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Supplemental Iron for the Artifically Reared Piglet¹

University of Nebraska^,3, North Plane Station North Platte 69101

Abstract

Weight gain and hemoglobin values were obtained from 102 pigs, weaned within 12 hr after birth, through 53 days of age. This study was conducted to determine the effect of an iron dextran injection on performance and hemoglobin levels of piglets fed individually in a mechanical feeder from 12 hr to 23 days of age. The animals were divided into two treatment groups at 4 to 5 days of age. One group received 100 mg of supplemental iron in the form of injectable iron dextran. The other group received no supplemental source of iron. Both groups received the same diet throughout the study. The supplemental iron injection did not provide a significant (P < .05) response in weight gain for any of the sampling periods. There were some indications in body weight gain that the males responded better to the iron injection than did the females. At 16, 23 and 30 days of age, the hemoglobin value of the supplemental iron group was significantly (P < .05) increased. At 38 days of age, the hemoglobin levels of the treatment groups did not indicate significant difference. In the non-supplemented pigs at 30 days of age, females had significantly (P < .05) greater hemoglobin values than males. Although all hemoglobin levels were in a normal range, the supplemental iron increased hemoglobin levels at the earlier ages. This study indicated the additional iron treatment did not increase the weight gain of the early weaned pigs.

¹ Published as Paper Number 3771, Journal Series, Nebraska Agricultural Experiment Station.

² Present address is Department of Animal Science, Washington State University, Pullman 99163.

³ Department of Animal Science. Acknowledgement is made to James F. Karn for assistance with the conduct and analysis of the research.

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