J. Anim Sci.
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J. Anim Sci. 1971. 32:895-899.
© 1971 American Society of Animal Science
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Plasma Carbohydrate Levels in the Neonatal Pig1

J. E. Pettigrew, Jr.2, Dean R. Zimmerman and R. C. Ewan

Iowa Agriculture and Home Economics Experiment Station, Ames 500103

Abstract

Plasma fructose concentration in pigs was high (54 mg/100 ml) at birth and decreased until no measurable amounts were found at 32 hr. of age. There was a sharp increase in plasma glucose level from birth to 2 hr. of age, with a subsequent decrease to 32 hours. The plasma lactate concentration at birth averaged 79 mg/100 milliliters. There was a positive relationship between birth weight of pigs and subsequent body weights, weight gains and survival. Fructose level at birth was negatively related to performance and glucose level at 32 hr. of age was positively related to performance. The component of total reducing substances not accounted for by glucose and fructose was referred to as residual reducing substances. Concentration of this component in plasma was positively related to performance. At a given time, this component had a positive correlation with fructose level. Plasma lactate level at birth was positively related to plasma glucose level at birth and negatively correlated with birth weight, but apparently was not related to subsequent performance. The factors related most closely to weight gains and survival were fructose at birth, residual reducing substances at birth and at 32 hr. of age, birth weight and glucose at 32 hours. The fructose level was negatively related to performance but the other factors were positively related to it.

Footnotes

1 Journal Paper No. J-6639 of the Iowa Agriculture and Home Economics Experiment Station. Ames, Project No. 1784.

2 Presented address: Pvt. James E. Pettigrew, 322-38-4589, Animal Assessment Div. USAMRID, Bldg. 1430, Ft. Detrick, Frederick, Maryland 21701.

3 Department of Animal Science.






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