Volume 53 (2022)
Volume 52 (2021)
Volume 51 (2020)
Volume 50 (2019)
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)
Research Paper
Effect of different dietary carbohydrate sources on in vitro utilization efficiency of corn steep liquor

Parmis Zahedi Moghadam; Arash Azarfar; Ayoub Azizi

Volume 49, Issue 4 , March 2019, Pages 469-479

http://dx.doi.org/10.22059/ijas.2019.268190.653666

Abstract
  This study was carried out to evaluate the effects of supplementing corn steep liquor (CSL), as a nitrogen source, with different dietary carbohydrate sources on in vitro gas production, fermentation parameters, digestibility and activity of rumen microbial enzymes of male lamb's diets. The 8 experimental ...  Read More

Research Paper
The evaluation of breeding strategies in Mazandaran native fowls using computer simulation

Babak Enayati; Amir Rashidi; Rostam Abdollahi Arpanahi; Mohammad Razmkabir

Volume 49, Issue 4 , March 2019, Pages 481-494

http://dx.doi.org/10.22059/ijas.2019.263077.653653

Abstract
  The aim of the study was to compare two strategies in Mazandaran native fowls using computer simulation.  Simulated traits included body weight at birth (BW1), at eight weeks of age (BW8), at twelve weeks of age (BW12), at maturation (BWM), age at sexual maturity (AFE), weight of first egg (EWM), ...  Read More

Research Paper
Effect of in-ovo injection of nanoparticles of grape seed extract on sex differentiation and gonadal structure in broiler chicks

Zeinab Shohoudi; Majid Mottaghitalab; Mostafa Golshekan

Volume 49, Issue 4 , March 2019, Pages 495-504

http://dx.doi.org/10.22059/ijas.2019.266833.653662

Abstract
  Polyphenols content in the grape seed are considered as potent aromatase inhibitors. In this study, the grape seed extract was injected into the egg as an anti-aromatase and its effects on sex differentiation and gonadal structure in broiler chicks were investigated. A total of seven hundred eggs from ...  Read More

Research Paper
Effectiveness of toxin adsorbents on Diazinon residues in grape pomace and its effects on intake, and ruminal and blood parameters in lactating goats

Behzad Pourmahmoud; Rasoul Pirmohammadi; Hamed Khalilvandi Behroozyar

Volume 49, Issue 4 , March 2019, Pages 505-516

http://dx.doi.org/10.22059/ijas.2019.260912.653647

Abstract
  The aim of this research was to determine effects of different toxin adsorbents on the amount of Diazinon residues and effectiveness of these additives on ruminal parameters and some blood metabolites in Mohabadi lactating goats fed with high white grape pomace-based diets (27.71%). In this study, 20 ...  Read More

Research Paper
Investigating the effects of supplementing dairy cows diet with condensed tannin of chestnut supplement (Silvafeed) on rumen fermentation, nutrient digestibility and microbial enzyme activity in vitro

Ali Heidari-Majd; Arash Azarfar; Ayoub Azizi; Hossein Omidi-Mirzaei

Volume 49, Issue 4 , March 2019, Pages 517-525

http://dx.doi.org/10.22059/ijas.2019.262053.653650

Abstract
  This study was conducted to investigate the effects of supplementing dairy cows diet with various levels of commercial chestnut condensed tannins (CT) supplement (Silvafeed), on in vitro gas production (GP) and fermentation parameters, nutrients digestibility and activity of rumen microbial enzymes in ...  Read More

Research Paper
Effects of in ovo injection of different manganese sources on performance and tibia characteristics of broilers

Majid mottaghitalab; Minoo Mirzavandi Chegeni; Seyed Hossein Hhosseini moghadam; Mostafa Golshekan

Volume 49, Issue 4 , March 2019, Pages 527-534

http://dx.doi.org/10.22059/ijas.2019.264711.653658

Abstract
  In order to investigate the effects of in ovo injection of different sources of manganese on performance and tibia characteristics of broilers, a total of 480 fertile eggs from ROSS 308 were assigned to 6 treatments, 4 replicates of 20 eggs per replicate in a completely randomized design. The experimental ...  Read More

Research Paper
Effects of misidentification and paternity errors on prediction of breeding values and ranking of animals in dairy cattle

Mohammad Razmkabir; Farid Fathi; Rostam Abdollahi-Arpanahi

Volume 49, Issue 4 , March 2019, Pages 535-545

http://dx.doi.org/10.22059/ijas.2019.246757.653591

Abstract
  Genetic evaluations are computed to assess the genetic merit of animals based on mixed model equations. An important assumption for setting up these equations is that all genetic relationships among animals are available and correct. The objectives of the present study were to estimate the effects of ...  Read More

Research Paper
Effect of acetic acid treating and autoclaving of bitter vetch on nutrients degradability, protozoa counts, metabolisable protein and CNCPS protein fractionation

Faezeh Shahbazi; Mehdi Kazemi-Bonchenari; Amir Hossein Khaltabadi-Farahani; Hamed Khalilvandi

Volume 49, Issue 4 , March 2019, Pages 545-556

http://dx.doi.org/10.22059/ijas.2019.267337.653664

Abstract
  The present study was evaluated the effects of acetic acid treating and autoclaving the bitter vetch (Vicia ervilia) on nutrients degradability, protozoa counts, some ruminal parameters, and metabolisable protein. Three Farahani permanent rumen-canulated sheep were used in a 3×3 Latin square design ...  Read More

Research Paper
The effect of different times of GnRH injection on reproductive performance of Lake-Ghashghaei ewes supperovulated with eCG in nomadic breeding condition

Hossein Zahedpor; Javad Habibizad; Mehrdad Meamar

Volume 49, Issue 4 , March 2019, Pages 557-565

http://dx.doi.org/10.22059/ijas.2019.265820.653661

Abstract
  In order to investigate the different times of GnRH injection on the reproductive activities of Lake-Ghashghaei ewes supperovulated with eCG in autumn season, 60 ewes (2-3 ages and average body weight 49±1.8 Kg) were chosen. Estrus cycle of ewes were synchronized by progesterone sponges during ...  Read More