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)

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

Nutritive Value of Five Halophytes Determined in Sistan Area

zahra hoseini nejad; mostafa yoosefollahi; hasan fazayeli

Volume 43, Issue 1 , June 2012, , Pages 1-10


  Five species of dominant halophyte plants including: Salsola griffithii, Chenopodium album, Aeluropus logopoidies, Alopecurus textillis and Cardaria draba were sampled from Sistan region at their late vegetative stage. The collected samples were dried at room temperature and ground, and their chemical ...  Read More

The Effect of Different Levels of Vitamin Premix within the Last Three Weeks of Rearing Period on Performance and Carcass Characteristics of Broiler Chicks

Masoud Barzegar; Hosein MORAVEJ; Mahmoud SHIVAZAD

Volume 44, Issue 1 , June 2015, , Pages 1-7


  The present experiment was conducted to evaluate the effects of different levels of VitaminPremix(VP), fed during the last three weeks of a broiler rearing period (22-42 days), on its growthperformance and carcass characteristics. Four hundred 22 day old broilers received diets containingfour levels ...  Read More

The effect of different levels of Vitamin E in semen extender during the cooling on Caspian stallion sperm quality

Iman Yousefian; Ahmad Zare-shahneh; Mahdi Zhandi; Majid Bahreini; Ghazaleh Izadpanah; Reza Noei; Mojtaba Emamverdi

Volume 45, Issue 1 , April 2014, , Pages 1-8


  The purpose of this study was to determine the effects of different concentrations of vitamin E (Vit. E) in the quality of preserved stallion semen at 5ᵒC for a period of 48 h. Semen was collected and most (≥90%) seminal plasma removed by centrifugation at 600 × g. Pooled samples divided in ...  Read More

Effects of different fatty acid supplements on rumen fermentation parameters and microbial population in vitro condition

Hamed Khalilvandi-Behroozyar; Mehdi Dehghan-Banadaky; Mohammad Ghaffarzadeh; Kamran Rezayazdi

Volume 47, Issue 1 , July 2016, , Pages 1-17


  The aim of this study was to determine effects of different fatty acid profiles on rumen digestion coefficients, some of rumen metabolism parameters and rumen microbial populations. Different oils were used as source of fatty acids such as, Oleic, Linoleic, Linolenic, DHA and EPA. Palmitic acid supplemented ...  Read More

Effects of different strategies for selection of animals as reference population on the accuracy of genomic evaluation for moderate heritability traits in dairy cattle

Azade Boustan; Elham Rezvannejad; Ardeshir Nejati Javaremi; Reza Seyedsharifi

Volume 48, Issue 1 , June 2017, , Pages 1-9


  An important question about genomic evaluation is the effectiveness of using superior animals as reference population, on the accuracy of estimated breeding values of selection candidates. In this research, the accuracy of genomic evaluation is selecting superior animals as reference population (strategy1) ...  Read More

Searching causal structure among calving traits in first-parity Holstein cattles of Iran

Morteza Sattaei Mokhtari; Mohammad Moradi Shahrebabak; Ardeshir Nejati Javaremi; Guilherme J. M. Rosa

Volume 49, Issue 1 , June 2018, , Pages 1-9


  In this research the causal structure among calving traits of 29950 first-parity Holstein cattles of Iran including calving difficulty (CD), birth weight of calves (BW) and gestation length (GL) was revealed applying data collected by Iranian Animal Breeding in 131 herds from 1995 to 2004 by Inductive ...  Read More

Study of the correlation among milk production traits, its components and the breeding value of these traits with predicted methane using volatile fatty acids in Iranian Holstein cattle

Ali Jalil Sarghale; Mohammad Moradi Shahre Babak; Hossein Moradi Shahrbabak; Ardeshir Nejati Javaremi; Mahdi Saatchi

Volume 50, Issue 1 , August 2019, , Pages 1-10


  The methane production from ruminant production system was estimated to reach 250-500 L per animal per day which has been reported to contribute up to 8-10 % of global warming during the next 50-100 years. The aim of this study was to investigate the correlation among methane emission (predicted by volatile ...  Read More

Production of selenium enriched yeast and assessment of the effect of its different ‎levels on the morphology and biometry of internal and reproductive organs in broiler ‎breeder hens

Mojtaba Emamverdi; Ahmad Zareh-Shahneh; Mahdi Zhandi; Mojtaba Zaghari; Dariush Minai-Tehrani

