F1 vs F1B Bernedoodle: What’s the Difference?
If you’ve started researching Bernedoodle puppies, you’ve probably run into these two labels — F1 and F1B — and wondered what they actually mean. It’s one of the most common questions we hear from families before they reserve a puppy, and the honest answer is: it comes down to genetics, and it affects everything from coat texture to shedding to size. Here’s what each generation actually means, and how to figure out which one fits your family.
What Does “F1” Mean?
An F1 Bernedoodle is a first-generation cross: one purebred Bernese Mountain Dog parent and one purebred Poodle parent, resulting in a puppy that’s genetically 50% Bernese Mountain Dog and 50% Poodle.
Because it’s a first-time combination of two distinct breeds, F1 puppies can vary more from one another, even within the same litter. Coats can be straight, wavy, or curly depending on which traits each puppy inherits. Many breeders consider F1 puppies to benefit from strong “hybrid vigor,” a broader, healthier gene pool than either purebred parent alone.
What Does “F1B” Mean?
An F1B Bernedoodle is a backcross: an F1 Bernedoodle bred back to a purebred Poodle. That shifts the genetic makeup to roughly 25% Bernese Mountain Dog and 75% Poodle.
With more Poodle in the mix, F1B puppies tend to be more predictable, wavier to curlier coats, and a stronger chance of the lower-shedding coat that makes Poodles popular with allergy-conscious families in the first place.
F1 vs F1B: Side-by-Side
| F1 Bernedoodle | F1B Bernedoodle | |
|---|---|---|
| Genetic makeup | 50% Bernese / 50% Poodle | 25% Bernese / 75% Poodle |
| Coat texture | Straight, wavy, or curly (less predictable) | Wavy to curly (more predictable) |
| Shedding | Varies by puppy | Typically lower |
| Best for allergy-sensitive homes | Sometimes | Usually a better bet |
| Physical resemblance | Often a more even blend of both breeds | Leans more Poodle in appearance |
Which One Is Right for Your Family?
If minimizing shedding and dander is your top priority, especially if allergies are a real concern in your household, an F1B is generally the safer choice. If you love the classic look and temperament balance of the Bernese Mountain Dog showing through a bit more, an F1 might be the better fit.
Either way, temperament in both generations tends to be affectionate, intelligent, and great with families, the generation mostly affects coat and shedding, not how loving the dog will be.
An Important Note on “Hypoallergenic”
No dog is truly 100% hypoallergenic, including F1B Bernedoodles. Lower-shedding coats mean less dander released into your home, which helps many allergy sufferers, but if allergies are a serious concern, we always recommend spending time around an adult Bernedoodle before committing.
Frequently Asked Questions
Is an F1B Bernedoodle guaranteed not to shed? No — no coat can be fully guaranteed. F1B puppies have a meaningfully higher likelihood of a low-shedding coat, but individual variation is still possible.
Which generations does My BerneDoodle Farm breed? both, are part of your current program.
Is an F1BB or multigen Bernedoodle even more hypoallergenic? Generally yes, each additional backcross to a Poodle increases the Poodle percentage further, which tends to further reduce shedding. These generations are less common and not something every breeder offers.
Not Sure Which Puppy Is Right for You?
Contact us and we’re happy to walk through which generation and size best fits your family — or check our Available Puppies page to see what’s currently on hand.

