Boston Terrier Breed Standard
Non-Sporting Group

General Appearance

The Boston Terrier is a lively, highly intelligent, smooth coated, short-headed, compactly built, short-tailed, well balanced dog, brindle, seal or black in color and evenly marked with white. The head is in proportion to the size of the dog and the expression indicates a high degree of intelligence.

The body is rather short and well knit, the limbs strong and neatly turned, the tail is short and no feature is so prominent that the dog appears badly proportioned. The dog conveys an impression of determination, strength and activity, with style of a high order; carriage easy and graceful. A proportionate combination of "Color and White Markings" is a particularly distinctive feature of a representative specimen.

"Balance, Expression, Color and White Markings" should be given particular consideration in determining the relative value of GENERAL APPEARANCE to other points.

Size, Proportion, Substance

Weight is divided by classes as follows: Under 15 pounds; 15 pounds and under 20 pounds; 20 pounds and not to exceed 25 pounds. The length of leg must balance with the length of body to give the Boston Terrier its striking square appearance. The Boston Terrier is a sturdy dog and must not appear to be either spindly or coarse. The bone and muscle must be in proportion as well as an enhancement to the dog's weight and structure. Fault: Blocky or chunky in appearance.

Influence of Sex. In a comparison of specimens of each sex, the only evident difference is a slight refinement in the bitch's conformation.

Head
The skull is square, flat on top, free from wrinkles, cheeks flat, brow abrupt and the stop well defined. The ideal Boston Terrier expression is alert and kind, indicating a high degree of intelligence. This is a most important characteristic of the breed. The eyes are wide apart, large and round and dark in color. The eyes are set square in the skull and the outside corners are on a line with the cheeks as viewed from the front. Disqualify: Eyes blue in color or any trace of blue. The ears are small, carried erect, either natural or cropped to conform to the shape of the head and situated as near to the corners of the skull as possible.

The muzzle is short, square, wide and deep and in proportion to the skull. It is free from wrinkles, shorter in length than in width or depth; not exceeding in length approximately one-third of the length of the skull. The muzzle from stop to end of the nose is parallel to the top of the skull.

The nose is black and wide, with a well defined line between the nostrils. Disqualify: Dudley nose.

The jaw is broad and square with short regular teeth. The bite is even or sufficiently undershot to square the muzzle. The chops are of good depth, but not pendulous, completely covering the teeth when the mouth is closed. Serious Fault: Wry mouth.

Head Faults: Eyes showing too much white or haw. Pinched or wide nostrils. Size of ears out of proportion to the size of the head. Serious Head Faults: Any showing of the tongue or teeth when the mouth is closed.

Neck, Topline and Body
The length of neck must display an image of balance to the total dog. It is slightly arched, carrying the head gracefully and setting neatly into the shoulders. The back is just short enough to square the body. The topline is level and the rump curves slightly to the set-on of the tail. The chest is deep with good width, ribs well sprung and carried well back to the loins. The body should appear short. The tail is set on low, short, fine and tapering, straight or screw and must not be carried above the horizontal. (Note: The preferred tail does not exceed in length more than one-quarter the distance from set-on to hock.) Disqualify: Docked tail.

Body Faults: Gaily carried tail. Serious Body Faults: Roach back, sway back, slab-sided.

Forequarters
The shoulders are sloping and well laid back, which allows for the Boston Terrier's stylish movement. The elbows stand neither in nor out. The forelegs are set moderately wide apart and on a line with the upper tip of the shoulder blades. The forelegs are straight in bone with short, strong pasterns. The dewclaws may be removed. The feet are small, round and compact, turned neither in nor out, with well arched toes and short nails. Faults: Legs lacking in substance; splay feet.

Hindquarters
The thighs are strong and well muscled, bent at the stifles and set true. The hocks are short to the feet, turning neither in nor out, with a well defined hock joint. The feet are small and compact with short nails. Fault: Straight in stifle.

