What Should I Feed My Pregnant Dog?
A pregnant dog does not need more food straight away. Her requirements barely shift for roughly the first two thirds of the pregnancy, then climb steeply in the final weeks, and peak well after the birth, during lactation. Feeding as though she needs extra from the day she is mated is the most common mistake, and it makes whelping harder rather than easier.
There is one thing to get right before anything else.
ring your vet if
Do NOT give a calcium supplement during pregnancy. It is a common and well-meant mistake, and it can cause serious harm. Supplementing calcium while she is pregnant interferes with the hormonal system that mobilises her own calcium stores, which is exactly the system she will need working properly once she is feeding puppies. The condition that follows, eclampsia or milk fever, is a life-threatening emergency that typically strikes in the weeks after whelping. A complete diet appropriate for her stage already contains what she needs. If anyone suggests a calcium supplement, check with your vet first.
ring your vet if
Ring your vet IMMEDIATELY, including out of hours, if a nursing mother is restless, panting, stiff or walking oddly, twitching, trembling, disoriented, or running a fever. If it progresses she may develop severe tremors, rigid limbs, seizures or collapse. This is eclampsia and it is an emergency measured in hours, treated with calcium given into a vein by a vet. It cannot be treated at home, and a supplement will not fix it. It is more common in small breeds and large litters but it can occur in any breed, any litter size, and at any point during nursing.
Some Grub makes insect-protein food and treats for adult dogs. We do not make a puppy, growth or gestation diet, and a pregnant or nursing dog needs one. Nothing here ends with us selling you something.
What Changes, and When
Feeding through pregnancy, lactation and weaning is a genuinely consequential period, and a review of nutrition in dog and cat reproduction describes awareness of feeding across exactly these critical windows as essential. Read the review.
That review makes the case that the period matters. It does not set the amounts, and nor will we. What follows is the conventional shape that veterinary practice works to. The specific numbers for your dog belong with your vet, who knows her weight, body condition, breed and litter size.
Weeks 1 to 5, roughly
Her energy needs are close to normal, so she usually stays on her usual complete adult diet at her usual amount. Extra weight gained early is fat rather than puppies, and it makes the birth harder. The exception matters: if she was underweight at mating, or is young and still growing herself, she may need more from the start, and that is a conversation with your vet rather than a decision to make at home.
Weeks 6 to 9, roughly
This is when demand climbs, because most foetal growth happens late. Intake is increased gradually, and this is the point at which vets commonly move a dog onto a growth or puppy diet, which is more energy and nutrient dense.
Small, frequent meals near the end
A uterus full of puppies leaves little room for a full stomach. Splitting the same food across more meals a day is usually easier for her than two large ones.
Lactation is the real peak
Feeding a litter demands far more than carrying one, and the peak comes a few weeks after whelping. Most mothers stay on the growth diet, fed freely, until the puppies are weaned. This is the one stage where free feeding is normal.
What to Avoid
Calcium supplements
Covered above, and the most important item on this page. Do not add calcium during pregnancy. A complete stage-appropriate diet already has it balanced.
Raw meat and raw eggs
Pregnancy is the wrong time to take a bacterial or parasite risk, for her and for the litter. If you feed raw, this is the moment to discuss it with your vet.
Bulking her up early
Overfeeding in the first month produces a heavier, fatter mother rather than healthier puppies, and excess weight is linked with a harder whelping.
Milk, as a supplement
Cow's milk is not a useful addition. Most adult dogs handle lactose poorly, and loose stools are the last thing a heavily pregnant dog needs. Her diet, not dairy, is what supports milk production.
The foods that are unsafe for any dog are unsafe for her too, and the stakes are higher. Onions, garlic, leeks and chives damage red blood cells and can cause anaemia, which is the last thing a dog supporting a litter needs. Chocolate is toxic. Grapes, raisins and sultanas can cause kidney injury. Xylitol, the sweetener in some peanut butters and sugar-free products, is dangerous in very small amounts. Keep all of them away from her, and check labels on anything you add to her food.
