A nursing dog needs a highly digestible, energy-dense, complete and balanced food, and a lot more of it than usual. Her needs can reach two to three times her normal intake at peak lactation, and she should have food and fresh water within reach at all times. Below you’ll find what to feed, how much, how often, what to do if she goes off her food, and when to call your vet.
TL;DR
- Feed a complete and balanced, highly digestible food that is energy-dense, with at least 29% protein and 17% fat on a dry matter basis.
- Expect her needs to climb to about 2x maintenance in weeks 1 to 2, about 3x in weeks 3 to 4, and back to 2x in weeks 5 to 6.
- Offer free-choice food or at least three meals a day, and keep fresh water available around the clock.
- Skip extra calcium and vitamin supplements unless your vet prescribes them. A balanced diet already covers them.
- Call your vet if she stops eating for more than a day after whelping, or if you see vomiting, shaking, or hot, painful mammary glands.
Table of Contents
- Why a nursing dog eats so much
- What to feed a lactating dog
- How much to feed week by week
- How often to feed a nursing dog
- Water matters as much as food
- What about a raw diet for a nursing dog?
- What to do if your lactating dog isn’t eating
- Can food increase her milk supply?
- Feeding Loyal Saints to your nursing dog
- Planning ahead for the next litter
- FAQ
- Sources
Why a nursing dog eats so much
Milk is expensive for a mother’s body to make. Veterinary nutritionists at UC Davis note that by late lactation, a nursing bitch’s caloric requirement is typically twice her normal requirement. The more puppies she feeds, the more she needs.
There is a practical problem too. VCA Animal Hospitals explains that the volume of food needed can be more than a dog can realistically eat, which is why the food itself matters so much. A calorie-dense, highly digestible food lets her take in more energy in fewer bites, so she can keep up with her litter without losing condition.
That is the heart of the lactating dog diet: concentrated nutrition, plenty of it, and easy access.
What to feed a lactating dog
Look for the right type of food
VCA recommends that a nursing dog eat a food formulated for gestation and lactation, or an all-life-stages diet. For many owners, a quality puppy food from a reputable company works as well, and VCA’s guidance on feeding the mother says commercially prepared puppy food is the best choice during lactation.
One caution: Purdue University’s lactation nutrition guide notes that large breed puppy food does not provide adequate nutrition during lactation or pregnancy. Large breed formulas are built to slow growth, and that is the opposite of what a nursing mom needs.
The numbers to check on the label
Purdue’s guide gives clear targets, all on a dry matter basis:
| Nutrient | Target for a lactating dog |
|---|---|
| Protein | At least 29% |
| Fat | At least 17% |
| Fiber | Less than 5% |
These come from Purdue’s lactating dog nutrition guide. Pet food labels usually show “as fed” percentages, so if you are comparing foods, ask your vet or the manufacturer for the dry matter numbers. A freeze-dried food has very little moisture, so its as-fed and dry matter figures sit close together.
Quality of ingredients
Whole, lean meats such as turkey, chicken, beef, or fish are a sensible foundation for a nursing mom. Highly digestible protein means more of what she eats goes toward milk rather than waste. Look for a short ingredient list you recognize, with no fillers or synthetic additives.
Don’t add extras on your own
It is tempting to add calcium, vitamins, or cottage cheese to help milk production. UC Davis advises that a diet appropriate for all life stages, including puppies, is adequate in minerals and vitamins for pregnancy and nursing and should not be further supplemented. If you want to add something, get your vet’s approval first, and keep extras to less than 10% of her diet.
How much to feed week by week
Purdue’s guide breaks down her needs by stage, as a multiple of her maintenance intake (what she ate before breeding):
| Weeks after whelping | Approximate need |
|---|---|
| 1 to 2 | 2x maintenance |
| 3 to 4 | 3x maintenance |
| 5 to 6 | 2x maintenance |
At peak lactation, its rule of thumb is to increase her food by 25% per puppy above her maintenance amount. VCA adds that her energy requirement returns to normal by about eight weeks after delivery, around when the puppies are fully weaned.
