Short answers, pulled from the story.
The goat was domesticated in Iran around 10,000 years ago, making it one of the first animals humans ever domesticated. The earliest remnants of domesticated goats were found at Ganj Dareh in Iran, and DNA evidence supports a date of roughly 10,000 years.
The domestic goat descends from the wild bezoar ibex, found today in the Zagros Mountains but formerly widespread in Anatolia. Genetic analysis confirms it as the likely ancestor of all or most domestic goats alive today.
There were more than 1.1 billion goats living in the world in 2022, of which 150 million were in India. India was also the top producer of goat milk that year, at 6.25 million metric tons.
Goats are used for milk, meat, wool, and skins, and goat milk is often turned into cheese. They are also used to clear unwanted vegetation through conservation grazing, kept as pets, and used by some militaries to train combat medics.
Goats and sheep are separate species in the subfamily Caprinae, so hybrids rarely occur and are always infertile. Goats have beards while sheep have a divided upper lip, goat tails are held upward while sheep tails hang down, and buck goats develop a strong odor during the rut that rams do not.
The word scapegoat comes from the Yom Kippur ritual in which two goats were chosen by lot, one sacrificed and the other driven into the wilderness carrying the community's sins. The goat is also depicted as the devil in the form of Baphomet, whose goat head appears in the inverted pentagram that originated with the Church of Satan.
Goats typically live between 15 and 18 years, and one instance of a goat reaching 24 has been reported. Problems during kidding can lower a doe's life span to 10 or 11, and the stresses of the rut can lower a buck's to eight to 10 years.