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)
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

Effects of summer and winter temperature–humidity index on performance of some reproductive traits of high producing dairy cows

Hadi Dashti; Ahmad Riasi; Mohammad Ali Edris; Golam-Reza Gohrbani; Hossein Omidi-Mirzaei

Volume 47, Issue 2 , October 2016, , Pages 321-327

http://dx.doi.org/10.22059/ijas.2016.59037

Abstract
  The aim of this study was to consider reproductive performance parameters and blood progesterone concentration changes in high-producing dairy cows (39±2 kg per day) after artificial insemination, in summer and winter. 270 heads of Holstein dairy cattle were choose in three big dairy farms, and ...  Read More