A putto is often called a cherub (plural cherubs) although unlike the Biblical cherub (plural cherubim) in form and symbolism: cherubim have four faces of different species and several pairs of wings, and are sacred, whereas putti are secular and represent a non-religious passion.
teaser stallion. stallion used to detect those mares which are in estrus. During the breeding season those mares to be bred are brought into a crush and the teaser brought alongside. The mares that show estral signs are kept back, usually palpated per rectum to determine the state of their ovaries, and may be bred.
Mares can be covered, however the important factor of sperm/ejaculation is the overriding determiner of fertility. If the young stallion is used frequently, there will not be enough sperm available per ejaculation and his rate for settling mares will be sub-standard.