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.
Heart disease is more common in toucans and mynahs; liver disease, especially hepatic lipidosis (fatty liver) and hepatitis, is a common cause in many bird species-hepatic lipidosis especially in budgies; trauma includes flying into a window or the bite of another animal which may cause internal bleeding or infection.onditions which take up space in the chest or abdomen can put pressure on the digestive system; goiter is a common cause in budgies; crop conditions are more common in young and hand fed baby birds; papillomas in the mouth are also common; egg binding is a more common cause in canaries.