National Geographic : 1903 May
HARROWING A FIELD FOR RICE. No. Io. - Plowing the rice fields is too heavy work for the small Filipino pony, so the carabao istheonly animal available for this purpose in the Philippines. The carabao has not, however, the strength and endurance one would expect from ananimal of such huge bulk. If pushed too hard, he is apt to collapse and die of the heat.