List of Articles Open Access Article Abstract Page Full-Text 1 - Effect of silver nanoparticles on fertility of cow’s sperm Rokhsareh Damavandi Nejad Jafar Yadi Mohammad Reza Vaezi Open Access Article Abstract Page Full-Text 2 - Effect of Urea-Molasses Block Supplement on the efficiency, food intake and Performance of Lactating Holstein Cows Reza Asadi Keyvan Karkodi Hasan Fazaeli Open Access Article Abstract Page Full-Text 3 - Genetic diversity of Iranian common buzzard (Buteo Buteo) using microsatellite markers Mehdi Tarhsaz Abolghasem Lavvaf Tarlan Farhvash Open Access Article Abstract Page Full-Text 4 - Investigation of the effect of Protexin (probiotic concentrate) and Probiosac in combination valve replacement on performance of growth and blood parameters of Holstein female calves Mohammad Reza Azizi Abolghasem Lavvaf Nima Eila Open Access Article Abstract Page Full-Text 5 - Effect of Weaning Age on Feedlot Performance of Kalekoohy Male Lambs Keyvan Karkodi Open Access Article Abstract Page Full-Text 6 - Comparison usage of total and digestible amino acids in two methods of feeding -common and weekly-in broilers Ramin Ghaffar Nejad Parto Abolfazl Zarei Nima Eila