STUDIES ON FACTORS INFLUENCING THE HEALTH OF PIGS: I. THE RELATIONSHIP OF BLOOD HAEMOGLOBIN CONCENTRATIONS TO RATE OF GAIN IN SUCKLING PIGS

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Abstract
The trends of blood haemoglobin concentrations in suckling pigs in a herd in which clinical anaemia does not occur have been studied and compared to rates of gain in body weight.Ferrous sulphate and reduced iron were then used to keep the haemoglobin concentrations at higher levels, and statistical analysis of the observations snowed a significant difference in body weight at weaning time between the treated and control groups.The results indicate that pigs should be provided with a source of iron within a day or two after birth in order to ensure normal development and, possibly, resistance to disease.Work on this and other possible factors in disease resistance is being continued.

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