no, Nubian goats usually grow their horns in after birth, which I imagine is quite beneficial for the mother goat.
what is a nubian goats size
Milk
Nubian doe goats, on average, measure 2.657 feet in height. For bucks, the average is 3.084 feet. The Anglo-Nubian breed comes from England.
Yes
No domesticated goats do not lose their horns. Some farmers disbud their goats when they are little kids so that the horns do not grow. There are also some goats that are born hornless due to a poll gene.
Straw or hay
No. goats are a different specie's.
most goats and sheep can reproduce at about 9 months
Some goats use they're horns for sexual intercourse with other female goats, believe it or not this is 100% and COMPLETELY TRUE!
Pasture, hay, vegetation
No they have a dental pad