Rg. Dasilva et Fr. Minomo, CIRCADIAN AND SEASONAL-VARIATION OF THE BODY-TEMPERATURE OF SHEEP IN A TROPICAL ENVIRONMENT, International journal of biometeorology, 39(2), 1995, pp. 69-73
Nychthemeral and annual rhythms of the rectal temperature were determi
ned for Corriedale sheep in a tropical climate. The minimum rectal tem
perature averaged 39.55 degrees C at 0500 hours in summer, and 38.87 d
egrees C at 0600 hours in winter. The maximum was 40.03 degrees C in s
ummer (1700 hours) and 39.33 degrees C in winter (1830 hours). Annual
cycle of the rectal temperature showed a minimum in July and maximum i
n December.