Can a Feminine Cat’s Litter Come from Completely different Male Cats? The Stunning Reply!

Final Up to date on: October 31, 2022 by Crystal Uys

mother cat with differently colored kittens

The coat and eye colour in kittens are decided by genetics, however how is that this doable when a mom cat has produced a litter of kittens with completely different coat colours and lengths? If one kitten is black and the opposite is ginger, however the mom is a Siamese cat, how might they’ve acquired their appears by way of genetics? In the event you’ve ever questioned about this, I’ve the reply for you!

Properly, the mom isn’t the one genetic contributor, and feminine cats can mate with a number of tomcats earlier than their eggs are launched and fertilized, leading to completely different fathers and completely different genetic contributors. So the quick (and engaging!) reply is that sure, a feminine cat’s litter can come from completely different male cats! Let’s be taught extra about this:

What’s Superfecundation and How Does It Work?

Superfecundation is when greater than two ova are fertilized by completely different males inside the identical warmth cycle of a cat or different animal, which leads to conception.

An unspayed cat goes into warmth each two to a few weeks and is fertile between 1 to 10 days. There can be many indicators to point that your cat is in warmth as they’ll turn into extra affectionate, demanding, and vocal. She’ll additionally turn into stressed, groom excessively, and wish to roam.

Simply as clear because the indicators can be for you when your cat has gone into warmth, they’ll be for tomcats as your queen will launch pheromones off their physique and of their urine that instinctively communicates that she’s able to mate.

When a free-roaming unspayed feminine cat is able to mate, she’s going to – and with a number of male cats. Nevertheless, cats solely ovulate round 20 to 50 hours after they’ve mated. By this time, a feminine cat will have already got the sperm wanted for fertilization of their reproductive tract, and if she mates with a number of males, they are going to all have an opportunity at fertilizing a number of eggs.

If the fertilization of two or extra eggs from two or extra male cats is profitable, superfecundation has occurred, and the litter can be made up of kittens which will look fully completely different from each other as a result of they’ve completely different fathers.

Superfecundation can even happen in canines, sheep, rodents, and cows. Though extraordinarily uncommon, it does generally happen in people.

a pregnant cat lying on wooden table
Picture Credit score: Boy67, Shutterstock

Does Superfecundation Produce A number of Litters?

As an egg is fertilized, it’ll comply with the pure path from the ovaries to the uterus, the place it’ll connect to the liner. If a queen mates once more, and completely different sperm fertilizes one other egg throughout her fertile window, that egg will even comply with the pure path into the uterus. The extra a cat mates, the extra eggs that can be launched.

These completely different fertilized and implanted eggs will develop on the identical time over the following 65 days or so – although they’re separate litters. Though from separate litters and separate fathers, they’ll be born collectively on the identical time.

Though not quite common, it’s doable for there to be as many various fathers as there are kittens when the mom cat provides beginning.

How Can I Know If Superfecundation Has Occurred?

As I’ve talked about, if kittens from the identical litter have completely different personalities, coat colours, eye colours, and hair lengths, they most likely have completely different fathers.

Nevertheless, even kittens from the identical litter will range in look as a result of they obtain half of their genetic make-up from their mom and the opposite half from their father, whereas their littermate might obtain completely different genes from every dad or mum.

If you’ll want to know whether or not a number of fathers are accountable for your cat’s litter of kittens, you possibly can carry out a DNA take a look at on the kittens to find out their mother and father.

differently colored kittens
Picture credit score: The Fortunate Neko, Unsplash

Is Superfecundation Frequent?

Though superfecundation is extraordinarily uncommon in individuals, the other is true for cats, with greater than half of litters discovered to have a number of fathers and completely different genetic make-up to their littermates.

To forestall your cat from changing into pregnant, you’ll have to get her spayed. Indoor home cats are much less prone to expertise superfecundation than out of doors cats as a result of you possibly can monitor their actions and forestall them from mating with a number of tomcats.

In case your cat has the liberty to roam about open air, there’s a a lot increased likelihood that superfecundation will happen as a result of they’re free to mate with any tomcat roaming about.

pregnant stray cat
Picture Credit score: Paul McKinnon,Shutterstock

Why Getting Your Cat Spayed Is Obligatory

Getting your cat spayed is an expense however paying out for being pregnant and nursing care is a a lot increased one – particularly once you’ve obtained a litter of kittens to feed and look after too.

Getting your cat spayed earlier than they go into warmth for the primary time will decrease their danger for sure cancers and infections, which can extend their life. In addition they gained’t show all of the signs of a cat in warmth, which will be disruptive and aggressive. It’ll additionally cease their have to roam to discover a mate, which can forestall accidents from cat fights and automotive accidents. A cat at house is a safer cat.

Cats aren’t conscious of their relationship with one another and can mate with their siblings or mother and father. Getting them spayed will forestall this from occurring.


It’s fairly widespread for a feminine cat’s litter to have completely different fathers. Isn’t that fascinating? This phenomenon known as superfecundation. It may be fairly noticeable if the kittens look very completely different from one another, with completely different coat colours and hair lengths. Nevertheless, you gained’t be capable to know for sure if the kittens come from completely different fathers except you do DNA testing on them.

To forestall superfecundation or any being pregnant from occurring, you’ll have to spay your cat or preserve them indoors. Nevertheless, spaying your cat comes with many well being and behavioral advantages. All of us wish to preserve our cats protected and wholesome, and spaying or neutering them is a crucial a part of that.

Featured Picture Credit score: Guslin al Fikrah, Unsplash

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