Effects of peripartal rumen-derived direct-fed microbial supplementation on lactation performance, metabolism, ruminal fermentation, and microbial abundance in dairy cows

"Effects of peripartal rumen-derived direct-fed microbial supplementation on lactation performance, metabolism, ruminal fermentation, and microbial abundance in dairy cows." Supplementing rumen-derived direct-fed microbial (DFM) can improve forage digestibility and ruminal VFA production and consequently improve milk production and feed efficiency. The DFM used in this study was composed of Clostridium beijerinckii (1 x 107), Pichia kudriavzevii (1 x 108), Ruminococcus bovis (1 x 108), Butyrivibrio fibrisolvens (1 x 108). Rumen-derived DFM promoted positive responses in lactation performance during the post-fresh period (6 - 14 wk postpartum), such as milk yield and feed efficiency.