“Effect of Addition of Different Levels of Commercial Baker’s Yeast to Concentrate Diet of Multiparous Mid-Lactation Holstein Friesian Cows on Rumen Fermentation Characteristics”. JOURNAL OF UNIVERSITY OF BABYLON for Pure and Applied Sciences 27, no. 1 (April 1, 2019): 313–324. Accessed May 3, 2025. https://www.journalofbabylon.com/index.php/JUBPAS/article/view/2166.