نام و نام خانوادگی داود زحمتکش شغل عضو هیئت علمی سایر دانشگاه‌های کشور تحصیلات علوم دامی وبسایت پست الکترونیک — مقاله چاپشده مقاله ارائهشده کتاب پایان نامه های تقاضا محور و غیر تقاضا محور طرح پژوهشی خاتمهیافته افتخارات و جوایز استانی، کشوری و بینالمللی ابداع عنوانمجله 1 Does the 9-11th rib composition correspond with body composition in fat-tailed Afshari lambs? Journal of Animal Science Researches (Agricultural Science) 2 Nucleotide Supplementation to Whole Milk Has Beneficial: Effects on Post-Weaning Holstein Calf Performance ANIMALS 3 Shade or unshaded effects on body composition of growing Afshari lambs during summer Small Ruminant Research 4 Short communication: Performance of Holstein calves fed high-solid milk with or without nucleotide Journal of Dairy Science 5 اثر افزودن اسید بوتیریک به شیر کامل بر عملکرد رشد و فراسنجه های خونی گوساله های هلشتاین قبل و بعد از شیرگیری نشريه علوم دامي (پژوهش و سازندگي) 6 The time spent in fresh cow pen influences total lactational performance The Journal of Agricultural Science 7 Comparison of three different step-down feeding to weaning programmes on performance, body measurements and age at first breeding of Holstein heifers The Journal of Agricultural Science 8 Short communication: Test of the relationship between prepartum milk leakage and blood calcium concentration in Holstein cows—An observational study Journal of Dairy Science 9 Exposure to sunlight results in lower concentrate intake during the hot hours of day in a cafeteria feeding of chopped alfalfa hay and concentrate in Afshari lambs SMALL RUMINANT RES 10 Effects of dam parity and pre-weaning average daily gain of Holstein calves on future milk production J DAIRY RES 11 Enriched dietary energy and protein with more frequent milking offers early lactation cows a greater productive potential Livestock Science