List of Articles Heifer Open Access Article Abstract Page Full-Text 1 - Validation of Reference Genes for Real Time PCR Normalization in Milk Somatic Cells of Holstein Dairy Cattle م. محقق-دولتآبادی ح. حسینی-دولتآبادی ا. حیدری ارجلو ر. محمودی Open Access Article Abstract Page Full-Text 2 - Reproductive Performance of Holstein Heifers Inseminated with Sex Sorted Semen in Various Herd Sizes A. Zargaran M. Amin Afshar S. Joezy-Shekalgorabi J. Azizi M. Chamani 20.1001.1.2251628.2021.11.2.5.9 Open Access Article Abstract Page Full-Text 3 - Evaluation of Heifer Management Criteria for Improved Lactation and Reduced Dystocia: A Systematic Analysis of Body Weight, Average Daily Gain, and Age ح. رفیعی م.ه. خبازان ا. مهنانی ا. نیکخواه 20.1001.1.2251628.2020.10.3.10.9 Open Access Article Abstract Page Full-Text 4 - Growth Performance and Feed Conversion Efficiency of Crossbred Heifers ن.ک.د. نس م.آ. باست ن. زاهان شوشه اس.آ. بلال م. آکتاروزمان م.ن. اودین