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Weekly egg laying rate of the hens. ∗∗P < 0.01 as compared with the control group; #P < 0.05 as compared with the HELP group; ##P < 0.01 as compared with the HELP group (n = 10). Abbreviations: CON, control; HELP, high energy and low protein; HELP + P-40, high energy and low protein +40 mg/kg PAMK; HELP + P-200, high energy and low protein +200 mg/kg PAMK; HELP + P-400, high energy and low protein +400 mg/kg PAMK; PAMK, polysaccharide from Atractylodes macrocephala Koidz.
