Age-related variations in serum concentrations of the third component of complement in swine.

J. W. Tyler, James S Cullor, Bennie Osburn, K. Parker

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Single radial immunodiffusion was used to determine the concentration of the third component of complement (C3) in serum from swine in the following age groups; 36 to 60 hours (neonates), 6 to 7 weeks (weanlings), 4 to 5 months (adolescents) and greater than 1 year (adults). Mean serum C3 concentrations, expressed as the percentage of pooled reference sera from 15 adult swine for the 4 groups were 23, 123, 119, and 98%. With the exception of mean values for weanlings and adolescents, all comparisons of group means were significantly different. Regression models were developed to estimate serum C3 concentration in neonates as a function of litter size, birth weight, and total serum IgG concentration. Increases in birth weight and litter size were accompanied by increased serum C3 concentration, possibly reflecting ontogenic variation of the complement system at the end of gestation. Passive transfer of colostral immunoglobulins, as measured by total serum IgG concentration, was inversely related to serum C3 concentration in neonatal swine, suggesting that colostral absorption of C3 has minimal impact on complement activity in neonatal swine.

Original languageEnglish (US)
Pages (from-to)1104-1106
Number of pages3
JournalAmerican Journal of Veterinary Research
Volume49
Issue number7
StatePublished - Jul 1988

Fingerprint

complement
Swine
swine
Serum
weanlings
litter size
birth weight
neonates
Litter Size
Birth Weight
immunoglobulins
Immunoglobulin G
pregnancy
Newborn Infant
Complement C3
Immunodiffusion
Immunoglobulins
Age Groups
Pregnancy

ASJC Scopus subject areas

  • veterinary(all)

Cite this

Age-related variations in serum concentrations of the third component of complement in swine. / Tyler, J. W.; Cullor, James S; Osburn, Bennie; Parker, K.

In: American Journal of Veterinary Research, Vol. 49, No. 7, 07.1988, p. 1104-1106.

Research output: Contribution to journalArticle

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