When a stallion is used for pasture breeding, we know that a stallion will mate much more than 2 or 3 times per day.
Sperm numbers per breeding will thus go down dramatically when multiple mares are in heat on any day.
How many times can a horse mate in a day?
Yes Dee, a stallion with experience and is older than two in most cases, } should be able to handle 2-4 mares a day , providing that they were spreed out a bit throughout the day. Don’t expect him to recover and breed every half hour with successful rates of conception.
How many times should you serve a mare?
Stallions should usually not mate more than three times a day, McGladdery says, to help prevent fatigue and reduced semen quality. So for many breeders, especially in the Thoroughbred market, that means the mare gets bred just once per cycle.
How many mares can a stallion breed in one year?
Decades ago the typical number of mares a stallion might cover per annum was in the range of 40 to 50; during the explosion in breeding numbers in the 80′ and 90’s this number escalated to 150 to 160 and in today’s realm of the breeding shed covering as many as 200 mares is not uncommon.
How much sperm does a horse release?
The first ejaculate contained an extremely high number of sperm (60.8 billion) and it was not until the 5th ejaculate that numbers were in the normal range (8.4 billion). This horse had a history of settling mares when pasture bred where he ejaculated frequently but fertility was low when he was hand mated.