Jug
Complete UK breed guide

Quick answer
The Jug is a Jack Russell Terrier x Pug crossbreed. Compact and lively. Brachycephalic risks from the Pug parent - insist on BOAS assessment of the Pug parent. Health testing varies significantly. Not KC-recognised. Research breeders carefully. Lifespan 12-15 years.
Quick Facts
- Size
- Small
- Weight
- 5–9 kg
- Lifespan
- 12–15 years
- Exercise
- 30–45 mins/day
- Activity Level
- Moderate
- Grooming
- Low
- Monthly Cost
- £80–£140/month
- Temperament
- Affectionate, Spirited, Loyal
- Good with Children
- Yes
- Good with Dogs
- Yes
- Good for First Timers
- Yes
- Suits Flats
- Yes
Free care guide
Get the Complete Jug Care Guide
Feeding, health, grooming, training and costs for your Jug. Free, straight to your inbox.

Getting set up
Getting a Jug? Here's what you'll need.
Our editors have picked the essentials for Jug owners.
See the First Dog Kit →Recommended for Adult Dogs for Jugs
Products selected for Jug size, coat type, and life stage. Affiliate disclosure.
PetFusion
PetFusion Ultimate Dog Bed (Small)
Memory foam orthopedic bed with waterproof cover. Ideal for small and medium dogs.
Shop PetFusionTuffies
Shop NowKurgo
Shop NowWhimzees by Wellness
VOHC-accepted. Plant-based, grain-free. Five sizes. Best all-round dental chew for most dogs.
Buy on AmazonHurtta
Hurtta Mudventure ECO Raincoat (Small)
Reflective, eco-friendly raincoat built for UK weather. Small size.
Shop HurttaHarringtons
The UK's bestselling dry dog food. No artificial colours, flavours or preservatives. Made with natural ingredients including chicken, brown rice and vegetables. Available in multiple sizes.
Shop NowLily's Kitchen
Shop NowAATU Dog and Cat Food
Shop NowBarking Heads
Shop NowRoyal Canin
Royal Canin Breed-Specific Food
Nutrition precision-tailored to your breed.
Shop Royal CaninBoshel
Shop NowAnimology
The UK groomer standard for removing fox poo and foul odours. Deep cleaning with built-in conditioner and Pro-Vitamin B5. Suitable for all coats from 6 weeks old.
Shop NowPets Calm Down
Shop NowDrontal
Shop NowRosewood
Shop NowPitPat
Shop NowJulius-K9
Julius-K9 IDC Powerharness (Small)
Award-winning harness trusted by dog owners worldwide. Small size (7-15kg).
Shop Julius-K9Furbo
Shop NowChuckit
Chuckit! Ball Launcher (Small)
Launch further, throw less. Mini launcher for small dogs.
Shop Chuckit!LickiMat
LickiMat Wobble
Slows feeding, reduces anxiety, keeps dogs calm and engaged.
Try LickiMatKONG
KONG Classic (Small)
The classic rubber chew for small dogs and puppies.
Shop KONGNina Ottosson
Nina Ottosson Dog Puzzle
Level 2 puzzle feeder. Engages your dog mentally and slows eating.
Try Nina OttossonTrixie
Shop NowDoggone Good
Shop NowBreed Overview
The Jug is a crossbreed produced from a Jack Russell Terrier and a Pug, combining two small breeds of very different background and physical type into a compact, spirited companion. The cross emerged during the early twenty-first century as part of the broad wave of intentional crossbreeding that produced many named hybrid dogs, with the stated goal of combining the Pug's sociable character with the Jack Russell's energy and reduced likelihood of severe brachycephalic issues. The crossbreed is not recognised by the Kennel Club and has no formal breed standard, breed club or mandatory health testing programme.
Appearance varies significantly between individuals. Most Jugs are compact, sturdy small dogs weighing 6 to 9 kilograms. The degree of flat-facedness inherited from the Pug parent varies considerably - some individuals have a substantially extended muzzle compared to a purebred Pug, others retain a notably flat face with associated breathing implications. Coat is short, dense and smooth. Colouring varies widely.
The character combines two very different personalities. The Pug contributes sociability, warmth, charm and the generally good-natured comedic quality that has made it enduringly popular. The Jack Russell contributes energy, prey drive, determination and the alert, active character of a working terrier. The result is typically a lively, affectionate and engaging small dog with more energy and drive than a purebred Pug would suggest.
The most important health consideration is the brachycephalic risk from the Pug parent. Brachycephalic Obstructive Airway Syndrome is a serious welfare concern in Pugs and can be inherited in crosses to a variable degree. Insisting on BOAS grading of the Pug parent is important, as is observing any puppy carefully for signs of breathing difficulty before committing to purchase. Pug-specific conditions including Pug Dog Encephalitis - a fatal neurological condition - and eye conditions can also potentially be inherited.
The Jack Russell parent introduces the risk of lens luxation, a painful and potentially blinding condition documented in the breed. No responsible breeder should produce Jug crosses without eye testing and relevant DNA screening of both parents.
Purchase prices range from £500 to £1,200. Monthly running costs average £65 to £110. Pug rescue organisations, Dogs Trust and general rescue are the most useful contacts. The breed has grown rapidly in popularity and appearance varies significantly - photographs of puppies can be misleading regarding the degree of flat-facedness that will be expressed at maturity. Health screening of both parents before breeding is the minimum standard any responsible breeder should meet.
Temperament & Personality
Lively, affectionate, spirited and sociable - the Jug typically combines the Jack Russell's energy with the Pug's charm. Good with children. Can be stubborn. May have prey drive from the terrier parent. Devoted to its family. Character varies between individuals.