Volume 51, Issue 1 , May 2020, , Pages 1-8


  The aim of present study was to produce selenium enriched yeast and determine its optimum level on morphology and biometry of internal and reproductive organs in broiler breeder hens in comparison to Selemax (commercial organic sodium selenite) and mineral selenite. This study was done in two parts, ...  Read More

The survey of genetic susceptibility to bovine spongiform encephalopathy among Iranian native and Holstein cattle breeds

Saber Mohammad Maghsoodi; Seyed Reza Miraei-Ashtiani; Hassan Mehrabani Yeganeh; Mohammad Hossein Banabazi

Volume 45, Issue 2 , August 2014, , Pages 89-97


  In recent years, the relationship between insertion and deletion (indel) polymorphisms in promoter region (23 bp) and intron 1 (12 bp) of PRNP gene (Prion protein coding gene) and their relationship to susceptibility of classical bovine spongiform encephalopathy (BSE) have been reported. Insertions of ...  Read More

Detection of selection signatures in Azeri and Mazandrani buffalo populations by high density SNP markers

Mahdi Mokhber; Mohammad Moradi Shahre Babak; Mostafa Sadeghi; Hossein Moradi Shahrbabak; Javad Rahmani-Nia

Volume 50, Issue 2 , September 2019, , Pages 89-102


  In order to detect signature of selection on buffalo genome, a set of 287 water buffalo samples from 260 Azari and 27 Mazandarani buffalo breeds were genotyped using the Axiom® Buffalo Genotyping 90K Array. The unbiased fixation index method (FST) was used to detect signatures of selection. In total, ...  Read More

Effect of Different Levels of Protein and Probiotic on Performance and Immune Response in Broiler Chicks under Heat Stress

Alireza Safamehr; Sajad Yagoubzade; Ali Nobakht

Volume 42, Issue 2 , October 2011, , Pages 95-106

  This study was carried out to determine the effects of different levels of protein and probiotic (Protexin) on performance, and immune response in Ross (308) broiler exposed to heat stress. Five hundred and forty one-day old broilers were employed in a compeletly randomized design (3×3 factorial arrangement) ...  Read More

Genetic Analysis of Number of Lambs Born per Lambing in Mehraban Breed Ewes, using B-Spline Random Regression Models


Volume 44, Issue 2 , August 2013, , Pages 113-120


  A number of 5558 lambing records of 2245 Mehraban ewes, collected during years 1995 to 2010 were utilized to estimate the variance components and heritability for the number of lambs per lambing,  making use of B-Spline random regression models. The fixed factors affecting the studied trait were ...  Read More

Effect of Different Levels of Zinc and Copper Organic Supplements on Performance and Some Blood Metabolites of Mehraban Male Lambs

salime torkashvan; mohammad mehdi tabatabayi; hasan ali arabi; ali asghar bahari; daryoosh alipoor

Volume 43, Issue 2 , September 2012, , Pages 151-160


  The effect of different levels of zinc and copper organic supplements on performance, plasma copper plus zinc status, serum Alkaline Phosphatase (ALP), Ceruloplasmin (CP) activity as well as vitamin ¬A concentration was studied in 25 Mehraban male lambs each of 5-6 months of age and 30/64±3/47kg of ...  Read More

Comparison of PCA and DAPC methods for analysis of Iranian Buffalo population structure using SNPchip90k data

Zahra Azizi; Hossein Moradi Shahrbabak; Mohammad Moradi Shahrbabak

Volume 48, Issue 2 , September 2017, , Pages 153-161


  Understanding of population genetic structure is valuable for better implementation of breeding programs and most importantly, preservation of genetic resources. Genomic data provide an opportunity to consider complex evolutionary history of populations and reconstruct rare historical events. In this ...  Read More

Effects of long-term hyperthyroidism on body weight, egg production and reproductive traits in breeder hens

Fatemeh Saemi; Ahmad Zareh Shahneh; Mahdi Zhandi; Amir Akhlaghi; Sharif Rostami

Volume 49, Issue 2 , September 2018, , Pages 171-177


  The aim of this experiment was to study the effects of long-term induced hyperthyroidism on the body weight and egg production. In addition the relationships between hyperthyroidism and some reproductive parameters were studied. A total of seventy 47-week-old Cobb 500 breeder hens were randomly allotted ...  Read More

Metabolic profile and antioxidative status, body weight, and performance of dairy cows in the periparturient period

Ebrahim Ghasemi; Mohammad Hossein Safari Foroshani; Masood Alikhani; Javad Shirani-Shamsabadi

