Rumen-protected methionine supplementation plays a crucial role in improving reproductive outcomes in dairy cows. Studies show that it positively impacts preimplantation embryos, enhances steroidogenesis in postpartum cows, and influences immune mediators. This supplementation also alters lipid profiles and transcriptomes in embryos and endometrial tissues. Feeding methionine pre-and postpartum promotes healthier follicular development and improves reproductive efficiency. Research further indicates improvements in the overall health of multiparous Holstein cows, including better metabolic and immune status. These findings highlight methionine's vital role in maximizing dairy cow fertility and productivity.
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