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. 2019 Feb 10;12:26. doi: 10.1186/s13068-019-1370-6

Fig. 5.

Fig. 5

Ammonia nitrogen [g L−1] during 28 days of mesophilic incubation from reactors reflecting different overload conditions (low, medium, high). Cont control, Tryp tryptophan, Tyr tyrosine, Phe phenylalanine, ME meat extract, Cas casein