Horse: Main reproduction features and traits of the horse (breeding season, raising foals)

Question 1

Equine puberty age

Answer 1

16-18 months

Question 2

Equine full sexual maturity age

Answer 2

3-5 years

Question 3

How many offspring do horses give birth to?

Answer 3

1 (Uniparous)

Question 4

Horses have a … reproductive potential

Answer 4

Low

Question 5

Summarise the oestrus cycle of the horse

Answer 5

• Seasonally polyestrous
• 20-21 days
• Long day breeder (Feb-Aug)
• Biphasic luteal phase

Exc.: Camargue horse

Question 6

Summarise the offspring mortality rate of horse

Answer 6

Frequent miscarriages

Question 7

Summarise the pregnancy rate of horses

Answer 7

Low pregnancy rate

Question 8

When is a mare most fertile?

Answer 8

March - June

Question 9

Horse: in the last day of heat, the horse may present spontaneous…

Answer 9

Ovulation (4^th/5^th day)

Question 10

Twin ovulations in horse usually lead to…

Answer 10

Resorption/abortion

Question 11

In equine, persistent corpus luteum can cause…

Answer 11

Anoestrus

Question 12

Heat can be induced in mares with…

Answer 12

A mature corpus luteum

Question 13

How long is a horse in heat for?

Answer 13

3-5 days

Question 14

When is a foal in heat?

Answer 14

9th day after foaling (with 50% fertility)

Question 15

Signs of season in horse

Answer 15

• Frequent urination
• Mucous discharge

Question 16

Equine gestation period

Answer 16

336 days