The National Heart Lung and Blood Association reports that 500 mg is a safe daily minimum intake of sodium. This amount will be enough to maintain the bodily functions that require sodium. In an average temperate climate, a normal adult may be able to thrive with as little as 115 mg of sodium each day.
When mature, bucks weigh from 8-10 pounds and females from 9-12 pounds. New Zealand rabbits are ready to slaughter as fryers after just 2 months. Their average litter size is 8-10 bunnies.
There are many reasons why you might get a very small litter ranging from reproductive issues in sire or dam, underlying health issues in the dam, or timing of the breeding. Average Aussie litter size is about 6-7 pups.