A worked example
Say your dog normally eats 2 cups of a particular food per day and she is nursing four puppies at peak lactation. The 25% per puppy rule gives 100% more, so about double her usual amount, or 4 cups a day. Actual amounts vary by food, calorie density, and the dog, so use this as a starting point and adjust by watching her body condition and her puppies’ weight gain. Your vet can help you fine-tune it.
If you are weaning, the amount comes back down gradually as the puppies eat more solid food and nurse less.
How often to feed a nursing dog
The American Kennel Club says a lactating dam may be fed free choice or at least three times daily if meal-fed, using a palatable, highly digestible growth-and-lactation ration.
Free-choice feeding has real advantages in the first three to four weeks. VCA notes it lets the mother eat on her own schedule, and the puppies can begin sampling solid food at about three weeks of age.
There is one exception. VCA does not advise free-choice feeding for a mother nursing only one or two puppies, because she may make more milk than she needs, which can predispose her to mastitis. With a small litter, measured meals are the safer route.
Make it easy for her
Many new mothers won’t leave their puppies. UC Davis suggests she may need to be fed in her whelping box near her pups. Bring the bowl to her, and keep water within reach too.
Water matters as much as food
Canine milk is about 78% water, according to veterinarian Dr. Ashley Darby, who recommends nursing dogs have constant access to fresh water. Wet food or high-water-content treats can add to her fluid intake. Changing the bowl often and placing a second one near the whelping area are simple habits that help.
If you want to read more about how fluids support overall health, our guide on how hydration supports dog immune health is a good next step.
What about a raw diet for a nursing dog?
Many of our readers feed raw or freeze-dried raw, so this question comes up often. The key is balance and handling.
Dr. Marty Greer, writing for the AKC, cautions that homemade and unbalanced raw diets are frequently poorly balanced and that she has seen a higher than normal incidence of dystocia (difficult labor) in bitches fed raw meat diets, thought to come from a calcium and phosphorus imbalance. The lesson for a breeder is to feed a food that is formulated to be complete and balanced, rather than a DIY mix, and to practice careful kitchen hygiene around any raw ingredients, especially with newborn puppies in the house.
A complete and balanced formula takes the guesswork out of that mineral ratio. If you want more detail on getting vitamins and minerals right with raw-style feeding, see our guide to vitamin balance on a raw diet with AAFCO panels and our raw dog food safety basics. Your vet can confirm the plan for your specific dog.
What to do if your lactating dog isn’t eating
A short pause right after birth is normal. The AKC says a bitch may be off her feed the first day after whelping but should be eating within 24 hours of delivering her last puppy. If she isn’t, call your veterinarian, because it can signal an after-birth complication.
If she is eating but you want to tempt her, try these steps:
- Bring food to her. Feed her in the whelping box, beside the puppies.
- Offer a palatable, aromatic food. A slightly warmed meal or a little water mixed in often helps.
- Offer smaller, more frequent meals. The goal is a steady intake across the day.
- Watch for diarrhea. UC Davis says loose stools may come from the large volume she is eating, and reducing the amount slightly may help.
When it’s an emergency
The Animal Emergency and Referral Center of Minnesota advises that a lactating dog should go to the ER if she stops eating, vomits or has diarrhea frequently, is constantly shaking or having seizures, or if her mammary glands are firm and painful with an elevated rectal temperature. These can point to eclampsia or mastitis, and both need prompt veterinary care.
Can food increase her milk supply?
The best-supported approach is what we have covered: enough calories, a highly digestible food, and lots of water. Dr. Darby notes that there is no conclusive evidence galactagogues work, and no evidence of their use in dogs. If you are worried she isn’t making enough milk, or the puppies are restless, crying, or not gaining weight, have a veterinarian assess both mother and litter. Weighing the puppies daily is the simplest early check.
