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Brief Historical Summary
The Jack Russell Terrier originated in
England in the 1800’s due to the efforts of the Reverend John Russell.
(Photographer W. Britton) from Devon (Great Britain) big terriers's breeder.
His purpose was to create a a dog with a big aptitude for hunting: the
outer appearance wasn't important.
He developed a strain of Fox Terriers to suit his needs for a dog to
run with his foxhounds and go to ground to bolt the fox and other quarry
from their dens.
After the english hunting mans needed of a more brave dogs
to kill foxs and badgers, so they started to improve with british terriers
and bulldogs: they had a dog nimble likle a terrier and brave like a bulldog
After they improved also with beagle , border terrier and lakeland
terrier.
Two varieties evolved with basically similar Standards except for
differences, mainly in height and proportions.
The taller, more squarely
built dog is now known as the Parson Russell Terrier and the shorter,
slightly longer proportioned dog, is known as the Jack Russell Terrier.
The Parson Jack Russell was included in the kennel club only in 1990 and
his standard wea recognized from the FCI.
General Appearance
A strong, active , lithe working Terrier of great character with flexible
body of medium lenght.
His smart movement matches his keen expression.
Tail docking is optional and the coat may be smooth, rough or broken.
Important Proportions
The overall dog is longer than high. The depth of the body from the withers to the
brisket should equal the length of foreleg from elbows to the ground. The girth behind the elbows should be about 40 to 43 cm
Temperament
A lively, alert and active Terrier with a keen , intelligent expression. Bold and fearless, friendly but quietly confident.
HEAD
Skull:
the skull should be flat and of moderate width gradually decreasing to the eyes and tapering to a wide muzzle.
Stop:
well defined but not over pronunced.
Nose:
black.
Muzzle:
the lenght from the stop to the nose should be slightly shorter than from the stop to the occiput.
Lips:
tight-fitting and pigmented black.
Jaws/Teeth:
very strong, deep, wide and powerful. Strong teeth closing to a scissor bite.
Eyes:
small dark and with keen expression.
Must not be prominent and eyelids should be
closely. The eyelid rims sholud be pigmented black. Almond shape.
Ears:
button or dropped of good texture and great mobility.
Cheeks:
the cheek muscles should be well developed.
Neck:
strong and clean allowing head to be carried with poise.
BODY
General:
rectangular.
Back:
level. The lenght from the winthers to the root of tail slightly greater than the height from the winthers to the ground.
Loin:
The loins should be short, strong and deeply muscled. CHEST: chest deep rather than wide, with good clearance from the ground, enabling the brisket to be located at the height mid-way between the ground and the withers. Ribs should be well sprung from the spine, flattening on the sides so that the girth behind the elbows can be spanned by two hands - about 40 cms to 43 cms.
Sternum:
point of sternum clearly in front of the point of shoulder.
Tail:
may droop at rest. When moving should be erect and if docked the tip should be on the same level as ears.
LIMBS
ForeQuartes:
shoulders well sloped back and not heavily loaded with muscle. Forelegs: straight in bone from the shoulders to the toes whether viewed from the front or the side . Upper arm of sufficient length and angulation ensure albows are set under the body.
HindQuarters:
strong and muscolar, balanced in proportion to the shoulder.Stifles weel angulated. Metatarsus parallel when viewed from behind while in free standing position. hock joints low set.
Feet:
round, hard, padded, not large, toes moderately arched, turned neither in nor out.
Moviment:
true, free and springy.
COAT
Hair:
may be smooth, broken or rough. Must be weatherproof. Coats sholud be altered (stripped out) to appear smooth or broken. In colour must predominate with black or tan markings.
SIZE AND WEIGHT
Ideal height:
25 cms (10 ins) to 30 cms (12ins).
Weight
Being the equivalent of 1 kg to each 5 cms in height. A 25 cm high dog should weigh approximately 5 kg and 30 cm high dog should weigh 6 kg.
FAULTS
Any departure from the foregoing points should be considered a fault and the
seriousness with which the fault should be regarded should be in exact proportion
to its degree.
However, the following weaknesses should be particulary penalised:
- Lack of true Terrier characteristics
- Lack of balanxe, over exaggeration of any points
- Sluggish or unsound movement
- Faulty mouth
Note
male animals should have two apparently normal testicles fully descended into the scrotum.
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