PetAg Goat’s Milk Esbilac Liquid -16 oz- Ready-to-Feed Puppy Formula with Vitamins, Minerals, and Trace Nutrients for Puppies Newborn to Six Weeks Old- for Sensitive Digestive Systems Review
By Marcus Bell · Dog nutrition editor · Published 2026-06-04 · Updated 2026-06-21
PetAg's Goat's Milk Esbilac Liquid is a ready-to-feed option for hand-raising newborn puppies or supplementing dogs with sensitive digestion, and its 4.5 star rating across 720 reviews suggests it's a dependable go-to for breeders and foster caregivers.
Owners and breeders hand-raising newborn puppies, or supplementing a litter with a sensitive-stomach goat's milk formula that skips the mixing step.
Skip if
Skip this if your puppy already does fine on a standard milk replacer, or if you need a clear dosage and feeding schedule, since that's not spelled out on this listing and your vet should weigh in first.
Flavor Goat Milk
Benefits Supports Sensitive Digestive Systems With Balanced Nutrition
Breed size All
Priced 38% below the category median ($25.99 across 21 tracked models)
Our scorecard
4.5/5overall
Owner rating4.5/5
4.5 average across 720 owner ratings
Popularity2.8/5
720 owner reviews, more than most models here
The overall score is owner satisfaction weighted by how many reviews back it, so a high rating from few reviews counts for less. The bars below show where this model stands against the other dog food and health supplements we track in this category on price, popularity and size. Context, not marks against it, and our read of the data, not a lab test.
Overview
PetAg's Goat's Milk Esbilac Liquid is a ready-to-feed puppy milk replacer built around whole goat milk protein and a special fiber blend, instead of the powdered formulas most hand-raising kits use. At 16 fluid ounces for $16.14, it's positioned for newborn puppies, with PetAg's own product notes also mentioning use as a supplement for puppies up to a year old with sensitive digestion.
The Product Benefits listing describes it as supporting sensitive digestive systems with balanced nutrition, and the goat's milk base plus added vitamins, minerals and trace nutrients aim to cover the basics newborns need during round the clock feeds. Because it's already liquid, there's no powder to measure and mix, which can matter in the middle of the night with a fussy puppy.
Buyers have rated it 4.5 stars across 720 reviews, a strong showing for a fairly specialized product. There's no recent purchase-volume data attached to this listing, so it's hard to say how it's trending right now, but the review history suggests it holds up for owners and foster caregivers who've used it.
Pros
Whole goat milk protein plus a special fiber blend, aimed at easier digestion
Ready-to-feed liquid, so there's no powder to reconstitute before a feeding
Fortified with vitamins, minerals and trace nutrients for newborn nutrition
16 fluid ounce size that's simple to portion out for frequent bottle feeds
4.5 star average across 720 reviews
Cons
Formulated specifically for sensitive digestive systems, so puppies already thriving on a standard milk replacer may not need to switch
The listing's recommended uses mention supplementing puppies up to a year old, while the product title centers on newborns, so it's worth confirming the right use case for your puppy's age
No specific feeding chart or dosage details are listed in the product facts, so plan to follow the package instructions or your vet's guidance closely when hand-raising a litter
Specifications
Flavor
Goat Milk
Benefits
Supports Sensitive Digestive Systems With Balanced Nutrition
Breed size
All
Performance notes
The formula leans on whole goat milk protein and a special fiber blend rather than a standard cow's milk base, which lines up with the Product Benefits claim of supporting sensitive digestive systems. Being a ready-to-feed liquid instead of a powder means one less step during frequent newborn feeds, and the added vitamins, minerals and trace nutrients are there to round out basic nutrition for puppies from birth through the early weeks.
What buyers say
With a 4.5 star average from 720 reviews, buyer sentiment leans strongly positive for a fairly niche product. Recent purchase-volume data wasn't available for this listing, so it's not clear how it's trending right now, but the size of the review base itself points to consistent satisfaction over time.
The product title centers on newborn puppies, and PetAg's own recommended-uses notes also mention supplementing puppies up to a year old who have sensitive digestion. Talk to your vet about the right fit for your puppy's age and needs.
What makes this different from a standard cow's milk puppy formula?
This version is built around whole goat milk protein and a special fiber blend, and PetAg markets the Product Benefits as supporting sensitive digestive systems with balanced nutrition. It's also a ready-to-feed liquid, so there's no powder to mix before a feeding.
Can I use this as a full replacement for nursing, or just as a supplement?
The listed uses cover both feeding newborn puppies and supplementing dogs with sensitive digestion, so it can serve either role depending on your situation. Hand-raising a litter carries real risks, so this isn't a substitute for veterinary guidance, especially for orphaned or failing-to-thrive puppies.
We use necessary cookies to keep the site working. With your permission, we also use functional, analytics, and marketing cookies. Read our Cookie Policy.
