I love all dogs. When I lived in Florida there were quite a lot of Pit bulls. I was afraid at first, but they're gorgeous and not at all like their reputation!
People can be scared of them because they were originially fighting dogs
That's right. Some people still train them for that cruel sport. But if they're properly trained they make great family pets.
They are also used as catch dogs in the US, and as family pets
What's a catch dog? I haven't heard that term before.
They are trained dogs for catching large animals, such as when hunting or working livestock
Oh, I see - sort of like a herding dog I guess. What are their origins?
Herding dogs have been around a long time.  Collies are considered good herding dogs
I like collies. Where I come from pretty much every farm has a collie for herding.
Collie
Collies form a distinctive type of herding dogs, including many related landraces and standardised breeds. The type originated in Scotland and Northern England. Collies are medium-sized, fairly lightly built dogs, with pointed snouts. Many types have a distinctive white color over the shoulders. Collies are very active and agile, and most types of collies have a very strong herding instinct. Collie breeds have spread through many parts of the world (especially Australia and North America), and have diversified into many varieties, sometimes mixed
Branch 1 of NII-88 on Gorodomlya Island in Lake Seliger some from Moscow. Their facility was surrounded by barbed wire and armed guards with watch-dogs, although Boris Chertok, chief designer of guidance and control systems, notes in his book, "Rockets and People:"
All structures on Gorodomlya island were renovated and living conditions were quite decent for those times. At least married specialists received separate two- or three-room apartments. Visiting the island, I could only envy them, because I and my family lived in