Gait
The gait of the Boston Terrier is that of a sure footed, straight gaited dog, forelegs and hind legs moving straight ahead in line with perfect rhythm, each step indicating grace and power. Gait Faults: There will be no rolling, paddling, or weaving, when gaited. Hackney gait. Serious Gait Faults: Any crossing movement, either front or rear.

Coat
The coat is short, smooth, bright and fine in texture.

Color and Markings
Brindle, seal, or black with white markings. Brindle is preferred ONLY if all other qualities are equal. (Note: SEAL DEFINED. Seal appears black except it has a red cast when viewed in the sun or bright light.) Disqualify: Solid black, solid brindle or solid seal without required white markings. Gray or liver colors.

Required Markings: White muzzle band, white blaze between the eyes, white forechest.

Desired Markings: White muzzle band, even white blaze between the eyes and over the head, white collar, white forechest, white on part or whole of forelegs and hind legs below the hocks. (Note: A representative specimen should not be penalized for not possessing "Desired Markings."

A dog with a preponderance of white on the head or body must possess sufficient merit otherwise to counteract its deficiencies.

Temperament
The Boston Terrier is a friendly and lively dog. The breed has an excellent disposition and a high degree of intelligence, which makes the Boston Terrier an incomparable companion.

Summary
The clean-cut short backed body of the Boston Terrier coupled with the unique characteristics of his square head and jaw, and his striking markings have resulted in a most dapper and charming American original: The Boston Terrier.

Scale of Points

General Appearance Expression Head (Muzzle, Jaw, Bite, Skull & Stop) Eyes Ears Neck, Topline, Body & Tail Forequarters Hindquarters Feet Color, Coat & Markings Gait Total

10 10 15 5 5 15 10 10 5 5 10 100

Disqualifications
Eyes blue in color or any trace of blue.
Dudley nose.
Docked tail.
Solid black, solid brindle, or solid seal without required white markings.
Gray or liver colors.

Approved January 9, 1990
Effective February 28, 1990

Boston Terrier(波士顿梗)

[简介] 波士顿梗是一种活泼的、智商非常高的、被毛平滑、头部短、结构紧凑、短尾巴、非常匀称的狗，颜色上是虎斑色、海豹色或黑色带有均匀的白色斑纹。头部的尺寸与身躯的比例协调，表情显示出非常高的智商。身躯的接合短而宽，四肢结实且转动灵活。尾巴短，不很重要，所以略微突出，而比例是很重要的。他给人的印象是果敢、有力、且活跃，其风格显示出高度秩序感、姿势从容而优雅。“颜色与白色”的接合方式及比例非常有特色，很具有代表性。“匀称性、表情、颜色与斑纹”是首先需要考虑的细节，决定了{整体外观}的得分情况。

[体型] 体重是按照下列级别进行划分的：低与15磅；15磅到20磅；20磅以上，但不超过25磅。腿的长度与身躯的长度成正比，给予波士顿梗明显的正方形外貌。波士顿梗是一种健壮的狗，决不能显得细长或粗糙。骨骼和肌肉与体重及结构的比例必须恰当。缺陷：显得短小结实或矮胖。性别影响。比较两种性别的个体，明显的区别在于雌性的构造略微精致一些。

[头部] 脑袋：呈正方形，头顶平坦，没有皱纹，面颊平坦，眉毛生硬且止部清晰。表情：波士顿梗理想的表情是警惕而和蔼，显示出智商非常高。这是该品种的重要特征之一。眼睛：距离分的较开，大而圆，颜色深。眼睛位于脑袋的直角上，从前面观察，外眼角落在面颊线上。失格：兰色眼睛或眼睛有兰色痕迹。耳朵：小，直立，天生或修剪后，形状与头部相符，位置尽可能靠近脑袋的角落。口吻：短，正方形，宽度和深度与脑袋的比例恰当。没有皱纹，长度要短于宽度和深度；长度不应该超过脑袋长度的1/3。口吻（从鼻镜到止部）与脑袋平行。鼻镜：黑色而宽，鼻孔间有清晰的线条。失格：达德利鼻。颌部：宽而呈正方形，牙齿短而整齐。钳状咬和或下颚突出式咬和，形成正方形口吻。上唇有足够的深度，但不下垂，嘴巴闭和时，完全遮住牙齿。缺陷：歪嘴。头部缺陷：眼白太多或瞬膜露出太多。鼻孔夹紧或太宽。耳朵的尺寸与头部相比显得过大。头部的严重缺陷：嘴巴闭合时，能看到舌头或牙齿。

