It depends if you (or the market you wish to supply) is lactose intolerant, if not, Holstein cows are the best producers of milk. Saanen goats are the highest producing goats and people with digestive problems related to milk consumption can usually digest goat milk with little or no problems. I do not know anything about milking sheep though, sorry for not being any help on the latter. Other things you should consider if you are wishing to purchase cows for milk would be if quota is required to sell the milk later (It is in some countries and may cost more than you would expect), and how much feed and water they consume (it may surprise you) hope this helps
I raise cows and goats but have no experience whatsoever with sheep
Milk of either cow, goat, sheep or buffalo.
Feta is a brined curd sheep's milk, with up to 30% goat's milk, cheese. Feta is salted and cured in a brine solution (based on water or whey) for several months. Once dry, it is white, crumbles easily, and has a tangy, salty flavor that can range from mild to sharp.
goat & cow's milk
It takes less animals to produce more milk with a cow-based dairy than a sheep- or goat-based dairy. One dairy cow will produce more milk over a period of time than one goat or sheep.
No, cheese is produced from milk, usually milk from the cow, sheep, goat or buffalo.
Yoghurt is made from milk - some countries make yoghurt from cow, sheep, goat and even camel's milk.
horse milk sheep milk In Google you can find many references to milk and milk products and their safety, by entering "milk for human consumption". Doing this I found that not only cow and goat milk are safe, but also sheep's milk and mare's milk are safe and available, but not widely.
Mainly cow milk with a little salt and rennet.
Most kids who are allergic to cow's milk also react to goat's milk and sheep's calcium and other vital nutrients to replace what you were getting from dairy products.
goat milk
Don't you know that "mother dairy milk" and cow's milk are the same thing? Everyone associates "dairy" with cows, unless otherwise specified like goats or sheep or camels.
They used both goat and cow milk in the cheese.