Health Library en Bird Flu in Birds  
Avian influenza (or bird flu) is a lung and airway disease found in birds, and it is caused by the influenza virus. This viral infection can also spread to humans, so if your bird is infected, seek immediate treatment and take all necessary precautions to prevent an outbreak of bird flu.
Because of its infectious potential to humans, any breakout of avian influenza has to be reported to Center for Disease Control and Prevention (CDC) in the United States. Recently, a ban has been placed on imported pet birds from countries where bird flu has been reported (i.e more]]> Respiratory Fri, 27 Jun 2008 20:51:21 +0000 51 at
Gastric Yeast Infection in Birds  
Birds suffer from various digestive disorders and diseases, including yeast infections. One such yeast infection which can affect your bird is avian gastric yeast (or Macrorhabdus).
Macrorhabdus commonly infects birds with low immunity. It also occurs in birds already suffering from another disease, or those that have a diet lacking nutrients.
Symptoms and Types
Birds infected with avian gastric yeast (Macrorhabdus) have the following signs and symptoms: 

Continuous loss of weight
Regurgitation more]]> Digestive Fri, 27 Jun 2008 20:38:03 +0000 50 at
Kidney And Urinary Tract Disorders in Birds Even birds can suffer from kidney and urinary tract disorders like humans and other animals.
Symptoms and Types
A bird can show different symptoms depending on the actual kidney and urinary tract disorder. Generally, one or more of the following symptoms are seen.

Increased urination
Change in color of urine
Blood in urine
Chemical imbalance in the blood
Increased or decreased thirst
Difficulty in walking or movement
Depression more]]> Urinary Tue, 01 Jul 2008 15:11:34 +0000 73 at
Polyomavirus in Birds Polyomavirus is a deadly infection that affects many of the bird's body parts and organs simultaneously. This infection affects caged birds, especially those from the parrot family. Young birds from newborn to juveniles (14-56 days), are the birds most at risk and is usually fatal. Though not proven, adult birds are thought to form some immunity to polyomavirus.
Symptoms and Types
From the time the bird contracts the infection, it takes about 10-14 days for the it to display symptoms. However, a bird may or may not show any sign of the polyomavirus infection. If the s more]]> Neurological Tue, 01 Jul 2008 15:24:55 +0000 78 at
Poxvirus Infections in Birds  
Poxvirus infections can happen in any bird, and is named after the specific bird species affected by it, like turkey pox, pigeon pox, canary pox, etc. The incidence of Poxvirus infections in pet birds has been greatly reduced due to the import restrictions of exotic birds. Poxvirus infections at one time were very common in the blue-fronted Amazon parrots which were imported to America and Europe as pet birds. The severity of Poxvirus infections can range from mild, to more serious and deadly.
Symptoms and Types
Three different types of symp more]]> Skin Tue, 01 Jul 2008 15:31:23 +0000 79 at
Air Sac Mite Infection in Birds Birds suffer from lung and airway disorders, which can be caused by a variety of respiratory parasites. One such parasitic infection in birds is caused by air sac mites, which affects the entire respiratory tract. The parasites can be present all the way from the nose of the infected bird to the tiny air sacs in the lungs.
Canaries and Gouldian finches are two types of birds that commonly suffer from air sac mites.
Symptoms and Types
The symptoms of birds with air sac mites are dependent on the severity of the parasitic infection. Birds with a mild infection more]]> Respiratory Tue, 01 Jul 2008 15:37:20 +0000 82 at
Bacterial And Fungal Skin Infections in Birds  
Much like humans, birds suffer from skin infections. In birds, they can be due to injury or infection and usually results in redness and swelling. And if the bird continuously pecks at the infection, it may be ulcerate.
Symptoms and Types
In general, symptoms affecting the skin include:


