. 2018 Apr 16;4(3):311–315. doi: 10.1016/j.aninu.2018.04.003
© 2018 Chinese Association of Animal Science and Veterinary Medicine. Production and hosting by Elsevier B.V. on behalf of KeAi Communications Co., Ltd.
This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
Fig. 1.
D- and L-forms of amino acid (Chung and Reed, 2015).