拉布拉多.ppt

1、Labrador Retriever,The Labrador Retriever (also Labrador, Labby, or Lab for short) is one of several kinds of retriever, a type of gun dog. The Labrador is the most popular breed of dog (by registered ownership) in the world, and is by a large margin the most popular breed by registration in the Uni

2、ted States (since 1991), and the United Kingdom. With training, the Labrador is one of the most dependable, obedient and multi-talented breeds in the world,History,The early Labrador originated on the island of Newfoundland, now part of the province of Newfoundland and Labrador, Canada.The breed eme

3、rged over time from the St. Johns Water Dog,(圣约翰水犬) also an ancestor of the Newfoundland dog (to which the Labrador is closely related), through ad-hoc breedings by early settlers in the mid to late 16th century.,Nell - A St. Johns Dog circa 1856.,The original forebears of the St. Johns dog have var

4、iously been suggested to be crossbreeds of the black St. Huberts hound from France, working water dogs from Portugal, old European pointer breeds and dogs belonging to the indigenous peoples of the area. From the St. Johns Dog, two breeds emerged; the larger was used for hauling, and evolved into th

5、e large and gentle Newfoundland dog, likely as a result of breeding with mastiffs brought to the island by the generations of Portuguese fishermen who had been fishing offshore since the 1400s. The smaller short-coat retrievers used for retrieval and pulling in nets from the water were the forebears

6、 of the Labrador Retriever. The St. Johns area of Newfoundland was settled mainly by the English and Irish.,Show standards,Size:Labs are a medium-large but breed. They should have an appearance of proportionality. They should be as long from the shoulders back as they are from the floor to the withe

7、rs. Males should stand 22.5-24.5 inch (55.9-62.5 cm) tall at the withers and weigh 6580lb (3036kg). Females should stand 21.523.5inch (54.560cm) and weigh 5570lb (2532kg). By comparison under UK Kennel Club standards, height should be 2222.5inch (55.957.2cm) for males, and 21.522inch (54.655.9cm) fo

8、r bitches.,Coat: The Labs coat should be short and dense, but not wiry. The coat is described as water-resistant or more accurately water-repellent so that the dog does not get cold when taking to water in the winter. .Acceptable colours are chocolate, black, and yellow. A small white spot on the ch

9、est on black labs is the only acceptable variance from a solid coloured coat, but it is not ideal. There is much variance within yellow Labs. Colours should be solid, though varying shades of yellow on the same dog are acceptable in yellow labs.,Head: The head should be broad with a pronounced stop

10、and slightly pronounced brow. The eyes should be kind and expressive. Appropriate eye colours are brown and hazel. The lining around the eyes should be black. The ears should hang close to the head and are set slightly above the eyes. Jaws: The jaws should be strong and powerful. The muzzle should b

11、e of medium length, and should not be too tapered. The jaws should hang slightly and curve gracefully back. Body: The body should be strong and muscular with a level top line.,Colour,There are three recognised colours for Labs: black (a solid black colour), yellow (anything from light cream to gold

12、to fox-red), and chocolate (medium to dark brown). There are no such things as silver or golden Labradors, a common mistake for the Yellow variant. There is also a black-and-tan coat type, but this coat colour is the least popular as it renders the Labrador un-showable except in the UK.,The three pr

13、imary colour varieties of the Labrador Retriever,Temperament,Labradors are a well-balanced, friendly and versatile breed, adaptable to a wide range of functions as well as making very good pets. As a rule they are not excessively prone to being territorial, pining, insecure, aggressive, destructive,

14、 hypersensitive, or other difficult traits which sometimes manifest in a variety of breeds, and as the name suggests, they are excellent retrievers. They are also known to have a very soft feel to the mouth, as a result of being bred to retrieve game such as waterfowl. They are prone to chewing obje

15、cts .,Use as working dogs,Labradors are an intelligent breed with a good work ethic and generally good temperaments (breed statistics show that 91.5% of Labradors who were tested passed the American Temperament Test Common working roles for Labradors include: hunting, tracking and detection(they hav

16、e a great sense of smell which helps when working in these areas), disabled-assistance, carting, and therapy work Approximately 6070% of all guide dogs in the United States are Labradors; other common breeds are Golden Retrievers and German Shepherd Dogs.,Labradors are a very popular selection for use as guide dogs.,Health and well-being,Many dogs, including Labs such as this twelve year old, show distinct whitening of the coat as they