A zinc deficiency can negatively impact your levels of testosterone. Studies have shown that zinc supplementation can help increase testosterone levels. Zinc supplements, oysters, beef, pork, crab and fortified cereals offer great sources of this mineral.
Do not breed unless you own healthy animals with excellent breed characteristics, and you are very committed to these kittens preferably for their lifetime. For each home you find for your kittens, there is a kitten at the shelter being euthanized. Age at breeding. A female cat should be allowed to attain her adult size before breeding. If bred early, she will put her energy into feeding the unborn/newborn kittens instead of finishing her growth. She will be 18-24 months old before she is ready for breeding. A male should be 18 months of age prior to being allowed to breed. This allows time to determine if he is healthy and suitable for breeding. Temperaments are passed to the offspring as are genetic diseases.
Both sexes can start breeding at 6 weeks of age and continue until they are about 12 months old. A females first litter often produces a smaller number of babies, as do those from female over 9 months of age. Breeding mice is an easy business as long as you remember one simple rule.That is ONLY ONE MALE TO A CAGE. have found that 2 to 4 females to one male in a standard mouse cage works fine. How many young they produce depends on their environment and breed of mice. Most pet shop mice produce small litters of about 3 to 12 babies. There are some laboratory breeds of mice that produce litters of up to 25 babies every 28 days.