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Horse Vitals and Other Information


TEMPERATURE (rectal)

Normal 99.5 F 101.5 F
Average 100.5 F
Fever-Mild 100.5 F 102.5 F
Fever-Moderate 102.5 F 104.0 F
Fever-High 104.0 F 106.5 F
Fever-Very High Above 106.5 F


RESPIRATION RATE

At Rest
Normal Range 8 - 16 breaths per minute
Normal Average 12 breaths per minute 

PULSE RATE

Normal - Resting
Mature Horses 30 - 40 pulses per minute
Foals up to 2 weeks 100 pulses per minute
Foals 4 weeks 70 pulses per minute
Foals 6 - 12 months 45 - 60 pulses per minute
2 years old 40 - 50 pulses per minute

NORMAL RANGES OF REPRODUCTIVE PHENOMENA

Age at Puberty 10 - 24 months (18 months is average)
Length of Estrus 
Cycle
(From beginning of one heat period to beginning of next):  
19 - 23 days (21 days is average).
Length of Heat Period (Estrus) 4.5 - 7.5 days (5.5 days is average).
Time of Ovulation 1 - 2 days before end of estrus.
Optimum Time for 
Service
3 - 4 days before end of estrus.  Service every other day starting on second day of estrus; usually assures services at optimum time.
Length of Pregnancy 330 - 345 days (336 days is average).