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The aim of this study was to evaluate the possible influence of hoof diseases  in heifers on the concentrations of selected acute phase proteins and some  other variables related to protein metabolism in the blood. In the evaluation  we included 35 heifers of a low-land black spotted breed and its crossbreeds,  with pathological clinical findings on the hoofs. Blood samples were  collected once, when the clinical signs of the disease were obvious. Blood  samples were analyzed for haptoglobin (Hp), serum amyloid A (SAA), fibrinogen  (Fbg), total proteins, albumin, creatinine, urea, and total immunoglobulins.  The results obtained for sick animals were compared with those in 23  clinically healthy animals. In affected animals, the concentrations of Hp,  SAA, and Fbg were significantly higher than in healthy animals (p<0.05,  p<0.001, and p<0.001, respectively). Moreover, in heifers with hoof diseases  we found significantly higher total protein concentrations (p<0.05). On the  other hand, serum concentrations of creatinine and urea showed a trend of  significantly lower values in heifers affected by lameness (p<0.05 and  p<0.001, respectively). Concentrations of serum albumin and total  immunoglobulins were not significantly different between healthy and sick  animals. The presented data indicate an elevated production of acute phase  proteins in heifers affected by hoof diseases and lameness, and suggest the  usefulness of their measurement in the laboratory diagnosis of hoof diseases  in cattle

The influence of hoof diseases on the concentrations of some acute phase proteins and other variables of the protein profile in heifers