Volume 26 (2024)
Volume 25 (2023)
Volume 24 (2022)
Volume 23 (2021)
Volume 22 (2020)
Volume 21 (2019)
Volume 20 (2018)
Volume 19 (2017)
Volume 18 (2016)
Volume 17 (2015)
Volume 16 (2014)
Volume 15 (2014)
Volume 14 (2012)
Volume 13 (2011)
Volume 12 (2010)
Investigation of Relationship between some productive and reproductive factors with calf sex in dairy cattle

MOHAMMAD AMIN BARADAR; Kazem Karimi; Seyed Hosein Tabatabaie

Volume 20, Issue 4 , February 2019, , Pages 641-648

Abstract
  This study was carried out in order to evaluate the relationship between some productive and reproductive factors with calf sex (CS), in Shahryar city from 2017 to 2018. Synchronization and pregnancy detection were performed by a veterinarian. Heat detected cows were inseminated by artificial insemination ...  Read More

Genetic parameters and trend of production and reproduction traits in Iranian Holstein cattle

Zohreh Shirmoradi; Abdol Reza Salehi; Rostam Pahlavan; Mohamad Reza Mollasalehi

Volume 12, Issue 2 , October 2010, , Pages 21-28

Abstract
  In this study, the genetic and phenotypic trend of milk and fat production traits were estimated form 94121 cows’ first lactation records and that for age at first calving and calving interval traits were estimated from 41900 cows’ reproduction records. Data related to Iranian Holstein dairy ...  Read More