Importance and Value of Trees. Since the beginning, trees have furnished us with two of lifeâs essentials, food and oxygen. As we evolved, they provided additional necessities such as shelter, medicine, and tools. Today, their value continues to increase and more benefits of trees are being discovered as their role expands to satisfy the needs created by our modern lifestyles.
However, the most serious is called psittacosis. With this disease, an agent called Chlamydia psittaci causes it, and the disease is also called ornithosis. Birds can be asymptomatic carriers, and may only fall ill when upset, as stress is a major component in all avian diseases.
What is a zoonotic disease? Zoonotic disease or zoonoses are terms used to describe an infection or disease that can be transmitted from an animal to a human being. Are there many zoonoses? Altogether, well over a hundred diseases are capable of being transmitted from animals to humans, although most are rare in North America. All domestic animals including dogs, cats, birds, horses, cows, sheep, goats and rabbits can potentially spread diseases to people, but rarely does this actually occur.