Sudan Grass. 19 17 of the cows became sick and some of them died. Such experiences show plainly that, notwithstanding the comparative safety of Sudan grass as pasture, care must he used in pasturing it with cattle, especially in the Northern States.

Several facts in regard to prussic-acid poisoning should bo kept in mind by the grower of Sudan grass.

FIG. 9.—COWS pasturing on Irrigated Sudan grass at Bard, Calif.

(1) Tho formation of prusaic acid is most frequent in Sudan grass that has been injured by drought or other unfavorable climatic conditions.

(2) Hogs can bo pastarod on Sudan grasa in safety, and horses and sheep are loss suscoptiblo to tho poison than cattle.

(3) No case of Sudan grass poisoning has been reported from tho Southern States. North of Oklahoma care must bo exercised in pasturing Sudan grass with cattle.

(4) The poison acts quickly and no sure remedy for it has been found. Doses of glucose or other sweet sirups relieve the animal in some cases. Soda and dilute vinegar used as a drench while tho mixture is foaming has also been recommended.