Playful
Stubborn
Independent
Energetic
Alert
Courageous
Intelligent
Friendly
Affectionate
Lively
Going
Cheerful

Playful
Stubborn
Intelligent
Friendly
Affectionate
Lively
Gentle
Aggressive
Good-natured
Opinionated

Cojacks shed a lot of hair each year, so frequent brushing is essential for reducing shedding and maintaining coat health.

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

​United States

United States

Jack Russell Terrier and Pembroke Welsh Corgi

Boston Terrier and Pekingese

ACHC = American Canine Hybrid Club
DBR = Designer Breed Registry
DDKC = Designer Dogs Kennel Club
DRA = Dog Registry of America, Inc.
IDCR = International Designer Canine Registry®

ACHC = American Canine Hybrid Club
DBR = Designer Breed Registry
DDKC = Designer Dogs Kennel Club
DRA = Dog Registry of America, Inc.
IDCR = International Designer Canine Registry®

​Unknown

Unknown

Brown

Brown

Black

Black

Brown
Black
White
Red
Pied

Black
White
Brown
Brindle

Cojacks have short coats.

Bostineses have medium-length coats.

Wiry

Wavy

A Cojack can have a litter of 4-8 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 Bostinese can have a litter of 3-5 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.

While the Cojack breed is generally healthy, occasional vet check-ups are still necessary to address any health concerns.

Bostineses typically have low vet costs due to their good health, but it's important to monitor their health and seek vet care when necessary.

Patellar Luxation
Deafness
Cardiomyopathy
Patent Ductus Arteriosus

Stenotic Nares
Patellar Luxation
Distichiasis

Intervertebral Disc Disease
Hemivertebrae
Tracheal Collapse
Diabetes
Familial Nephropathy
Eye Problems
Von Willebrand's Disease
Hypothyroidism
Mitral Valve Disease
Degenerative Myelopathy
Persistent Pupillary Membrane
Cleft Palate
Cutaneous Asthenia

Deafness
Hydrocephalus
Eye Problems

Hip X-Rays
Dna For Vwd
Physical Examination
Eye Examinations
Complete Blood Work

Biopsy
Orthopedic
Brain Auditory Evoked Response (BAER)
Internal Imaging (x-ray, CT scan, MRI, etc.)
Blood And Urine Analysis
Ophthalmic
Oral

Cojacks are suitable for those with a balanced lifestyle as they have an average energy level.

Bostineses have low energy levels, ideal for a relaxed lifestyle.

Cojacks need moderate physical activity and are great for families and active individuals.

Bostineses need only a small amount of physical activity, ideal for busy or elderly people or those with limited space.

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

Bostineses have moderate energy levels and typical sleep patterns of 12-14 hours per day.

Cojack dogs are generally less vocal than other breeds and only bark when necessary, such as to alert their owner or communicate.

Bostineses bark moderately when necessary and may also bark due to certain triggers like fear, alarm, boredom, greeting, separation anxiety and compulsive barking.

Walking, Running, Walk, Walks, Walk, play ball, Playing, Herding, Fetch, Tag, Play, Snuggling, Petting, Watching tv, Cuddling, Training, Jogging, Run, Chase, Dance, Car rides, Hike, Bike ride, Cuddles, Nap, Watch tv, Going on walks, Swimming, Road trip, Dog Parks, Barking

Playing Ball

There's really no limit to how far you walk your dog as long as they're comfortable. For Cojack, it's at least 9 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 Bostinese, it's at least 6 miles / week. Just remember to build distance and stamina gradually over time.

The Cojack has low grooming needs and is easy to maintain.

The Bostinese requires an average amount of grooming compared to other breeds.

Cojack should be brushed at least once a week. Of course you can give them more frequent brushes if you find that they are still shedding a lot

Ideally, Bostinese should be brushed at least 2 or 3 times a week (preferably daily) improve shedding.

Slicker Brush
Comb
Nail Clipper

Pin Brush
Dematter
Comb
Nail Clipper

For an average 18-28 pound (8 - 13 kg) Cojack feed 3 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 11-20 pound (5 - 9 kg) Bostinese feed 1 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 Cojack is somewhere $1.70 - $2.00 per day.

The average cost of a Bostinese is somewhere $1.10 - $1.40 per day.

The average per month expenses of a Cojack is between $49 - $63. This makes an average of $588 - $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 Bostinese is between $28 - $42. This makes an average of $336 - $504 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.

Cojack is a very intelligent and trainable breed.

Bostinese has below average obedience intelligence, but they excel in understanding human emotions.

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

Bostineses make excellent apartment dogs, being fairly active indoors and not requiring a yard.

Cojacks are good with kids if socialized and trained from a young age.

Bostineses have an average level of friendliness towards children.

Cojacks are good with cats, but early training is needed to prevent chasing behavior.

Bostineses are very friendly with cats and make great companions for them.

Cojacks are averagely friendly around strangers but benefit from early socialisation.

Bostineses are friendly but may bark at strangers, and training is easy due to their intelligence.

Cojacks are very playful, so adopting an older one might be a better option for a more relaxed experience.

Bostineses are not known for being a highly playful breed.

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

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