While no dogs are truly 100% hypoallergenic, Sealydale Terriers are about as close as it gets, making them an ideal pet if you are an allergy sufferer.

Unfortunately, the Neo Bullmastiff is not hypoallergenic, making it not a good choice for a dog lover who suffers from pet allergies.

Playful
Energetic
Alert
Courageous
Intelligent
Confident
Friendly
Outgoing
Obedient
Loyal
Outright
Tempered
Fearless
Adaptable
Calm
Brave
Balanced

Stubborn
Protective
Alert
Powerful
Courageous
Docile
Obedient
Reliable
Dominant
Loyal
Devoted
Trainable
Fearless
Calm

Sealydale Terriers are low shedding dogs, requiring minimal coat care.

Neo Bullmastiffs are moderate shedders, but regular brushing can reduce shedding and maintain coat health.

Sealyham Terrier and Airedale Terrier

Bullmastiff, Neopolitan Mastiff

1930s

Unknown

Brown

Brown
Amber

Black

Blue
Black
Brown
Isabella

White
Red
Black
Brown
Sable

Black
Blue
Brown
Brindle
Red
Fawn
Sable

Sealydale Terriers have coats that can be either short or medium in length.

Neo Bullmastiffs have short coats.

Wiry

Straight

A Sealydale Terrier can have a litter of 7-9 puppies on average. However, it's worth noting that the size of the litters can vary greatly. Factors that can influence litter size include the health of the mother, breeding history, and genetics.

A Neo Bullmastiff can have a litter of 4-13 puppies on average. However, it's worth noting that the size of the litters can vary greatly. Factors that can influence litter size include the health of the mother, breeding history, and genetics.

Sealydale Terriers are highly adaptable and versatile, making them excellent companions for families and individuals of all lifestyles.

Neo Bullmastiffs have average adaptability to changes in lifestyle and living environments compared to other breeds.

Sealydale Terriers are susceptible to health issues like all breeds, so it's important to monitor their health and seek veterinary care when needed.

The Neo Bullmastiff breed is generally very healthy, requiring minimal vet visits. Still, it's important to keep an eye on their health and seek veterinary care when needed.

Hip Dysplasia

Elbow Dysplasia
Canine Hip Dysplasia
Gastric Dilation Volvulus (GDV) or Bloat

Cataracts
Glaucoma
Hemophilia
Von Willebrand's Disease
Hypothyroidism
Atopic Dermatitis

Entropion
Ectropion
Cherry Eye
Retinal Dysplasia
Lip Fold Pyoderma
Skin Fold Dermatitis
Wobbler's Syndrome
Ataxia

Eye Examination
Radiographs
Blood Analysis
Blood Sugar and Thyroid Tests

Eye Examination
Thyroid Testing
Skin Scrapings and Biopsy
X-rays or other radiographic imaging
Bone Biopsy
Myelography (Dye And X-Ray to Assess The Spinal Cord)

Sealydale Terriers sleep less than other breeds but still need adequate sleep for good health.

Neo Bullmastiffs are known for their relaxed and calm nature and enjoy long periods of sleep.

Sealydale Terriers are high-energy dogs. They need mental as well as physical exercise. These dogs require a lot of your involvement and without it they can, and will, become problematic dogs.

Neo Bullmastiffs are low-energy dogs. This breed make a great companion for a relatively inactive person. Neo Bullmastiff dogs require a few short daily walks, and then they're happy snuggling next to you for the rest of the day.

There's really no limit to how far you walk your dog as long as they're comfortable. For Sealydale Terrier, it's at least 10 miles / week. Just remember to build distance and stamina gradually over time.

There's really no limit to how far you walk your dog as long as they're comfortable. For Neo Bullmastiff, it's at least 11 miles / week. Just remember to build distance and stamina gradually over time.

In general most Sealydale Terriers usually need at least 60 minutes of exercise daily. This can be spread across the day and include all sorts of high-energy activities, like walking, running and playing.

In general most Neo Bullmastiffs usually need at least 45 minutes of exercise daily. This can be spread across the day and include all sorts of high-energy activities, like walking, running and playing.

Sealydale Terriers require significant grooming, including regular trims and professional grooming assistance to maintain their coat. They may also require frequent bathing to keep their coat and skin healthy.

The Neo Bullmastiff has low grooming needs and is easy to maintain.

Pin Brush
Slicker Brush
Scissors
Nail Clipper

Slicker Brush
Nail Clipper

For an average 40-45 pound (18 - 20 kg) Sealydale Terrier feed 2.5 cups daily. But, keep in mind, the amount you feed is going to be dependent on the quality of the food you are feeding.

For an average 130-150 pound (59 - 68 kg) Neo Bullmastiff feed 3.5 cups daily. But, keep in mind, the amount you feed is going to be dependent on the quality of the food you are feeding.

The average cost of a Sealydale Terrier is somewhere $1.70 - $2.00 per day.

The average cost of a Neo Bullmastiff is somewhere $3.80 - $4.20 per day.

The average per month expenses of a Sealydale Terrier is between $48 - $63. This makes an average of $576 - $756 per year. It will be on the higher side when the dog is still small because it will need more frequent visits to the vet, shots.

The average per month expenses of a Neo Bullmastiff is between $112 - $126. This makes an average of $1344 - $1512 per year. It will be on the higher side when the dog is still small because it will need more frequent visits to the vet, shots.

The Sealydale Terrier is a great apartment dog, thriving with sufficient exercise and time outside as part of their daily routine.

Neo Bullmastiffs are good apartment dogs as long as they get enough exercise and stimulation outside of the apartment.

Sealydale Terriers are average in their friendliness towards other dogs, and socialization can help.

Neo Bullmastiffs are not dog-friendly.

Sealydale Terriers are averagely friendly around strangers but benefit from early socialisation.

Neo Bullmastiffs are quick to announce strangers and can be standoffish or suspicious.

Sealydale Terriers are a playful breed that needs daily playtime to be happy.

Neo Bullmastiffs are not known for being a highly playful breed.

Sealydale Terriers are popular for their ease of training and quick learning ability.

Neo Bullmastiffs are usually easy to train but require consistency to fully obey commands.