani; Hamidreza Rahmani; Mohammad Ali Edris; Azizolah Kamalzade; Mojtaba Zahedifar

Volume 42, Issue 1 , July 2011, Pages 47-55

  Forty-two weaned Lori-Bakhtiari lambs were taken in an investigation for the effects of two-nutritional management methods of restricted vs. re-alimentation feeding on intake, growth and as well on the cost benefit analysis. During the Feed Restriction Period (FRP), the Control (C) animals were fed low-quality ...  Read More

Effect of Calving Difficulty on Milk Production, Fertility and Estimation of Economic Value for Direct and Maternal Calving Difficulties

Heydar Ghiasi; Ardeshir Nejati javaremi; Abbas Pakdel; Hassan Mehrbani yeganeh

Volume 42, Issue 1 , July 2011, Pages 57-64

  Economic data and performance records from 10 Iranian Holstein dairy cattle herds, as well as milk production and fertility records from Iranian Center of Animal Breeding and Animal Production Improvment were used to estimate the effect of calving difficulty on milk production, fertility and as well ...  Read More

The Effect of Creep Mixture Diet on the Pattern of Hair Follicle Development in Suckling Lambs

Samira Varezardi; Manouchehr Souri; Mohammad Panah

Volume 42, Issue 1 , July 2011, Pages 65-73

  A total of 20 suckling Sanjabi Lambs, comprised of 10 males and 10 females with respective liveweights of 13.40±1.34 and 11.62±0.85 kg were employed in a 2x2 factorial experimental arrangement. The lambs within their sexes were grouped according to their liveweights and then randomly allocated to either ...  Read More

The Role of Pallen and Nectar Bearing Plants in Planning How to Use Rangeland in Bee Keeping Point of View

Sharbanou Fadaei; Hossein Arzani; Hossein Azarnivand; Gholamali Nehzati; Seyed Hassan Kaboli; Mansoureh Aminzadeh

Volume 42, Issue 1 , July 2011, Pages 75-84

  The presence of nectar-and pollen- bearing plants as vegetative cover in rangelands can provide the ground for job opportunities in the context of beekeeping as an aspect of rangelands' multipurpose uses. Beekeeping, as an approach, based upon indigenous knowledge, is suggested to create jobs, and to ...  Read More

Nutritive Evaluation of Vicia sativa, Lathyrus sativus and Vicia ervilia Forage through Chemical and Gas Production Techniques

Vahideh Razm azar; Nour Mohammad Torbatinejad; Jamal Seyfdavati; Saeid Hassani

Volume 42, Issue 1 , July 2011, Pages 85-93

  An experiment was carried out to investigate the nutritive value of hay of Vicia sativa, Lathyrus sativus and Vicia ervilia cultivated in Ardabil province. Digestibility was estimated through in vitro method. Gas Production (GP) was recorded after 2, 4, 6, 8, 12, 24, 48, 72 and 96 h of incubation. Crude ...  Read More