If your bird is pecking an skin area more than usual, check for infection and take the bird to the veterinarian for proper diagnosis and medication.
There ar more]]> Skin Tue, 01 Jul 2008 16:10:17 +0000 86 at
Bacterial Infection of Small Intestines in Birds  
In birds, clostridial disease is a bacterial infection of the small intestines. However, it can affect multiple body organs, depending on the specific clostridial bacteria involved.
Symptoms and Types
Symptoms are dependent on the type of clostridial bacteria, but it can affect various organs in the bird's body. Generally, clostridial bacteria infects the bird's small intestines and produces a toxin. This toxin is responsible for many of the symptoms, including a rapid deterioration of health, loss of appetite, weight loss, listlessness, blo more]]> Digestive Fri, 27 Jun 2008 21:17:37 +0000 56 at
Cancers and Tumors in Birds  
Cancer or tumors refers to an abnormal growth of cells in a tissue or organ. And while humans often suffer from cancers or tumors, a bird is just as likely. Fortunately, most cancers and tumors can be treated if they are diagnosed in time.
There are basically two types of tumors. Benign tumors, which do not spread, and malignant cancers, which spread and are usually termed as cancers in the medical world.
Symptoms and Types
There are basically two types of tumors. Benign tumors, which do not spread, and malignant tumors, which can sp more]]> Cancer Fri, 27 Jun 2008 21:00:05 +0000 53 at
Common Eye Disorders in Birds  
Birds can suffer from many different eye disorders. They can be due to an eye injury, or possibly an infection to the area. Occasionally, eye disorders are symptoms of another underlying medical problem. Therefore, if your bird has an eye problem, it should be considered serious and you should consult a veterinarian to rule out any major internal disease.
Symptom and Types
Conjunctivitis, a common eye disorder, is usually caused by bacteria and can be identified as red and swollen eyelids, and may lead to photosensitivity (avoidance of light) in t more]]> Eyes Fri, 27 Jun 2008 21:23:49 +0000 58 at
Egg Binding in Birds  
Egg binding is a common reproductive problem that causes the bird to retain the egg in the reproductive tract, unable to expel it naturally. Female budgerigars, cockatiels, lovebirds, large parrots, and overweight birds commonly suffer from egg binding.
Symptoms and Types
A bird suffering from egg binding will have a swollen abdomen and wag its tail frequently. The bird will also have difficulty balancing on the perch. And its leg may be paralyzed, if the egg presses on a nerve
Egg binding is caused by the inability to expel an eg more]]> Reproductive Fri, 27 Jun 2008 21:19:46 +0000 57 at
Feather Cysts in Birds  
Feather cysts are a common skin and feather condition in pet birds. It occurs when a new feather fails to come out and instead curls up under the skin, within the feather follicle. As the feather grows, the lump -- caused by the ingrown feather -- also continues to grow until the feather cyst becomes an oval or long swelling. At times, it can involve one or more feather follicles at a time.
Symptoms and Types
A feather cyst can occur anywhere on the bird’s body. In parrots, however, it is commonly seen in the primary feathers of the wing. An more]]> Skin Fri, 27 Jun 2008 21:25:44 +0000 59 at
Feather Plucking in Birds Birds usually pluck their feathers to preen and groom themselves. Feather plucking becomes a serious behavioral disorder, when it the birds moderately overpreen, or even self-mutilates itself.
There many causes for feather plucking disorder; they include:

Disease like feather cyst
Parasites like ringworm
Allergies to environmental factors or food
Emotional stress
Liver disease
Skin infections or inflammations
]]> Skin Fri, 27 Jun 2008 21:43:47 +0000 61 at
Gapeworms in Birds Birds can suffer from various lung and airway diseases, sometimes due to a parasitic infection. One such (protozoan) parasite is the gapeworm, which infests the respiratory tract of birds -- many times finches and canaries. The gapeworm is also common in birds housed outdoors; it is rarely found in caged birds.
Symptoms and Types
Due to the parasite's infestation of the bird's tracheal wall, it will suffer from an irritated respiratory tract and have difficulty breathing. The infected bird will also tend open its beak wide (gape) for air. Sometimes during advance stag more]]> Respiratory Tue, 01 Jul 2008 15:40:50 +0000 83 at
Gastrointestinal Parasites (Tapeworms) in Birds  
Gastrointestinal parasites can cause many problems in a bird's stomach and intestines, but also affects the normal functions of other organs. Tapeworms, is a type of parasite which affects the bird's digestive tract.

