All herding behavior is modified predatory behavior. Through selective breeding, humans have been able to minimize the dog's natural inclination to treat cattle and sheep as prey while simultaneously maintaining the dog's hunting skills, thereby creating an effective herding dog.
In Australia, New Zealand and the United States herding dogs are known as working dogs irrespective of their breeding. Some herding breeds work well with any kind of animals; others have been bred for generations to work with specific kinds of animals and have developed physical characteristics or styles of working that enhance their ability to handle these animals. Commonly mustered animals include cattle, sheep, goats and reindeer, although it is not unusual for poultry to be handled by dogs.
In Brazil the Brazilian Border Collie Association (ABBC) has been developing working dogs for herding cattle since 2005, having as its members the Association from the state of Rio Grande do Sul (AGBC – Associaçao Gaucha de Criadores de Border Collie) and the Association from the state of Sao Paulo (APPas – Associação Paulista de Pastoreio).
In January 2006 the ABBC was approved by the ISDS (International Sheep Dog Society), the worldwide recognized sheep dog entity.
The video below shows the first trial for the year 2013 in Pirajui, a town 400 km inland from Sao Paulo city.
|Jefferson Munhoz, the first Brazilian to compete at the World Trials, is dressed head to toe in traditional gaucho gear accompanied by his dog, Guapo|
Read more: http://www.dailymail.co.uk/news/article-2038300/World-Sheep-Dog-Trials-TV--speedometers-collies.html#ixzz2QCKY3mxo
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Sources: WIKIPEDIA, Brazilian Gaucho Sheep Dog, Herding Dogs, World Sheep Dog Trials, Canil Boiadeiro