If it is necessary to avoid milk, there are many other food sources of calcium which do not cause allergic reactions. (whfoods.org)
If any one powder is low in some amino acids, though, these can easily be gotten from other food sources. (blog.nkdnutrition.com)
If there are more than that number the colony will discourage newcomers and some of the current members may look for other food sources, neighboring houses etc. that have food to offer. (pawsmauritius.org)