Sabtu, 18 Oktober 2008

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 considered 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 United States (since 1991) the United Kingdom, Poland, and several other countries. It is also the most popular breed of assistance dog in the United States, Australia, and many other countries, as well as being widely used by police and other official bodies for their detection and working abilities. They are exceptionally affable, gentle, intelligent, energetic and good natured, and Labradors are generally considered good companions for people of all ages (including a high level of patience and tolerance for children,making them both excellent companions and working dogs. Although somewhat boisterous if untrained, Labrador Retrievers respond well to praise and positive attention, and are considerably "food and fun" oriented. These dogs are loyal and good with little children. They may be used in shows. With training, the Labrador is one of the most dependable, obedient and multi-talented breeds in the world.
Appearance

Labradors are relatively large, with males typically weighing 30–36 kg (65–80 lb) and females 25–32 kg (55–70 lb). Labs weighing close to or over 100 lbs are considered
obese or having a major fault under American Kennel Club standards, although some labs weigh significantly more. Their coats are short and smooth, and they possess a straight, powerful tail often likened to that of an otter. The majority of the characteristics of this breed, with the exception of colour, are the result of breeding to produce a working retriever.
As with some other breeds, the English (typically "show" or "bench") and the American (typically "working" or "field") lines differ. Today, "English" and "American" lines exist in both the United Kingdom and in North America. In general, however, in the United Kingdom, Labs tend to be bred as medium-sized dogs, shorter and stockier with fuller faces and a slightly calmer nature than their American counterparts, which are regionally often bred as taller, lighter-built dogs. These two types are informal and not codified or standardised; no distinction is made by the AKC or other kennel clubs, but the two types come from different breeding lines. Australian stock also exists; though not seen in the west, they are common in Asia. Other "local minor variants" may also exist in some areas.
The breed tends to
shed hair twice annually, or regularly throughout the year in temperate climates. Some labs shed a lot; however, individual labs vary. Labrador hair is usually fairly short and straight, and the tail quite broad and strong. The otter-like tail and webbed toes of the Labrador Retriever make them excellent swimmers. Their interwoven coat is also relatively waterproof, providing more assistance for swimming. The tail acts as a rudder for changing direction.
Colour

There are three recognised colours for Labs: black (a solid black colour), yellow (anything from light cream to gold 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.
Puppies of all colours can potentially occur in the same
litter. Colour is determined primarily by two genes. The first gene (the B locus) determines the density of the coat's pigment granules: dense granules result in a black coat, sparse ones give a chocolate coat. The second (E) locus determines whether the pigment is produced at all. A dog with the recessive e allele will produce little pigment and will be yellow regardless of its genotype at the B locus. Variations in numerous other genes control the subtler details of the coat's colouration, which in yellow Labs varies from white to light gold to a fox red. Chocolate and black Labs' noses will match the coat colour
Temperament

A Labrador participating in dog agility
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, hypersensitive, or other difficult traits which sometimes manifest in a variety of breeds, and as the name suggests, they are excellent retrievers. As an extension of this, they instinctively enjoy holding objects and even hands or arms in their mouths, which they can do with great gentleness (a Labrador can carry an egg in its mouth without breaking it). 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 objects (though they can be trained out of this behavior). The Labrador Retriever's coat repels water to some extent, thus facilitating the extensive use of the dog in waterfowl hunting.

Labs, like other dogs, may often tend to dig like this 3 month old and are generally very friendly with other dogs, like this German Shepherd.
Labradors have a reputation as a very mellow breed and an excellent family dog (including a good reputation with children of all ages and other animals), but some lines (particularly those that have continued to be bred specifically for their skills at working in the field rather than for their appearance) are particularly fast and athletic. Their fun-loving boisterousness and lack of fear may require training and firm handling at times to ensure it does not get out of hand - an uncontrolled adult can be quite problematic. Females may be slightly more independent than males. Labradors mature at around three years of age; before this time they can have a significant degree of puppyish energy, often mislabeled as being
hyperactive. Because of their enthusiasm, leash-training early on is suggested to prevent pulling when full-grown. Labs often enjoy retrieving a ball endlessly and other forms of activity (such as agility, frisbee, or flyball). They are considerably "food and fun" oriented, very trainable, and open-minded to new things, and thrive on human attention, affection and interaction, of which they find it difficult to get enough. Reflecting their retrieving bloodlines, almost every Lab loves playing in water or swimming.

This sociable labrador pup has become acquainted with a kitten.
Although they will sometimes
bark at noise, especially a degree of "alarm barking" when there is noise from unseen sources, Labs are not on the whole noisy or territorial, and are often very easygoing and trusting with strangers, and therefore are not usually suitable as guard dogs.
Labradors have a well-known reputation for
appetite, and some individuals may be highly indiscriminate, eating digestible and non-food objects alike. They are persuasive and persistent in requesting food. For this reason, the Labrador owner must carefully control his/her dog's food intake to avoid obesity and its associated health problems.

The steady temperament of Labs and their ability to learn make them an ideal breed for search and rescue, detection, and therapy work. Their primary working role in the field continues to be that of a hunting retriever.
Health and well-being

Many dogs, including Labs such as this ten year old, show distinct whitening of the coat as they grow older; especially around the muzzle.
Labrador pups should not be brought home before they are 7–10 weeks old. Their life expectancy is generally
12 to 13 years or a few years longer with good medical care and proper feeding, and it is a healthy breed with relatively few major problems. Notable issues related to health and wellbeing include:

Inherited disorders
Labs are somewhat prone to
hip and elbow dysplasia, especially the larger dogs, though not as much as some other breeds. Hip scores are recommended before breeding.
Labs also suffer from the risk of knee problems. A
luxating patella is a common occurrence in the knee where the leg is often bow shaped.
Eye problems are also possible in some Labs, particularly
progressive retinal atrophy, cataracts, corneal dystrophy and retinal dysplasia. Dogs which are intended to be bred should be examined by a veterinary ophthalmologist for an eye score.
Hereditary myopathy, a rare inherited disorder that causes a deficiency in type II muscle fibre.
There is a small incidence of other conditions, such as
autoimmune diseases and deafness in labs, either congenitally or later in life.

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