Training
Jugs can be intelligent and trainable - the Jack Russell influence brings quick thinking. The Pug influence can mean stubbornness. Positive reinforcement works best. Early socialisation important. Generally manageable for most owners with consistent effort.
Good to know
Exercise Needs
Jugs typically need 45-60 minutes of daily exercise. The Jack Russell influence drives energy and play. Avoid exercise in heat given any brachycephalic characteristics from the Pug parent. Secure areas advisable given the terrier prey drive.
Health & Vet Costs
Brachycephalic risks from the Pug parent are the primary concern - BOAS assessment of the Pug parent is essential. Pug hereditary conditions including PDE (Pug Dog Encephalitis), eye conditions and skin-fold dermatitis can be inherited. Jack Russell conditions including lens luxation are possible. Lifespan 12-15 years.
Important warning
Feeding & Nutrition
High-quality small breed complete food. Adults typically need 150-250g dry food daily across two meals. Monitor body condition - Pug influence means tendency to overeat. Fresh water always available.
Feeding your Jug
How much to feed, which food types suit this breed, and what to avoid.
Grooming & Care
The coat is short and smooth - minimal grooming required. Weekly brushing. The degree of facial wrinkling varies - wrinkles need regular cleaning if present. Ears need checking. Dental care important in smaller breeds.
Costs of Ownership
Jug puppies typically cost £500-£1,200. Annual ongoing costs average £800-£1,300.
Estimated cost breakdown
Estimates based on UK average costs. Actual costs vary by location, vet, and lifestyle.
Is your Jug insured?
Jug insurance typically costs £15–£40 per month depending on age, cover level and where you live. Getting the right policy before your first vet visit is one of the most important decisions you will make as a new owner.
Compare dog insuranceWe may earn a commission if you buy through our links. This never influences our recommendations.
Where to Find a Jug in the UK
Whether you are looking for a Jug puppy from a responsible breeder or hoping to give a rescue Jug a second chance, there are reliable routes to finding the right dog. The most important thing is that you find them through the right channel — one that puts the dog's welfare first.
Finding a Jug Puppy
The Kennel Club's Find a Puppy service is the safest starting point for anyone looking for a Jug puppy. It connects buyers with breeders who register their litters and allows you to verify parental health test results.
The Jug breed club maintains a breeder register and can be contacted via the Kennel Club website for recommendations.
Before you commit, read our complete guide to finding a puppy responsibly — including the red flags that separate an ethical breeder from a puppy farm.
Read the Puppy Buying GuideRescuing a Jug
Jug-specific rescue organisations are run by people who know the breed inside out. They assess every dog carefully and match them to homes that genuinely suit their needs. Waiting lists exist but are worth it.
General rescues including Dogs Trust, RSPCA and Battersea also occasionally have Jugs available. Contact them directly to register your interest.
Our rescue guide covers the full adoption process in detail.
Find a Rescue DogIs a Jug Right for You?
Active owners who want a spirited small-to-medium companion. Brachycephalic risks from the Pug parent mean health testing of parents is critical. Not suitable for owners who want a fully flat-faced dog. The Jack Russell influence can mean high energy and strong prey drive. Research breeders carefully.
Frequently Asked Questions
Yes, Jugs make excellent family companions. They are affectionate, playful, and good with children, though their spirited nature means they benefit from supervision with very young children. Their compact size and moderate energy levels suit family life well.
Jugs require around 30 to 45 minutes of exercise per day to stay healthy and content. This can include walks, playtime, and mental stimulation through games and training. They adapt well to both urban and suburban living.
Yes, Jugs shed moderately throughout the year. Regular brushing with a soft brush or rubber grooming mitt will help manage loose hair and keep their short coat in good condition. Shedding may increase during seasonal changes.
Jugs are generally trainable but can be independent and stubborn at times, inheriting traits from both parent breeds. Consistent, positive reinforcement methods work best, and early socialisation is important. They respond well to reward-based training with treats and praise.
Jugs typically live between 12 and 14 years with proper care. Their lifespan can be influenced by genetics, diet, exercise, and regular veterinary check-ups. Responsible breeding and health screening help promote longevity.
Monthly costs for a Jug typically range from £80 to £140, covering food, routine veterinary care, and general maintenance. This estimate may vary depending on your location, the quality of food chosen, and any specific health needs. Pet insurance is recommended to help manage unexpected veterinary expenses.
Yes, Jugs are suitable for first-time dog owners. They are affectionate, adaptable, and require moderate exercise and grooming. Their small size and good temperament make them manageable, though new owners should be prepared for their spirited personality and occasional stubbornness.
Related Breeds
Chihuahua (Smooth Coat)
The Smooth Coat Chihuahua is the smallest recognised dog breed, confident and loyal. It is prone to dental disease, luxa...
View breed guide →Jack Russell Terrier
The Jack Russell Terrier is a bold, energetic KC Terrier Group breed with a lifespan of 13 to 16 years. Primary Lens Lux...
View breed guide →Pug
Pugs are affectionate, sociable Toy Group dogs with serious brachycephalic health needs. BOAS is the primary concern; Pu...
View breed guide →Related Guides
Find local services for your Jug
Search verified UK listings for vets, groomers, trainers and walkers near you.
Upcoming events for Jug owners
Championship Show
Paignton & District Fanciers Association Championship Show 2026
31 July 2026 to 2 August 2026 · Exeter, Devon
Championship Show
National Gundog Association Championship Show 2026
2 August 2026 · Malvern, Worcestershire
Championship Show
Bournemouth Canine Association Championship Show 2026
7 to 9 August 2026 · Brockenhurst, Hampshire
Championship Show
Welsh Kennel Club Championship Show 2026
21 to 23 August 2026 · Builth Wells, Powys
Championship Show
Driffield Championship Dog Show 2026
28 to 31 August 2026 · Wetherby, West Yorkshire




