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. JUBPAS [Internet]. 2019 Apr. 1 [cited 2025 Apr. 19];27(1):313-24. Available from: https://journalofbabylon.com/index.php/JUBPAS/article/view/2166