There are subcategories as working dogs, companion dogs, herding dogs, guard dogs, hunting dogs and sled dogs. Working dogs are for example lapdogs, who are used as therapy dogs. Companion dogs are just providing companionship and are known as pets and who are usually not used for specific tasks. Herding dogs are known as stock dog and they are working with livestock. They are also called pastoral dogs, who do not necessarily have to be trained in herding. Guard dogs defend the property of people. They are also named watch dogs or attack dogs. They bark aloud, when there is a presence of a possible intruder and alert in this way their owners. Hunting dog hunts with or for their owners. There are a lot of different types of dogs, who have the special hunting skills. Sled dogs are also named sledge dogs or sleigh dogs, who were bred historically for pulling sleds to transport or haul supplies into areas which are inaccessible by another method.

As hunting with beagles was seen as ideal for young people, many of the British public schools traditionally maintained beagle packs. Protests were lodged against Eton's use of beagles for hunting as early as 1902 but the pack is still in existence today,[60] and a pack used by Imperial College in Wye, Kent was stolen by the Animal Liberation Front in 2001.[61] School and university packs are still maintained by Eton, Marlborough, Wye, Radley, the Royal Agricultural University and Christ Church, Oxford.[62]
Having a solid structure, the Beagle resembles a Foxhound. Hunters can follow the dog on foot, and the tuneful bay of the Beagle aids hunters in locating the dog from a distance. Because of its moderate size, the Beagle can even be carried to the hunting site, where it can then scurry into the dense undergrowth to look for the target. The dog receives protection against the thick underbrush from its coarse and close coat. And being an amicable dog makes it a great pack hunter, mixing well with other dogs.

Following the revolution, Chihuahua remained a hub of Institutional Revolutionary Party (PRI) influence. Because of its proximity to the United States, Chihuahua was strategically important to Mexico. The region was also central to the oldest and most important opposition party during PRI rule, the National Action Party (PAN). State leader Luis H. Álvarez became the PAN presidential candidate in 1958 after an unsuccessful run for governor. In 1992, Chihuahua became one of the first states in Mexico to elect a governor who was not a member of the PRI.
Pit Bulls can be loving and wonderful dogs for individuals and families. It is only with proper understanding and consideration that their reputation can be changed and that people can really start to appreciate this breed appropriately, just as it is with any breed of dog. As always, we encourage readers to trust empirical evidence and rigorous study carried out by evidence based programs.
Chihuahuas possess loyalty, charm, and big-dog attitude. Even tiny dogs require training, and without it this clever scamp will rule your household like a little Napoleon. Compact and confident, Chihuahuas are ideal city pets. They are too small for roughhousing with kids, and special care must be taken in cold weather, but Chihuahuas are adaptable—as long as they get lots of quality time in their preferred lap.

Beagles are generally healthy, but certain health problems can affect them if breeders aren’t careful about performing health checks. They include hip dysplasia, a genetic malformation of the hip socket and certain types of heart conditions. Despite good breeding, Beagles may experience tears of the anterior cruciate ligament, which can require surgical repair, and intervertebral disc disease, a spinal problem that can make movement painful and may require surgical repair.
The merle coat pattern, which appears mottled, is not traditionally considered part of the breed standard. In May 2007, The Kennel Club decided not to register puppies with this coloration due to the health risks associated with the responsible gene, and in December of that year, formally amended its breed standard to disqualify merle dogs.[20] The Fédération Cynologique Internationale, which represents the major kennel clubs of 84 countries, also disqualified merle.[16] Other countries' kennel clubs, including Canada, Australia, New Zealand, and Germany, have also disqualified merle. However, in May 2008, the Chihuahua Club of America voted that merles would not be disqualified in the United States, and would be fully registrable and able to compete in AKC events. Opponents of merle recognition suspect the coloration came about by modern crossbreeding with other dogs and not by natural genetic drift.[21][citation needed] 
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