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Electrocardiographic evaluation of potassium deficiency in young swine

, : Electrocardiographic evaluation of potassium deficiency in young swine. Journal of Animal Science 25(1): 203-206

Three experiments, each involving a litter of 8 pigs 14 or 21 days old, were conducted to evaluate the use of ecg to detect early development of K deficiency. The deficient animals received a diet containing 0.007% K, while the control animals received the same diet plus 0.25% supplemental K as K2CO3. Electrocardiograms were recorded twice weekly on tranquilized pigs. Pigs receiving the deficient diet showed ecg abnormalities by 2 wk, including reduced heart rate, increased wave intervals and deformation of the QRS complex. Control pigs pair fed as pigs on the deficient diet exhibited a lesser reduction in heart rate. Control pigs receiving adequate diet ad libitum showed little change in ecg over the 4-wk. experimental period.


PMID: 5948336

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