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Amoebae (Paramoeba perurans) survival testing, results reported per ingredient: (A) arginine, (B) phytogenic feed additive 1, (C) phytogenic feed additive 2. Values are expressed as amoebae survival percentage (%) and reported as mean ± standard deviation, compared to the control (CTRL); (n = 3), * p < 0.05 (compared to the control).