Volume 50, Issue 3 , December 2019, , Pages 171-184


  In this study, the metabolic and antioxidative differences, BW changes and performane of12 primiparous (parturition BW 643±48 kg BW) and 15 multiparous (parturition BW 773±65 kg) cows were investigated during transition period. Blood sample for antioxidative and metabolic parameters on ...  Read More

The knowledge and attitudes of target livestock producers of ewe estrous synchronization model plan in Markazi and Fars provinces

Mahdi Khodaei Motlagh; Naser Zamani-Miandashti; Amir Hossein Khaltabadi-Farahani; Mohammad Yahyaei

Volume 45, Issue 3 , October 2014, , Pages 185-195


  The increase of reproduction performance is one of the critical factors for improving economic achievement and sustaining small and middle scale livestock producing. For this to happen, participatory research and extension programs should be implemented with the help of livestock producers. In the present ...  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

Improvement of Artificial Insemination Efficiency in Zandi Ewes via Estradiol and Oxytocin Injection
Volume 44, Issue 3 , December 2014, , Pages 207-215


  The aim followed in the present study was to evaluate the effect of Estradiol (E2) injection and injection (either intramuscular (i.m) or intravenous (i.v)) of various doses of OxyTocin (OT) on cervix dilation and on conception rate in Zandi ewes during late breeding season. Sixty three ewes were randomly ...  Read More

Identification of genes affecting the amount of abdominal fat in broiler chickens ‎using microarray and RNA sequencing data

Farzad Ghafouri; Mostafa Sadeghi; Abolfazl Bahrami; Seyed Reza Miraei Ashtiani

Volume 50, Issue 4 , February 2020, , Pages 259-269


  Abdominal fat deposition and several other unique features in the metabolism of birds such as interaction between genetic and endocrine factors, fasting hyperglycemia and insulin resistance are signs of obesity and metabolic disorders in poultry, similar to humans. The main purpose of this study was ...  Read More

A Study of the Performance of some of Production, Reproductive and Economic Traits of Cattle in Smallholder Dairy Farms in Chaharmohalo Bakhtiari Province

Mahmoud Vatankhah; Mehrab Faraji

Volume 42, Issue 4 , March 2012, , Pages 285-296

  Four hundered and ninety five (495) smallholder dairy farms active in 52 villages of different cities in Chaharmohalo Bakhtiari Province, keeping 1321 lactating within a total of 2811 mature cows (lactating and dry) were used. These herds were taken during winter 2009 to summer 2010 to assess some of ...  Read More

Effect of Lighting Program on Cellular and Humoral Immune Responses of Arian Broilers

marziye rahmani; mohammad amir karimi; rasoul vaez torshizi

Volume 43, Issue 3 , October 2013, , Pages 297-305


  This study was conducted to compare the effects of different illumination programs on the cellular and humoral immune system using 320 one day–old male broilers (Arian 386) in a completely randomized design of 8 replications (10 birds each). The four assayed lighting schedules were comprised of: 1- ...  Read More

The comparative study of steam treated sugarcan pith by digestibility rumen anaerobic fungi in Holstein cow and Khuzestan buffalo

Fateme Shakarami; Morteza Chaji; Moosa Eslami; Tahereh Mohammadabadi; Mohammad Bojarpour

Volume 45, Issue 4 , January 2015, , Pages 297-308


  This study was conducted to compare fungi and whole rumen microorganisms (WRM) digestibility of treated sugarcane pith by fungi and of buffalos and Holstein cows. Dry matter (DM), neutral and acid detergent fiber (NDF and ADF) digestibilities of steam treated sugarcane pith (STP) by fungi and WRM were ...  Read More

Effect of Different Levels of Vitamin E and Soybean Oil on Production Performance and on Mammary Gland Health in Holstein Cows

Mohsen Bayat; Hasan Ali Arabi; Mohammad Mahdi Tabatabaei; Ali Asghar Saki; Dariush Alipour; Pouya Zamani; Ahmad Ahmadi; Zahra Zamani; Amir Hosein Dezfoulian

Volume 41, Issue 4 , March 2011, , Pages 299-307

  This experiment was conducted to determine the effect of feeding Soybean Oil (SO) along with vitamin E on performance and mammary gland health in Holstein cows. Eight Holstein lactating cows were employed in a 2×2 factorial experiment and in an incomplete replicated latin square design. Treatment diets ...  Read More