My American pit bull got into heat at ten months when should expect her to go again
Yorkies typically have heat cycles around every 6-8 months, but this can vary between individual dogs. Each heat cycle can last about 2-3 weeks.
It would have two cycles a year like any normal dog.
In the cold months many mares show no signs of heat. But as the days grow longer and the temperature climbs mares have more obvious signs of heat. Every mare is different but they have a cycle about once every 4 to 6 weeks on average. Some mares have cycles closer together, some not as often. If the mare is bred and becomes pregnant she will have no more heat cycles until what is called 'foal heat' after her foal is born.
Typically twice a year. The heat cycle for most dogs is between 6-8 months and can last from 2 - 4 weeks at a time. They can have their 1st season as early as 6 months old.
The duration of pregnancy in the domestic pig is between 112 and 115 days.
Including the start and end months in the calculation, there are 7 months between the two months.
between 12½ months & 13 months
It varies from one person to another. Interval between cycles can be many years to multiple cycles in a single day.
9 months
Most mares will come into heat every 21 days. Usually 21 days after the day the mare first comes into heat, she will start into heat again, but some mares vary anywhere from 18 to 31 days in their heat cycles. Heat periods are generally longer earlier in the breeding season and many older mares have longer than average heat cycles. The period of time when the mare is fertile and can conceive a foal generally only occurs 24 to 48 hours before the mare goes out of heat.
Four months are between December and April.
Many go into heat aroung 8-12 months.