One hundred Holstein cows which were recumbent with parturient paresis were treated with either a calcium, phosphorus, magnesium, dextrose preparation (CADEX) or calcium borogluconate. Treatments were either injected intravenously (500 ml) or intravenously (500 ml) and subcutaneously (500 ml). Overall relapse rate was 22%; the lowest rate (4%) occurred in cows injected with CADEX i/v and s/c and the highest rate 40% was in cows injected i/v with calcium borogluconate. Increase in levels of serum calcium and inorganic phosphorus after 12 h was higher in cows injected s/c and i/v than i/v, but by 48 h levels were higher in cows injected i/v only. There was no evidence that addition of phosphorous to the treatment increased serum inorganic phosphorus or was beneficial in preventing relapse.

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