THE MEDICINAL AND POISONOUS PLANTS OF SOUTHERN AFRICA.?By Professor J. M. Watt, m.tj., ch.B. (Edin.), and M. G. Bpeyer-Brandwijk, Phil, docta (Utrecht), Apotheker (Utrecht). Edinburgh: E. & S. Livingstone, 1932. Pp. xx plus 314. Illustrated. Price, Rs. 18-12. Obtainable from Butterworth and Co. (India), Ltd., Calcutta. The study of the indigenous drugs of ancient civilizations has attracted sci...

Animals can be trained to avoid eating specific foods by offering them the food and subsequently administering an emtic to induce nausea. The animal associates the taste of the food with the induced illness and subsequently avoids eating that food. Conditioned food aversion (CFA) is a potential tool to prevent livestock poisoning from palatable and abundant poisonous plants. Cattle have been tr...