Scientific name: Equus cabalus
Maximum life span: 38 yrs
Average height at withers: 15.2 hands (62”)
Body wt. at maturity :
1. Light horses- 900- 1200 lbs (400-500 kg)
2. Heavy horses- 1600 lbs (700 kgs)
3. Pony horses- 300-800 lbs (125-350 kgs)
Daily faecal output- 13-23 kg
Daily urine output- 5-8 ml/ kg, 3-7 liters. Urine is turbid because of calcium carbonate crystals and syrupy because of mucus glands in pelvis and ureters.
Heart rate- 25-40/ min
Temperature- 38±0.5°C
Respiration rate- 8-12 /min
Reproduction
Onset of puberty- 10-24 months
Average age of first service in mare- 2-3 yrs
Length of estrus cycle- 21 days (19-23 days)
Length of estrus- 5 days (4-6 days)
Gestation period- 336 days (323-341 days)
Onset of puberty in stallion- 18 months
Haematology
Total RBCs- 10 x 106 / cmm
Diameter of RBC- 5.5 ยต
Life span of RBC- 140 – 150 days
Erythrocyte Sedimentation Rate (ESR) – 2-10 mm/10 mins
15- 18mm /20 mins
Hb- 13-15 gm%
Blood volume- 8% of body weight (3.2 liter/400 kg)
Total WBCs- 8000-11000 / cmm
DLC-
Neutrophils- 50-60%
Lymphocytes- 30-40%
Monocytes- 5-6%
Eosinophils- 2-5%
Basophils- <1%