[颈部、背线、身躯] 颈部：长度必须显得与整体非常匀称。略微圆拱，优雅地托起头部，且整洁的与肩胛结合。背部：短，足够形成他正方形的身躯外观。背线：水平，臀部线条略向尾根出弯曲。胸部：深，有足够的宽度，肋骨支撑良好，向后延伸到腰部。身躯显得短。尾巴：位置低，短，细腻，尖端细，直或螺旋状，但决不能高过水平线，（注意，首选的尾巴长度应该不长于从尾根到飞节距离的1/4）。失格：断尾。身躯缺陷：姿势欢快的尾巴。严重的身躯缺陷：拱起的背部，摇摆的背部，身体侧面呈平板状。

前躯] 肩胛：倾斜且向后靠，能允许波士顿梗时髦的动作。肘部：既不向内弯，也不向外翻。前肢：位置略宽，与肩胛骨顶端在同一垂直线上。前肢的骨骼直，胶骨短而结实。狼爪可以切除。足爪：小圆而紧凑，既不向内弯，也不向外翻，脚趾圆拱，趾甲短。缺陷：腿部缺乏实质（骨骼及肌肉），张开的足爪。

[后躯] 大腿：结实而肌肉发达，膝关节弯曲，且位置正确。飞节：到足爪的距离短，既不向内弯，也不向外翻。飞节关节清晰。足爪：小而紧凑，趾甲短。缺陷：膝关节直。 [步态] 波士顿梗的步态是落脚稳当，步伐整齐，前肢和后腿在同一直线上向前迈进，配合着完美的节奏，每一步都显得有力而优美。步态缺陷：摇摆起伏、划桨姿势、交织步伐。马步。步态的严重缺陷：不论前肢还是后肢，出现交叉步伐。

[被毛] 被毛短、平滑、明亮且质地细腻。 [颜色和斑纹] 虎斑色、海豹色、或黑色带有白色斑纹，在其他品质全部都一样的前提下，虎斑色为首选。（注意：海豹色说明，一般情况下显示出黑色，在阳光或明亮的灯光下显示出红色。）失格：纯黑色、纯虎斑色、纯海豹色，没有必要的白色斑纹。灰色或肝色。必须的斑纹：口吻有白色镶边，眼睛中间有白筋，白色前胸。渴望的斑纹：口吻有白色镶边，眼睛中间有白筋且越过头部，白色围脖，白色前胸，前腿和后腿飞节以下部位全白或部分白色。（注意：一个典型的个体，不会因为没有“渴望的斑纹”而受到惩罚。） 如果一个狗的白色部位占据了头部和身躯的大部分区域，则在其他方面必须具有相当大的优势，否则，颜色方面的缺陷会影响总体成绩。

[气质] 波士顿梗是一种友善而活跃的狗。这个品种具有良好的气质和非常高的智商，因此，使波士顿梗成为无与伦比的伴侣犬。

[总结] 波士顿梗轮廓清晰的背部身躯，结合了他独特的正方形头部和颌部，还有他独特的斑纹，形成了这种短小精悍、迷人的美国本土品种：波士顿梗。

[评分标准]整体外观 10 表情 10 头部(口吻、颌部、咬和、脑袋和止部) 15 眼睛 5 耳朵 5 颈部、背线、身躯和尾巴 15 前躯 10 后躯 10 足爪 5 颜色、斑纹和被毛 5 步态 10 总计 100

失格] 兰色眼睛或眼睛有兰色痕迹。达德利鼻。断尾。纯黑色、纯虎斑色、纯海豹色，没有必须的白色斑纹。灰色或肝色。

标准通过日期：1990年1月9日

标准执行日期：1990年2月28日

作： 酋长

来源： 转译自AKC

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