Seasonal Differences of Onions. 1  Available in yellow, red, and white from March through August. 2  Can be identified by their thin, lighter-colored skin. 3  Typically higher in water content, which reduces their shelf-life and makes them more susceptible to bruising. 4  Range in flavor from sweet to mild.
When a domesticated mare foals, she nurses the foal for at least four to six months before it is weaned, though mares in the wild may allow a foal to nurse for up to a year. The estrous cycle, also known as season or heat of a mare occurs roughly every 19â22 days and occurs from early spring into autumn. As the days shorten, most mares enter an anestrus period during the winter and thus do not cycle in this period.
She does not cycle all year long and does not accept the stallion when she is not in heat. In this article Robert N. Oglesby, DVM, explains how mares cycle. Realize that what we see as breeding managers are the behavioral aspects of the reproductive cycle which vary tremendously from mare to mare.his is variable from mare to mare and even in the same mare during different times of the year. Towards the beginning and end of the breeding season mares are in heat longer. Fairly constant is that mares go out of heat 24 to 48 hours after ovulation. This is very important to remember if you breed horses.