Characteristics & Temperament:
A Proud looking dog when viewed with expression.
Good family companion seeking love and affection from owners.
Should not show aggression towards people.
Lay back nature, but with good watch dog abilities.
Very stable in nature and predictable in character.
Enjoys playing in the water and walking.
Will be dominant with other outside dogs on home territory.
Need 4 foot fences only, usually do not jump. Love obedience training and socializing, best to start at an early age.
Aussie Bulldog lifespan if on a good diet and exercised regularly should live to 10 or more years.

Head , Skull & Eyes:
Head Type to be Broad and Square when viewed from all angles.
1 to 3 folds of wrinkle across the nose.
Skull circumference should equal height of dog.
The Stop between the eyes, should be deep and defined and the distance from the stop to the Occiput should be 2/3 to 1/3 muzzle. The occiput is the back of the head.
Eyes to be set wide apart with a good width of Muzzle. Any shade of eye colour acceptable.
Nice open nostrils not small, as it restricts breathing.

Above: Ideal examples of Head Type & Depth & Width of Muzzle. 

Mouth:
Broad top and bottom jaws. Canines set wide apart with good size teeth. up to 1/4 inch undershot. preferably no greater.
Teeth should not be seen protruding from the mouth, rye mouths are a serious fault.
Snipey underjaws undesirable.

Body:
Good length of back, not short as it restricts movement, but not out of proportion to the rest of the body either.
Should slightly taper at withers and have a nice straight top line with tail set coming straight off the back.
Roach and sway backs are a fault.

Females are preferably longer in body than males to assist in better whelping ability. Shoulders and hips should be the same width. Body length should equal height

Hindquarters & Hocks:
Hindquarters should be very muscular showing great strength with movement.
Good thickness of second and third thigh area.
Hocks to be moderately bent not straight. Cow hocked undesirable.
Should move straight when viewed from all angles, feet not to cross over.

Forequarters , Shoulders & Feet :
Must have good Depth and Width of Brisket, well let down between forearms, not pigeon chested (concaved).
Shoulders should be well angled with good spring of rib.
Good thickness and oval boning of front forearms set wide apart, should be straight and powerful.

No splayed feet, cat type preferred ,up on pasterns not down. East west front feet a fault. Bunny hopping a fault
Movement:
Free movement, moderate gait, not floating.

Neck:
Moderate length of neck, thick with slight arch preferred.

Coat:
Should be short and waterproof, not thick and harsh.

Tail:
Tails can be short or long ( staffy length )
Approximately 1/3 of aussie bulldogs have natural screw tails.

Colour:
All shades of Brindles, including Blue Brindle. Solid Whites, Red, Fawn, Tawny, Isabella, Apricot, Cinnamon, Chocolate, Mahogany & Dapple Pied colouring of every colour, including Black with White and Blue with White.
Solid Black, Tri colour & Sable are acceptable..
Nose colour can be Black, Chocolate, Blue, Liver or Caramel.

Size:
Height: Dogs 18 - 20 inches to the shoulder - Weight: 28 - 35kg,
Bitches: 17 - 19 inches to the shoulder - Weight 22 - 28 kg.

~Breed Percentages~

81.25% is 13/16 in fractions, and we found after a number of years, that when a 5/8 bitch was put to a 100% BBD and produced this percentage, the pups looked identical to pups produced by a 7/8 dog back to a ¾ bitch which also ended up at 81.25% mathematically. We were looking for litters that produced a consistency and these were the litters. We also found that when this percentage was bred back to each other, taking into consideration that they were compatible in looks as well, we found that they kept producing pups like themselves.

Type
is the key ingredient, but there is no reinforcing of this without knowing that the dogs you are breeding from, carry a significant amount of BBD blood in them. A 50% dog that looks like a 75% dog in type, should not be bred together because the other 50%, which could be Boxer or American bulldog, will have far too much influence in the pups produced from their matings.
Basically we would like to see this percentage (81.25%) be the minimum cut off point, or close to it.
We are still happy with a number between 80 and 90%, to work with, up and down within this bracket, which explains the continual matching of dogs to produce type, and allowances of individual percentages to produce pups that fall between 80 and 90.

