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.
How old does a dog have to be before it can breed? A female dog is bred for the first time during her second heat cycle or after, provided that she is no older than 12 years of age. A male dog is ready to breed by about 15 months of age.