This course is to study the effect of high temperature on animal production, and how to solve the problems. Its contents included: animal production problems in tropics; definition of environment; definition of temperature; the effect of temperature on physiology; the effect of temperature on nutrient metabolism; the effect of high temperature on pigs; the effect of high temperature on cattle; the effect of high temperature on sheep and goat; the effect of high temperature on breed chicken; the effect of high temperature on broiler; the effect of high temperature on layer; the effect of high temperature on other animal; the effect of high temperature on forage grass; and conclusion.