@misc{indiciae4c80caf2e9e7, title = {Feed conversion indices: Controversy or convention?}, author = {N. C. Parker}, year = {1987}, doi = {10.1577/1548-8640(1987)49\%3c161:fci\%3e2.0.co;2}, url = {https://pubs.usgs.gov/publication/1014166}, note = {Source identifier: 1014166} }