Before the Birth
Get her seen. Pregnancy is usually confirmed by a vet from around three to four weeks, and a scan later on can indicate how many puppies to expect, which is exactly what determines how much she will need in the final weeks and while nursing. Going in early makes every feeding decision on this page more precise.
Expect her appetite to fall away in the last day or so before whelping. A bitch going off her food at that stage, alongside restlessness and nesting, is usually a sign labour is close rather than a problem. If she is off her food earlier than that, or seems unwell with it, ring your vet.
Feeding the New Mother
The demand does not stop at the birth, it accelerates. A mother feeding a large litter can need several times her normal intake at the peak, which is usually around three to four weeks after whelping. This is why she typically stays on a growth diet through nursing rather than going straight back to adult food, and why food is normally left available to her during this period.
Fresh water matters more than usual too, because she is producing milk. Keep it available everywhere she settles.
Eclampsia is not the only thing to watch for after whelping, though it is the one that cannot wait. Ring your vet the same day if she has a hot, hard or painful mammary gland, a foul-smelling or persistent discharge, or goes off her food. Mastitis, a retained placenta and uterine infection all need treating, and a mother who stops eating stops producing milk. If she is also feverish, restless, stiff, twitching or unsteady, treat it as the emergency above and ring immediately rather than waiting.
As the puppies start eating solid food, her intake tapers back down. Most mothers return to their normal adult diet and portion once the litter is fully weaned, guided by body condition rather than a date.
What We Are Not Telling You
There are no gram amounts, calorie targets or percentages on this page, and that is deliberate. The right figures depend on her weight, her body condition, her breed and how many puppies she is carrying, and getting them wrong in either direction has consequences. Your vet can weigh her, score her condition and give you numbers for your dog.
We also could not find a controlled trial in dogs establishing the exact timing of the increase, so the stage pattern above is described as conventional veterinary practice rather than as a proven schedule. Where a page can be precise we are precise, and where it cannot be we say so.
Frequently Asked Questions
What should I feed my pregnant dog?
For roughly the first two thirds, her usual complete adult diet at her usual amount. From around week six, vets commonly move a pregnant dog onto a growth or puppy diet, which is more energy and nutrient dense, with intake increased gradually and split across smaller, more frequent meals as she gets bigger. Ask your vet for the amounts for your dog.
How much more should I feed a pregnant dog?
Usually not more at first, which surprises people. Her needs are close to normal for roughly the first five weeks, then rise substantially in the final third, and peak during nursing rather than pregnancy. Feeding extra from the start adds fat rather than supporting puppies. The exception is a bitch who was underweight at mating or is still growing herself, who may need more sooner. Your vet can set the amounts against her weight and condition.
Can I give my pregnant dog a calcium supplement?
No, not without veterinary instruction, and usually not at all. Supplementing calcium during pregnancy interferes with the system that mobilises her own calcium reserves for milk production, and is associated with eclampsia after whelping, which is a life-threatening emergency. A complete stage-appropriate diet already contains balanced calcium.
Can I give my pregnant dog milk?
No. Cow's milk is not a useful supplement for a pregnant dog. Most adult dogs digest lactose poorly, so it tends to cause loose stools, and drinking milk does not improve her own milk production. A suitable diet and fresh water do that.
When should I switch my pregnant dog to puppy food?
Commonly around week six, when foetal growth accelerates and her requirements climb, but the timing is a decision for your vet based on her condition and the pregnancy. She then usually stays on it through nursing.
How do I feed a dog that has just given birth?
Nursing is the peak demand, higher than pregnancy, usually peaking around three to four weeks after the birth. Mothers are typically kept on a growth diet with food available to them, and fresh water always accessible. Intake tapers as the puppies wean. Watch her as well as the puppies: ring your vet immediately, including out of hours, if she becomes restless, stiff, twitching, trembling, disoriented or feverish, which can be eclampsia and is an emergency, and the same day for a hot or painful mammary gland, a foul-smelling discharge, or a mother who goes off her food.
This guide is general information, not a diagnosis or a substitute for veterinary advice. A pregnant or nursing dog should be under veterinary care, and amounts should come from the vet who can examine her.
Last updated: 6 August 2026
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