Unexplained kitten deaths?

M
Melyameli Icon representing the flag French
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Hello everyone,

Just two months ago I took in a lovely female cat. It turns out she was already pregnant.

Anyway, a few weeks later on 30th October 2021, she gave birth to five beautiful kittens. (It was her first litter; she's very young, only 18 months old).

The pregnancy went quite well and I did my best to keep her calm and reassured. The little ones felt cold, so I put them in a room heated to 21 degrees with their mum. The kittens were mewing and moving around. But then, in the early hours of the morning, I found one of them on its own in the corner of the basket, cold and lifeless. The others seemed fine; the mum was licking them and they were feeding without any issues. She was licking their bottoms and tummies to help with their digestion. I left for work at 7 am and when I got back around 2 pm, two more had died!

I didn't understand what was happening, so I called the vet. They gave me some advice and suggested I bottle-feed them with kitten formula, as she might not have had enough milk. I started doing that straight away. The babies were suckling well, no problems at all, and the mum was still looking after them.

In the time it took me to fix some lunch, I came back to a total shock: two of the three remaining kittens were dead...

Why?!!! I tried calling the vet back, but unfortunately it was a Sunday. I tried others and eventually got through to an out-of-hours vet who told me there was nothing they could do! They said kittens are very fragile and the mortality rate is very high in the first week... they told me to keep up with the hand-feeding, which I did, every two hours.

On Monday morning, the kittens seemed okay. I bottle-fed them and then left them with their mum. I was checking on them every so often and they were sleeping. Then I heard a kitten mewing and whimpering; I rushed over just as it took its last breath, with the mum cuddling and licking it... I just don't understand! There was only the tiny runt left, who was already cold and struggling to breathe. I used a hot water bottle and a towel to try and warm him up, but a few minutes later he stopped breathing... How can an entire litter perish in less than 48 hours!

I've now booked an appointment to have the mum spayed... but I'm still in shock over what happened. It’s devastating how quickly such joy can turn into a nightmare... I just needed to talk about it. My question is: has anyone else been through this? Why did they die? Any theories? Thank you for reading and for any help you can give.

Translated from French
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8 answers
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  • M
    Moonetmiel Icon representing the flag French
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    Hi everyone

    My cat just had five kittens this Friday; they were all doing perfectly fine, but now two of them have died and I am absolutely panicking. What can I do to make sure the other three don't die? PLEASE HELP ME, I can't find a vet available until September.

    Translated from French
    M
    Matcs12 Icon representing the flag French
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    Hi, I’m going through the exact same thing at the moment. My cat had a litter of five kittens, and in the space of 48 hours, three of them have died inexplicably. I’ve called my vet and they think it might be cat flu, which is incredibly contagious for kittens. Mine seemed perfectly healthy, then one would just pass away within 15 minutes—and it’s happened three times now. I’m just hoping the last two pull through (all three died in my arms). Honestly, I’m at a complete loss for what to do.
    Translated from French
    A
    Amy2fast Icon representing the flag French
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    Hello. The same thing is happening to me... I found a cat—well, she found me, really. She was hanging around a depot and came right up to me the day I was there, and I just couldn't resist bringing her home. I realised she was pregnant, and three days later she started giving birth. The first one came out fine, but she really struggled with the second. He got stuck halfway out. After five minutes he finally came out, but three minutes later he passed away... they were so tiny and the mum is very young. After that, she had two more... things went well for a few hours. I nipped out quickly to buy some wet food for her and a few bits of shopping for myself, and when I got back, she’d had another one that I found had also passed away... A bit later, another one succumbed... :((( my heart is breaking... There were three left... this morning, the third one went as well. I went into the kitchen for a cig around 7 or 8am, and when I came back, he wasn't breathing... I went to the vet's to ask for some kitten milk, and when I got back, one of them felt cold and wasn't nursing anymore. I rushed to the vet with the last two. One was already gone. They offered to keep the cold one to warm him up properly and try to keep him alive... I called them 30 minutes later, and he’d passed away too... I want the last one to make it so badly... he’s a bit more lively and weighs a bit more than the others... Please God... don’t take him too... Thank you for your stories and the comfort... It’s so hard holding them in your hands when they’re lifeless... Take care of yourselves and your animals.
    Translated from French
    Blue_Cat
    Blue_cat Icon representing the flag French
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    Good evening, It’s obviously a massive shock, but without a post-mortem, you’ll never know the exact cause. Hypothermia? A congenital condition? Perhaps the mother’s milk was very poor and they didn’t digest the formula well? You’re doing exactly the right thing by getting her spayed quickly. What happened with this litter being completely wiped out—which is quite rare—could well have happened again. Try to put the images of the poor little ones out of your mind; the mother has likely moved on already, so just focus on her health now. Once she’s been spayed, she’ll be much better off in every way. Why not ask for a blood test while she’s under the anaesthetic to check for any underlying diseases? It’ll be a bit of an extra cost, but it could be very useful.
    Translated from French
    ?
    Anonymous user Icon representing the flag French
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    Yes, it’s possible, but it doesn’t normally kill the whole litter.

    Personally, I’m leaning more towards an "underlying" illness.

    What I mean is that your cat might be a carrier for something nasty; she isn’t ill herself, but the kittens are. Sometimes they are affected in the womb, and sometimes they are stillborn.

    The problem is that this is likely to happen again. While the case mentioned by del2244 is linked to an incompatibility between the male and female and then between the mother and her kittens, in my example, the problem comes from the mother. There are certain conditions that mean some females simply can’t have viable kittens.

    To be safe, you really should have her spayed. In my scenario, she will only ever have non-viable litters, and it’s very dangerous for her during pregnancy and labour, as stillborn kittens often aren’t positioned correctly for birth. And in the other scenario, she risks running into the same tom that knocked her up in the first place.

    I don’t know if this is any comfort, but I promise it’s for the best that the last kitten passed away like that. There’s a very high chance it wouldn’t have been viable anyway. By nursing it, you would have only been delaying the inevitable, and it would have been worse because you’d have got attached. You’d have fought to save it, telling yourself that if it reached weaning at around 2 months old it would be out of the woods, but it likely would have died anyway (it’s not a certainty, but a strong probability).

    Please, get her spayed if you don’t want to put your cat at risk. This kind of pregnancy, with sick or even dead kittens inside her, is high-risk. And also if you don't want to risk going through this traumatic situation again; I imagine you were really looking forward to having the kittens, but life isn’t always fair.

    Translated from French
    D
    Del2244 Icon representing the flag French
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    A simple blood group test for the mother could provide the answer; if she is blood group B, neonatal erythrolysis is a common cause of kittens dying in their first few days.
    Translated from French
    M
    Melyameli Icon representing the flag French
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    First of all, thanks for getting back to me. Yes, that’s exactly what the vet told me – that it’s ‘normal’ for the weakest ones to pass away… but surely they weren't all weak? That just can’t be right… I thought about a post-mortem, but the thought of opening up the body of this little soul who suffered so much just makes me feel sick…
    Translated from French
    Kikaah
    Kikaah Icon representing the flag French
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    Maybe ask for a post-mortem on one of the kittens to find out if there was an underlying illness, a deformity, or perhaps just hypothermia (apparently that happens quite often). I’ve never seen a whole litter pass away, but every time (not that often) I’ve been around for a litter, whether it was cats or dogs, there was always one little one that didn't make it. Nature can be cruel sometimes...
    Translated from French
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