The earlier example of a 50% dog to a 75% bitch, will always end up with serious inconsistencies, and
you will be lucky to produce 2 pups out of 10 that look like the type you are chasing. This happens a lot with back yard breeders that don't keep track on their dogs ancestry or the percentages, and they purely go by the individuals appearance. With the right advice on breeding, new and existing lines of Aussie Bulldogs can be brought up to an acceptable percentage to be classified as suitable. Ideally 13/16 has always been our most sort after fraction , this in percentages is exactly 81.25 %

Breed Fractions are set out below for your information:-
8/16 is the same as 1/2 = 50%

9/16 = 56.25%

10/16 is the same as 5/8 = 62.5%

11/16 =68.75%

12/16 is the same as 3/4 = 75%.

13/16 =81.25%.

14/16 is the same as 7/8 = 87.5%.

15/16 = 93.75%

16/16 =100% just to complete the picture.

A BBD mated to a 5/8 or 62.5% female. = 13/16

An 87% or 7/8 male, mated to a 75% or 3/4 female = 13/16.
 
These are the common ways to achieve this percentage.
A 5/8 is produce by mating a 1/2 or 50% dog back to a 3/4 or 75%, which is not something commonly done today, but can be utilised in a breeding program if it does turn up. As long as there is obvious qualities in that female, and she carries a good genetic background. If you put an 87.5% bitch to a BBD and produce pups close to 94% British bulldog, I believe has just stepped outside the maximum percentage for an Aussie and created a dog nearly identical to a British.
Anyone that owns low percentage Aussie females that can produce quality pups by a BBD or a very high percentage dog, 94% Aussie bulldog, will all tell you how difficult it is to find one of these males, reminding everyone that Aussie bulldogs are still well and truly in the developmental stages and will be another decade or so from nearing completion. Aussie bulldogs that fit the standard and are above 78 -80% and under 90%, can hopefully be bred to a compatible mate of the same type within this bracket.
Any decent looking health tested Aussie Bulldog can be used somewhere in a breeding program.
For example: An outstanding male that is calculated at 70%, but is the healthiest, sturdiest example of a dog from good ancestry, and is a one in a hundred specimen should be allowed the opportunity to be bred to compatible females preferably around 87- 90% plus, that could benefit from some or all of his individual qualities, making sure the calculated outcome is close to, or spot on the ideal specimen.
This is not a green light for all low % males to be used though.

Dog breeding can seem like a big contradiction to some people. Partially it is a contradiction in some avenues. I think it is like running a cross country race. There are no roads, no straight lines and plenty of hurdles and potholes. You might need to back track sometimes, and you will probably even get lost every now and then, but as long as you know where you are heading to, and what to expect at the finish line, it’s just a matter of accepting challenges and U turns as part of the journey.
We can find a use for most dogs as long as we have the large numbers to work with.

Type has always been the number one objective. Percentages come in somewhere amongst health and temperament. All these things are equally important and cannot really be outdone by one or the other.
94% dogs were produced, to more or less replicate the BBD, because of the shortage of good quality healthy BBDs. Too many people have purchased a pedigreed British male pup and found themselves sending it back to the breeder before it reaches 6 months, because serious health concerns. These 94% dogs have been produced by a male BBD that is a proven sire of a large percentage of healthy pups from good type, and from an 87.5% Aussie bitch who has also proven herself. This gives us a better shot at producing more than one good stud male at a time, and saves us from unforseen problems that could be behind the breeding of an unknown line of BBDs

We will always have to monitor the introduction of new British males and should prepare ourselves for dramas. The only way to discover whether a dog is worth his weight or not, is to use him and see what you get. Taking into consideration you have done every test possible before purchasing or using this dog.

Note:-
Generation breeding when mating dogs is a good idea only to lines that are suitable to hold consistency in type when bred back together.
So if you can get each line strong & healthy enough to hold type, then you can then selectively aim to breed by the generation scale.
No point in purely aiming for continual generations of Aussie to Aussie matings if you don't do your back ground checks on health and type first including your guide on breed percentages and the individual traits that each breed in the lines are dominant in producing.

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