Birds commonly affected by tapeworms are cockatoos, African Grey parrots, and finches.
Symptoms and Types
Tapeworms found in the stomach and intestines of an infected bird do not show any obvious symptoms. However, tapeworms can be found in the infected bird's droppings, if they are carefully inspected.
Causes more]]> Digestive Thu, 24 Jul 2008 15:36:41 +0000 286 at
Gastrointestinal Parasites in Birds  
Gastrointestinal parasites can cause many problems in a bird's stomach and intestines, but also affects the normal functions of other organs. One such gastrointestinal parasitic infection is trichomoniasis.
Trichomoniasis, also called canker or frounce, is an infection caused by Trichomonas gallinae, a protozoa (or single-celled microbes). It generally affects wild birds, and is occasionally seen in pet birds, mainly budgerigars.
Symptoms and Types
The usual signs of trichomoniasis include pale yellow or whitish-yellow lesions (like chee more]]> Digestive Thu, 24 Jul 2008 15:40:40 +0000 287 at
Gout in Birds  
Gout is a musculoskeletal disorder affecting the muscles and bones around the joints of the bird.
Symptoms and Types
There are two types of gout. Which type the bird suffers from depends on the body parts affected:

Visceral gout – this occurs in the tissues of the internal organs. 
Articular gout – this chronic form of the disease which occurs when uric acid and urates are deposited in the ligaments and tendons, but more commonly in the legs or wing joints. The joints become swollen, red, tender more]]> Musculoskeletal Tue, 01 Jul 2008 14:24:32 +0000 65 at
Heart and Blood Vessel Disorders in Birds  
Many avian diseases affect not only the bird’s whole body, but also cause heart and blood vessel disorders in birds of any age, including young birds. These bird disorders are usually due to infections or old age. Just like humans in old age, some birds commonly suffer from heart and blood vessel disorders.
Symptoms and Types
If the heart and blood vessel disorders are due to old age, symptoms may include, difficulty walking and flying (or other movements), difficulty breathing, and a shortness of breath.
If the h more]]> Cardiovascular Tue, 01 Jul 2008 14:27:02 +0000 66 at
Hormonal Disorder in Birds  
Hormonal disorders can occur in birds and cause a disturbance in the blood levels of different hormones.
Symptoms and Types
Diseases of the glands can either increase or decrease the hormone secretion ability of the gland. One such glandular disease in birds is Diabetes Mellitus. The usual symptoms of diabetes mellitus are:

Increased amount of urine (polyuria)
Increased thirst
Increased levels of blood glucose or glucose in urine

Hormonal disorders in bi more]]> Endocrine Tue, 01 Jul 2008 14:47:06 +0000 69 at
Intestinal Parasite in Birds  
Gastrointestinal parasites can cause many problems in a bird's stomach and intestines, but also affects the normal functions of other organs. One such parasite is Giardia, which is a singled-celled microbes (protozoa) found in the intestines.
Giardiasis generally affects cockatiels, budgerigars, lovebirds, and other birds of the parrot family, like macaws, parrots, and cockatoos.
Symptoms and Types
Symptoms of the Giardiasis infection include:

Faulty absorption of nutr more]]> Digestive Fri, 27 Jun 2008 21:56:09 +0000 64 at
Iodine Deficiency in Birds  
If pet birds are not given a proper diet, they can suffer from nutritional disorders. One such nutritional disorder is iodine deficiency, which is common in budgerigars.
Iodine deficiency affects a bird's thyroid gland -- enlarging it from its usual size of three millimeters, to about about one centimeter, or more. (The swelling of thyroid gland, due to iodine deficiency, is called Goiter.) For birds, the thyroid gland is located in the neck and is one of the glands that maintain proper function for various bodily organs.
Symptoms and Types
& more]]> Digestive Tue, 01 Jul 2008 15:07:29 +0000 71 at
Iron Storage Disease in Birds As in humans, a balanced nutrition is important for your bird. Any nutritional imbalance can result in a host of disorders and diseases in your pet. If there is excessive iron in the blood, it accumulates in the bird's main organs, and is generally referred to as Iron Storage Disease.
Iron is needed by the body to manufacture hemoglobin for the blood to carry oxygen. But it important to have a balance. Too little iron in the diet and the bird could suffer from anemia, too much and it can develop iron storage disease -- storing it first in the liver, then the lungs, heart and o more]]> Digestive Tue, 01 Jul 2008 15:09:25 +0000 72 at
Low Blood Calcium Levels in Birds  
In order to ensure a healthy bird, you must give it a well-balanced diet. This will help prevent any nutritional disorder in your animal. However, if there is a calcium, vitamin D3 and phosphorus imbalance in your bird’s body, it can lead to Acute Hypocalcemia (or a presence of low serum calcium levels in the blood).
Symptoms and Types
The bird with acute hypocalcemia will show one or all of the following symptoms:

Tremors (looks like shivering)
Seizures more]]> Digestive Fri, 27 Jun 2008 20:33:23 +0000 48 at
Macaw Asthma in Birds  
Macaw Respiratory Hypersensitivity (or Macaw Asthma) is a lung and airway disease which causes an allergic reaction in the bird. Blue and gold macaws are especially prone to this condition.
Symptoms and Types
Birds with Macaw Asthma will display similar symptoms to other respiratory illnesses. Some include: nasal discharge and difficulty breathing, which may lead to permanent lung damage. Allergic birds are also more prone to have a Macaw Asthma relapse.
Macaw Asthma can be due to many reasons. One common ca more]]> Respiratory Tue, 01 Jul 2008 15:13:46 +0000 74 at
Macaw Wasting Disease in Birds  
Digestive disorders in birds are due to various reasons, including infection, low immunity and injury. One such digestive disorder in birds is the macaw wasting disease, or proventricular dilatation disease, which is due to a viral infection and can be fatal.
Despite its name, any pet bird can be infected with this disorder. Other birds who are susceptible to macaw wasting disease are cockatoos, conures, and African, Asian and Eclectus parrots.
Symptoms and Types
Proventricular dilatation disease affects the nerves of more]]> Digestive Tue, 01 Jul 2008 15:33:01 +0000 80 at
Newcastle Viral Infection in Birds  
Newcastle disease is a viral infection that is usually seen in poultry, but it can also affect pet birds. Newcastle disease, which causes various lung and airway disorders in birds, unfortunately has no cure or treatment for it. Birds affected with this disease can also quickly spread the infection to healthy birds.
Symptoms and Types
Symptoms for Newcastle disease include:

Appetite loss
Weight loss
Nasal discharge
Eye discharge
Breathing more]]> Respiratory Tue, 01 Jul 2008 15:16:46 +0000 75 at
Pacheco's Disease in Birds Pacheco's disease is a highly infectious and deadly bird illness. It is caused by the rapidly spreading Herpesvirus and especially affects birds in the parrot family. Once infected, the animal may or may not develop symptoms, but usually dies within a few days of contracting the disease.
Pacheco’s disease damages many of the bird’s organs, including the liver, spleen, and kidneys. If the bird does survive an infection, however, the organ damage will remain permanent.
The main symptoms of Pacheco's disease are: 

