TY - JOUR TI - Identifying cattle with superior growth feed efficiency through their natural 15N abundance and plasma urea concentration: A meta-analysis JO - Peer Community Journal PY - 2022 DA - 2022/// VL - 2 PB - Peer Community In UR - https://peercommunityjournal.org/articles/10.24072/pcjournal.130/ UR - https://doi.org/10.24072/pcjournal.130 DO - 10.24072/pcjournal.130 ID - 10_24072_pcjournal_130 ER -