Page:Australia, from Port Macquarie to Moreton Bay.djvu/177

 stock also is supposed to be disposed of yearly, as they attain the age of four years; a sufficient number of young cows, being, however, retained each year to allow for the assumed yearly loss from disease, &c. in the original number.

Retaining 12 young cows to replace the supposed loss from disease among the original 350 cows, we shall have to dispose of, at the expiration of the first year, 194 — 12 = 182 four-year old beasts, which at £2. each, will be worth £364.

Retaining 12 cows as before, we shall have to dispose of at the expiration of the second year, 188 — 12 = 176 four-year old beasts, which at £2. each, will be worth £352.