J. Anim Sci.
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J. Anim Sci. 1968. 27:712-717.
© 1968 American Society of Animal Science
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Effect of Iron on Hematology and Growth of Calves1

S. M. Getty2, C. C. Beck2, L. D. Brown3, G. H. Connor2, D. J. Ellis2 and E. R. Miller4

Michigan State University, East Lansing

Abstract

An experiment involving 45 calves was conducted to study the effects of iron on the hematological values and growth weights of Holstein calves. Calves which received iron showed no statistically significant difference in bodyweight gains when compared to calves receiving no iron. A difference in total weight gains was seen depending on the iron treatment.

Calves which received iron supplement, either oral or intramuscular, showed statistically significant increases in hemoglobin levels and packed cell volumes as compared to calves receiving no iron. Iron supplementation, administered either orally or intramuscularly, quickly raised and maintained serum iron levels at a significantly higher level in the young calf in this study.

A gradual and uniform increase in reticulocyte response was observed in the calves which received oral iron. Calves which received injectable iron exhibited a rapid and marked increase in reticulocytes which was sustained, however, only during the treatment period. The physiological anemia characteristic of most mammals was not observed in calves on a whole milk diet when an iron supplement was employed.

Footnotes

1 Technical Paper No. 3896 from the Michigan Agricultural Experiment Station.

2 Department of Veterinary Surgery and Medicine.

3 Present address: Western Kentucky University, Bowling Green.

4 Department of Animal Husbandry.






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Copyright © 1968 by the American Society of Animal Science.