Swine Hematology from Birth to Maturity. I. Serum Proteins

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Abstract
Electrophoretic and total protein analyses were made on over 1,100 serum samples taken from swine at frequent age intervals from birth to maturity. Rapid changes in total serum protein and electrophoetic pattern occur in the first 24 hours of life in the pig as a result of colostral absorption of [beta]- and gamma-globulins. Rapid changes also occur in the subsequent 3-week period because of the catabolism of serum gamma-globulin, the immediate anabolism of serum albumin and the absence of a significant amount of serum gamma-globulin production. Maximum production of serum gamma-globulin occurs between the ages of 2 and 6 months. Values of serum [alpha]- and [beta]-globulins after the neonatal changes are relatively constant throughout life.