Normal Rectal Temperature Ranges

Species

°C

°F

Cat

38.1–39.2

100.5–102.5

Dog

37.5–39.2

99.5–102.5

Horse

Mare

37.3–38.2

99.1–100.8

Stallion

37.2–38.1

99.0–100.6

Rabbit

38.6–40.1

101.5–104.2

Cattle

Beef cow

36.7–39.1

98.0–102.4

Dairy cow

38.0–39.3

100.4–102.8

Sheep

38.3–39.9

100.9–103.8

Goat

38.5–39.7

101.3–103.5

Pig

38.7–39.8

101.6–103.6

Chicken (daylight)

40.6–43.0

105.0–109.4

Adapted from Robertshaw D. Temperature Regulation and Thermal Environment, in Dukes' Physiology of Domestic Animals, 12th ed., Reece WO, Ed. Copyright 2004, Cornell University Press.