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.
Diseases that can pass from animals to humans are called zoonotic diseases. A biggie is Salmonella sp., a bacterium that can infect any species of reptile-or other animal, for that matter. While some Salmonella bacteria are found commonly in certain species, they can pass to other types of animals.