highly significantP < 0.01
Error bars: “a” indicates no significant differences ( P > 0.05); “b” indicates a significant difference (0.01 < P < 0.05, compared with CK); and “c” indicates a highly significant difference ( P < 0.01, compared with CK).
Error bars: “a” indicates no significant differences ( P > 0.05); “b” indicates a significant difference (0.01 < P < 0.05, compared with CK); and “c” indicates a highly significant difference ( P < 0.01, compared with CK).