A cow spontaneously affected with ketosis of digestive type before parturition was injected with a mixture of glucose and magnesium sulfate and cured in 4days. Another cow found on the 4th day after her 5th parturition to have been affected with the same type of ketosis was injected intravenously with a mixture of 200g of glucose and 10g of MgSO4 daily for 2 consecutive days. She was cured eventu ally. Moreover, 13 cows with ketosis were injected with the same mixture. All of them, but one, were cured in 2-7days (4.3days on the average), without suffering from recurrence. The average serum magnesium level was 1.80mEq/l at the time of clinical affection and 2.07mEq/l after recovery.
A syringe with no needle was used for inoculation with hog cholera live vaccine. In a basic experiment, India ink was injected successfully by this syringe into subcutaneous tissue or muscle at the root of the ear or in the medial portion of the thigh. In an experiment with viral material, there was no difference in production or change in neutralizing antiobody minimum infective dose, or the time of establishment of prevention against infection between the needleless syringe and the conventional one with a needle. There was no difference either between the two types of syringes in the results of field trials.