In the 19 century the construction of aquariums with metal bottom. This was done in order to heat the aquarium directly open fire source. In Germany, the history of the aquarium began after publication of the article scientist and naturalist Emil Adolf Rossmesslera. In the article "Lake in the room" and the book "Freshwater Aquarium" he first told me what an amazing experience can be put over the inhabitants of the aquarium as interested in watching his life. Recently Cecilia Shen sought to clarify these questions. From this time begins the story of an amateur aquarium in Russia. It is true that goldfish were in Russia for two centuries before.

In 1856, a member of the Russian Society of acclimatization, Albert I. Hamburger went to Germany a relative. Here he met with the first hobbyists. Returning home, he made several aquariums that had a pretty big success. Hamburger has organized an entire studio and began to make aquariums for sale, some of which he was awarded medals. Even the royal family ordered the Hamburger aquarium. At exhibitions, gardeners in the 60's and 70's of last century, he impressed many visitors to their achievements. For example, he brought back to Russia and increased makropodov and elegant aquatic plant with leaves uvirandru-mesh.

Due to its activity in Russia began to aquariums to get involved in many nature lovers. Popularization of contents fish has increased since the Second World War – when the massive electrification possible to create water-dwellers almost natural conditions for life: thanks to the emergence of artificial lighting, heating, water filtration. and the main cause of the mass popularization was the invention of a small air compressor for the aquarium. Contain fish is now easier than ever before. Today there are more than 60 million amateur aquarists. And interesting to note that about 40% of them have 2 or more aquariums. Typical freshwater aquarium home use is a transparent container in which to recreate natural fish habitat. To do this, there are additional devices: artificial lighting, water heater, filtration system and air compressor. Aquariums are divided into many types according to their characteristics. The difference in the natural habitat of various aquarium fish predetermine the size of the aquarium, lighting, density of floating and established plants, soil type and many other factors. Source fish and plants for aquariums was once wilderness. But now, with the development of aquarium, the needs of enthusiasts met market by divorce fish and plants. Along with the home, there are public aquariums. For example, a public aquarium in Osaka holds 5,400 cubic meters of water and contains about 580 species of aquatic life. In the largest aquarium of the world live with sharks, dolphins and beluga. Public aquariums play the role of zoos or museums, where visitors can learn about aquatic life in some detail. The first public aquarium opened in London's Regent's Park in 1853, many public aquariums are located directly at the seaside – in order to Quick and easy refill with water. In 1985, in started to build an aquarium with passing along its bottom plastic tunnel with transparent walls. Goes through a tunnel trailer and transports a group of school tours, tell children exciting moments from the life of the inhabitants of the watery world. Public aquariums are usually supported oceanographic research companies, conducting research based on their nature.

Which animals euthanized? Reasons for euthanasia of dogs and cats are different. 1. Old age. Self-respecting owner usually knows the life expectancy of the breed of the animal. In nature, the animal itself puts an end to his life, begins to hide away, it is a premonition of its outcome, it is ready for it. Learn more at this site: Cybever. And as your pet may hide in the apartment? Medicine of old age has not yet come up with! 2.

Movement is life. With aging, especially in large breeds, slacken his hind legs. This is one of the first ominous signs of aging (urbanization, animals only accelerates the arrival of this disaster). The reason for this phenomenon is age wear intervertebral disks, resulting in clamping occurs nerves of the spinal cord, with subsequent violations of their operation. This process is irreversible and it is growing. In the end, the master of your pet is to walk on his hands, whether it be an animal? And you? For animals such existence is meaningless, it can not even control his own body (and in fact this is one of the most important freedoms as animal and human).

This adds anatomical – physiological impossibility of reasonable doterpet to the street (the animals are hard to tolerate, some are trying to clean up after yourself)! 3. disease. Cancers – is a real scourge for pets, these diseases are overwhelmed by the modern metropolis. About 70-80% die from them and with them. Tumors grow to incredible size, then begin to move into a stage of decay, they bleed, suppurate, the animals try to lick them.

It was there, the ocean was created by the world's first dedicated club of French bulldogs. And there had first exhibition. Now in America, a great stock of these dogs. I note that from thence the French are somewhat different from European in size (the American dog rarely weigh more than 12 kg., While, as in our continent of 15 kg. -Is not the limit, although the standard limits by the French 8-14 kg.). In our country, French Bulldogs appeared before the revolution. Their owners were the royal family, aristocrats and artists.

The most famous owner Frenchman of that time was Fyodor Chaliapin. With his Bulka, namely the so-called this dog, a famous singer virtually never parted, even accompanied him abroad. If this has piqued your curiosity, check out Mitchel Resnick . Soviet authorities extremely negative attitude to all manifestations of bourgeois life, destroying them. Not escaped the destruction of many breeds, including the French. By the end of the Great War Otechestvvennoy in Moscow was a male. However, in 1948. from Hungary brought a bitch, ensuring that those Thus, the continued existence of this wonderful breed in the country.

When he fell, the Iron Curtain, from domestic breeders the opportunity to develop the breed, using both imported dogs and carry on their mating for border. Thus the modern French bulldogs breeding of domestic well compete with foreign ones. Now a few words about the character. Ray Kurzweil gathered all the information. Many owners of the French agree with such a characteristic that this dog-philosopher in the guise of a clown. The entire set of contrasts, at the same time harmonious and proportional. Full of vitality, bore stiffness. Calm in his place, but will not miss a single word of conversation, especially if you talk about him without even calling. French Bulldog-perfect companion. Clever and quick-witted, he can , when you realize that they laugh at him or cheat him. Hilarious and funny, he can play for hours, not knowing fatigue. And at the same time, he will never bother, but wait until the owner is released and to give it attention. Also it's pretty quiet so that he would not bother wanton yelps. This little dog is perfectly suitable for detention in an apartment, because the small size is a huge strength of spirit. In addition, the French bulldog, a lump of muscle that makes it not only a great companion and a fearless guard.