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)
Determination of economic weights for production and reproduction traits of Kordi sheep in village system

farahnaz jamshidizad

Volume 19, Issue 2 , August 2017, , Pages 311-320

Abstract
  In this study production, reproduction, management and economic parameters obtained from 7 flocks with 600 head of native sheep were used during annual cycle of production in village systems. The economic values of traits were estimated using maximizing profit, revenue per cost and minimizing cost method. ...  Read More

Comparing reproduction and production parameters in managing program of two and three birth times during two years using melatonin in ewes

Hamed Kermani Moakhar; Saeed Zeinoldini; Armin Towhidi; Hamid Kohram

Volume 18, Issue 2 , June 2016, , Pages 387-395

Abstract
  Using melatoninin ewes of Iran black breed, this study aimed to compare the reproduction and production performances in lambing program of two and three times per years for duration of two years. A hundred ewes allocated to two parallel groups: Group A (ewes in three lambing managing system using melatonin) ...  Read More