Our perspective on feeding a nursing mom
When we started Loyal Saints, it was because we believed our dogs deserve to be fed like family. Nowhere is that more true than when a mom is nursing a litter. She is giving everything she has, and her bowl should give back.
We build our freeze-dried raw foods from human-grade, whole ingredients, with no fillers or synthetic additives, and our formulas are designed to be AAFCO-complete. Because they are freeze-dried, they are lightweight, shelf-stable, and need no thawing or ice packs. That convenience is real when you are up at all hours beside a whelping box.
We also believe in a team approach. Talk with your veterinarian about her exact portions and how our food fits into her plan, and let her weight and her puppies’ growth guide you. Nutrition that is simple, clean, and consistent is the best gift you can give a new mom.
Kristina
Feeding Loyal Saints to your nursing dog
If you’d like a clean, minimally processed option for the whole family, our freeze-dried raw dog food comes in Beef, Chicken, and Turkey + Salmon, with single or limited proteins, fruits, and vegetables. Bags are priced from $24.95 to $44.95 depending on size, and you can see sizes such as Beef 14 oz and Chicken 14 oz.
Because a nursing dog goes through food quickly, many owners like the convenience of a membership. Our Halo Club is $10.99 per month or $79.99 per year, with savings and shipping perks. Standard shipping is $7.99 and express is $14.99, and you can see the details on our shipping and returns page. Ask your vet how to portion it for her stage of lactation, then browse the full range.
Planning ahead for the next litter
Good lactation starts well before whelping. A mother who enters pregnancy at a healthy weight and is fed carefully through gestation is better placed to nurse. Our stage-by-stage breeder nutrition guide walks through each phase, and our page on feeding your dog by life stage covers how needs change from puppyhood onward.
Weaning and getting her back to normal
As the puppies start eating solid food, her milk demand falls. Reduce her meals gradually rather than all at once, and return her to a maintenance diet as the litter becomes fully weaned, around eight weeks. Watch her body condition during this transition. Some moms are lean after nursing and may need a little extra for a short time, and your vet can advise.
FAQ
What is the best thing to feed a lactating dog?
A complete and balanced, highly digestible, energy-dense food made for gestation and lactation, all life stages, or a quality puppy food. Aim for at least 29% protein and 17% fat on a dry matter basis, and avoid large breed puppy formulas.
How many times a day should a lactating dog eat?
The AKC says she may be fed free choice, or at least three times a day if meal-fed. With only one or two puppies, measured meals are safer than free feeding, since too much milk can raise the risk of mastitis.
My lactating dog isn’t eating. What should I do?
A day or so of poor appetite right after whelping can be normal, but she should be eating within 24 hours of delivering the last puppy. Bring food to her in the whelping box, and call your vet if she doesn’t eat, vomits repeatedly, or seems unwell.
What can I feed my dog so she can produce more milk?
Give her enough of a calorie-dense, complete food and constant access to fresh water. No supplement has been shown to reliably boost milk in dogs, so check with your vet before adding anything, and have your vet look at any litter that isn’t gaining weight.
Sources
- Feeding the Nursing Dog, VCA Animal Hospitals
- Feeding the Pregnant Dog, VCA Animal Hospitals
- Nutrition for a Pregnant and Nursing Bitch, UC Davis School of Veterinary Medicine
- Nutrition for the Lactating Dog, Purdue University
- The Care and Feeding of the Breeding Bitch: Lactation and Weaning, American Kennel Club
- The Importance of Great Nutrition for the Valuable Brood Bitch, American Kennel Club
- Raising Newborn Puppies, American Kennel Club
- What to Feed a Nursing Dog to Increase Milk Production, Dogster
- Trouble During Active Labor and Post-Birth Illnesses in Pets, Animal Emergency and Referral Center of Minnesota
