No, they will always have the same set of horns throughout their life.. No, they keep them for the life of the animal. they grow from the base, and any breakage will remain with them for their life. same way for any 'horned' animal with the one exception of the pronghorn, which does shed the outer portion of their horn annually.. Cattle, sheep, and goats keep and grow their horns, which are made of bone and keratin. but members of the deer family�including its biggest member, the moose�annually shed their antlers.
They grow horns that shed annually unlike other species that grow horns that get larger each year like bighorn sheep and mt. goats. horns are different than antlers. horns are made from a keratinous sheath that grows from a core of live bone tissue.. In wild sheep, both rams and ewes have horns, while in domestic sheep (depending upon breed) horns may be present in both rams and ewes, in rams only, or in neither. rams' horns may be very large � those of a mature bighorn ram can weigh 14 kg (31 lb) � as much as the bones of the rest of its body put together.. The horns are never shed and continue to grow throughout the sheep�s life span of eleven to fourteen years. the growth is slight during the later years. (unlike horns, antlers are shed annually, such as those of moose and caribou). horn growth takes place during the summer when food is highly nutritious..
