Effect of sire, Dam, parity and year of calving on parameters and characteristics of lactation curve of Friesian-Holstein cows. م ع ش [Internet]. 2026 Jan. 12 [cited 2026 Mar. 7];10(ملحق 38):1872-8. Available from: https://www.cjos.dtasd.com/index.php/journal/article/view/1311