This is all very dependent on soil quality and type, location, terrain/topography, the grass or legume species within that pasture, and how that pasture is grazed.
That really depends on the size of the cattle. Some stocker cattle operations are able to maintain one yearling stocker per acre of pasture.
It requires 1,273 pounds of feed to produce a lamb
The amount of food produced per acre of land can vary widely depending on the type of crop being grown, soil quality, climate, and farming practices. On average, one acre of land can produce enough food to feed several people for a year, but the exact amount will depend on the specific crop being grown.
It requires 50 pounds of feed to produce a hundred eggs
It depends on how much the horse is ridden, and whether or not the horse lives in a pasture, stall, or has limited turn-out.
It requires 629 pounds of feed to produce a hundred pounds of pork
It requires 261 pounds of feed to produce a hundred pounds of poultry
It requires 88 pounds of feed to produce 100 pounds of milk
apples
This really depends on the type of goat, its age, its stage of production, the type of pasture you have, the amount of rainfall you have in your area for pasture growth and the carrying capacity of your land - it will be different for different areas but it is recommended to not have more than 8 DSE for parasite control.
A typical Jersey would produce around 15 kg (~4 gal.) of milk per day on good feed and pasture. A typical Jersey cow will produce 5000 kg per year (or 1319 gal per year).
if you pasture the horse, than at least one acre, if you stable it, than basically enough for the stable and a place to ride the horse/ exercize it