Breeding & Raising Baby Hamsters

Word of Caution about Breeding Hamsters

Why You Shouldn’t Breed Your Hamsters

  • Pet stores only buy from a very limited number of reputable breeders
  • Female hamsters can have a litter of 4 to as many as 15 babies.
  • You might end up with offspring that have genetic defects or mental illnesses

Litter Sizes

If you want a new hobby and are considering breeding babies, realize that female hamsters can have a litter of 4 to as many as 15 pups. Do you have enough space to take care of a hamster litter of babies when they grow into mature adults? Do you have a handful of friends or family that are willing to take a baby? Additionally, if you don’t separate the males from the female ones, or, completely separate them if they are Syrian hamsters, after 40 days they too will begin breeding.

Caring for Baby Hamsters
Litter Sizes Per Breed Type:

  • Syrian: 4-12
  • Campbell’s: 8
  • Winter White: 4-6
  • Roborovski: 3-5
  • Chinese: 4-5

Selling

selling hamsters

Before you consider breeding your hamsters, stop and consider the follow. Whether you want to breed them for your own enjoyment or to sell the babies for supplemental income, there are a lot of logistic and barriers to entry. First and foremost, forget about breeding with the thought of selling to pet stores or even online; it’s very unlikely that you will be able to sell them fast enough and there’s little to no chance of selling them to your local pet store. Pet stores only buy from a very limited number of reputable breeders. There are also likely laws regarding the sale of hamsters in your your state or province.



Birth Defects

Finally, if you don’t know what types you should breed with each other, you might end up with newborns that have genetic defects. These babies can be eyeless, toothless and will likely die within two weeks after their birth. Both dwarf breeds and Syrians can have offspring with genetic or mental illnesses.
Genetic Defects and Mental Illnesses:

  • If you breed two Campbell’s with the mottled gene, they have ruby red eyes and pinto like markings, you will get infants that are all white, eyeless, possibly toothless and will die in a matter of two weeks.
  • A Syrian that is roan in color with a white belly has the recessive anophthalmic gene. If you mate two of these together, you will get all white newborns that are eyeless and will die in a matter of two weeks.
  • When you pair two hamsters that are closely related (small gene pool), you might get babies that have mental illnesses. These OCD like behaviors include repetitive actions like constantly pacing back-and-forth or uncontrollable back-flips.

Newborn hamsters are naked and blind at birth and will depend fully on their mother to survive for the first three weeks.

White Hamster with Red Eyes


Breeding Babies

In the wild, the mating season is between spring to early fall. In captivity, the artificial lighting may allow them breed year around. During the mating season, males will seek out willing females. When a female is in estrus and she is willing, she will go into the lordosis; mating will then occur. Females are ready to mate for a 12 hour period every four days. When mating occurs, it’s very brief and shortly afterwards, the female (syrian breeds) will become aggressive to the male. This is why you should only place a male Syrians in with a female counterpart for a short time. If they don’t mate before 15-30 min, it won’t happen and you should separate the pair.

Word of Caution about Breeding Hamsters

The birthing process happens in about one to two hour with a baby coming ever fifteen to thirty minutes. After each one is born, the mother will lick it clean. However, if she feels a threat, she will likely eat her babies. This behavior known as kronismus, is a typical defense mechanism.

This is why it’s so very important to leave the mother and her nest alone during the first week or so after giving birth. Do your very best to keep it quiet in the room where your cage is at and only go into the cage to fill the food dish and water bottle. We suggest stocking it up so you don’t have to fill these for several days.

The gestation period, the time from mating to birth is extremely short; 16 days for Golden Syrians, and 18-20 for dwarf types. During this time the mother will begin eating (need) a lot of protein hamster foods as well as collecting soft bedding and build a birthing nest.

care for a baby hamster

Only the mother Syrian will take care of her young but male dwarfs, especially robo dwarf hamsters will help keep the young hamsters warm when the mom is away.

Raising Baby Hamsters

Day 1: Infants are naked, blind, weigh less than two grams and very vulnerable. They will begin to nurse immediately.

Day 4: They will have doubled in weight, their fur will become visible and their ear canals will begin to open.

Day 6: At this time the week old will begin to crawl around the cage.

Day 10: They begin to blindly crawl out of the nest and start snacking on solid foods

Week 2: The eyes of the hamsters will now be open and the youngster will be able to see fully

Month 3: The mom will nurse her young for up to the third month and then begin to lose interest.

Month 4: At this time the mom will abandon them but still tolerate them in her habitat for a short while longer.

Note: 40 days after birth, a young hamster is now sexually mature and able to reproduce.

breeding hamster babies
how to care for new baby hamsters

Orphaned or Abandoned

Usually a mother will have maternal instinct and allow this to happen. However, sometimes a mom will ignore her kids and leave the nest. She may return to eat them later. If you find that your mother is not going to be a good mom, you might need to find a surrogate or hand raise them yourself.

Hand raising newborns is extremely difficult and you should consult a vet or specialist on how to be successful at this. It will require a special baby formula, a tiny syringe and the ability to feed them at every hour of the day and night. It’s better if you can get another female to raise these abandoned kids. This is not easy either. If a mom smells a pup that is not hers, she will eat it. Your best bet is to first clean the baby hamsters to remove the scent of their old nest and then cover them in the other mother’s nesting material to mask the scent. Next lure the mother out with a treat and carefully place the orphaned pups into the surrogates nest. Let them take on the scent of her offspring for as long as you can keep the mother busy. It’s hit or miss if the mom will accept the other pips. Adding more than one or two abandoned babies will make the chances for success even lower.

Baby Hamster Pictures By: 95129912@N00, hapinachu and badlydrawn

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