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Concentration of (A) fat, (B) protein, and (C) fat-to-protein ratio in the milk of periparturient dairy cows with (■, n = 6) or without (◇; n = 6) lameness (LSM ± SEM; Hs = effect of health status; Wk = effect of sampling week; Hs × Wk = effect of health status by sampling week interaction).
