We humans, for the most part, are experimenters! We are always searching, we are driven by a thirst for knowledge, and, as a result, many technical inventions, works of art, new directions in creativity are born … And also new breeds of animals. We have already talked about new dog breeds more than once; today it’s the turn of cats.
An interesting fact is that although cats and dogs were domesticated by humans at about the same time, there are more than 400 dog breeds and only 200 in cats. Most likely, this happened because the dogs are guards, hunters, and shepherds, and nannies, and watchmen, and companions, and more requirements for them. Continue reading
Who are all blood donors is known to all – these are the people thanks to whom many human lives have been and will be saved. In Russia, two days of the donor are celebrated – All-Russian and Worldwide.
But there are situations when a blood transfusion is required not for a person, but for an animal. What do doctors do in this case?
It turns out that in many cities of Russia there is such a practice – animal donation. So any vaccinated dog aged from one to 5-6 years old and weighing over 25 kg can become a donor. Continue reading
Dogs, like most other mammals, have no color vision. Yesterday in 1909, it was established that dogs do not distinguish colors, but only respond to the degree of brightness, in other words, suffer from color blindness. Later reports appeared that a small percentage of hunting dogs seem to be able to distinguish some colors of the spectrum.
However, at the end of 1969, an explanation was published in a special consultation, from which it follows that dogs have achromatic vision and see the world only in black and white. In other words, they see a color image in gray tones. Continue reading