TY - RPRT TI - Phosphorous digestibility and activity of intestinal phytase in hybrid tilapia, Oreochromis niloticus X O. aureus AU - M.W. La Vorgna AU - Y. Hafez AU - S. G. Hughes AU - T. Handwerker PY - 2003 DO - 10.1300/j028v14n01_06 UR - https://pubs.usgs.gov/publication/70025056 ID - 70025056 ER -