]]> Urinary Tue, 01 Jul 2008 15:19:09 +0000 76 at
Respiratory Parasite in Birds  
Lung and airway problems can occur in birds and can be triggered by parasites. These respiratory parasites can be protozoan, much like the parasite sarcocystis falcatula, which causes sarcocystosis disease in birds.
It occurs when the protozoan parasite infects the bird's soft tissues, creating cysts in various organs, especially in the respiratory tract, nervous system, kidneys and muscles. Sarcocystosis is a fatal disease for birds and generally affects birds housed outdoors. However, if you are located in a region with a sacocystosis outbreak, your indo more]]> Respiratory Tue, 01 Jul 2008 15:43:25 +0000 84 at
Respiratory Tract Infection in Birds  
Airway and respiratory tract diseases are very common in pet birds. One such disease commonly is Aspergillosis, which is a fungal infection of the bird's respiratory tract.
Symptoms and Types
The symptoms of the disease are dependent on the form of the infection. For birds, the fungal spores lodge in the air sacs of the lungs. But, it can also involve the bronchi, trachea, and syrinx (voice box) of the bird. If not treated quickly, Aspergillus can even spread to other organs. There are two forms of Apergillosis disease found in birds.
&n more]]> Respiratory Fri, 27 Jun 2008 20:36:32 +0000 49 at
Roundworms in Birds  
Gastrointestinal parasites can cause many problems in a bird's stomach and intestines, but also affects the normal functions of other organs. Roundworms, in particular, are a type of parasite which affects the bird's digestive tract.
Symptoms and Types
The usual symptoms of a roundworm infection are weakness and weight loss. Also, if left untreated, the roundworms can eventually obstruct the bird's intestine.
Pet birds usually contract roundworms from wild birds, either from encountering these wild animals while being house more]]> Digestive Thu, 24 Jul 2008 15:30:29 +0000 285 at
Scaly Face Or Leg Mite Infection in Birds Parasites can cause skin problems for birds, just as they do in other animals and humans. Scaly Face or Leg Mite infection is a parasitic skin condition which commonly affects budgies, canaries and finches. In parrots, it is usually only a problem for budgerigars.
Symptoms and Types
Scaly face infections symptoms are displayed near the beak, mouth, nostrils and eyes. Leg mite infections affect the legs and toes.
Infected budgies lose feathers in the affected area, a condition which resembles mange. White crusts develop around the corners of the beak, nostrils more]]> Skin Tue, 01 Jul 2008 16:05:15 +0000 85 at
Vent Prolapse in Birds  
Cloacal prolapse or vent prolapse is a condition where the inner tissues of the cloaca protrude (hang out) from the vent, exposing the intestines, cloaca or uterus. The cloaca is the part of the bird’s body which stores urates, feces, urine and egg. The cloacal lips (or vent) are used to control the passage and frequency of droppings and other eliminations.
Mature Umbrella and Moluccan cockatoos suffer more often from cloacal prolapse, as do hand-fed birds. However, cockatoos not bred by humans are not affected by cloacal prolapse.
&nbs more]]> Reproductive Fri, 27 Jun 2008 21:12:54 +0000 55 at
Viral Digestive Tract Infection in Birds  
Papillomatosis disease is a viral infection causing the growth of papillomas in a bird's digestive tract. Papillomas are the thickened tissues or tissue growths, which appear similar to pink cauliflower. These papillomas can grow anywhere, depending on the origin of the herpesvirus infection. However, it usually infects the bird's mouth, stomach, intestines and cloaca.
The birds generally infected by the papillomatosis disease include macaws (especially green-wing macaws), Amazon parrots, and hawk-headed parrots. Normally, a whole flock will be infected b more]]> Digestive Tue, 01 Jul 2008 15:22:27 +0000 77 at
Vitamin A Deficiency in Birds Birds with an exclusive diet of seeds and nuts -- especially sunflower seeds and peanuts -- tend to have a vitamin A deficiency. The deficiency usually goes undiagnosed in pet birds.
Instead, you need supplement the bird’s feed with fruits and vegetables, which are rich in different vitamins, proteins and minerals. However, be aware Lorikeets and lories require less vitamin A in their diet, as they can store iron in their liver, leading to various disorders.
Symptoms and Types
The first symptoms of vitamin A deficiency are revealed on the bird's face as more]]> Digestive Tue, 01 Jul 2008 16:13:57 +0000 87 at
Yeast Infection in Birds  
There are many diseases and infections common between humans and birds. One particular digestive disorder in birds that is also seen in humans, especially babies, is yeast infection Candidiasis (or thrush).
Candidiasis can affect multiple organs. The most common sites of infection are the crop (the storage place for food prior to digestion), stomach and intestines. However, other organs like the skin, respiratory tract, mouth and nose, and central nervous system may be infected, too.
Symptoms and Types
The visible signs of Candidiasis disea more]]> Digestive Fri, 27 Jun 2008 21:11:01 +0000 54 at