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Yorkies
Common Health
and Congenital Diseases
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Yorkshire Terrier
Missouri, MO
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Common Health
Issues
Coccidiosis
or Coccidia
Coccidia are small protozoans (one-celled organisms) that live in the
intestinal tracts of dogs and cats. They cause disease most commonly in
puppies and kittens less than six months of age, in adult animals whose
immune system is suppressed, or in animals who are stressed.
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Giardia
Giardia are protozoa (one-celled organisms) that live in the small
intestine of dogs and cats. Giardia are found throughout the United
States and in many other parts of the world. Infection with Giardia is
called 'giardiasis.
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Worms
There are five intestinal worms – or parasites - that can affect your
dog. They are roundworms, hookworms, tapeworms, whipworms and
heartworms.
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Canine Bordetellosis (Kennel
Cough)
Bordetellosis is caused by the bacterium Bordetella bronchiseptica which
is present in the respiratory tracts of many animals. It is a primary
cause of tracheobronchitis (kennel cough) which results in a severe
chronic cough. In addition to the cough, some dogs develop a nasal
discharge. Transmission most frequently occurs by contact with the nasal
secretions of infected dogs.
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Hypoglycemia
Hypoglycemia, (the medical term for low blood sugar) is a condition
resulting in a drastic, sudden drop in the level of blood sugar in
puppies. Hypoglycemia is usually found in tiny yorkies or under weight
puppies brought on by poor diet, lack of food consumption, stress,
infections or parasites in some form. Hypoglycemia usually occurs in
puppies from 2 to 5 months of age but can occur in mature toy breeds
when they are subjected to stress.
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Genetic
Defects
Luxating patellas
Luxating patella (or trick knee, subluxation of patella, or floating
patella) is a condition in which the patella, or kneecap, dislocates or
moves out of its normal location. Patellar luxation is a common
condition in dogs, particularly small and miniature breeds. The
condition usually becomes evident between the ages of 4 to 6 months. You
can usually tell if your dog has this problem by having a vet check or
by watching your puppy or dog, if the dog is walking and swings out with
one of it's hind legs, or lifts it's hind leg while in motion and then
returns the leg back to the ground, when the pattella slides back in
place. Another way is when you pick up your dog and you feel the rear
legs pop that means that the pattella is slipping in and out.
Portosystemic Shunt (Liver Shunt)
a congenital malformation of the portal vein (which brings blood to the
liver for cleansing), is also common in Yorkies. In this condition some
of the dog's blood bypasses the liver and the "dirty" blood goes on to
poison the heart, brain, lungs, and other organs with toxins. A Yorkie
with this condition might exhibit a wide variety of symptoms, such as
small stature, poor appetite, weak muscle development, decreased ability
to learn, inferior coordination, occasional vomiting and diarrhoea,
behavioral abnormalities, seizures (especially after a meal), and
blindness, which could lead to a coma and death. Often, the shunt can be
treated with surgery.
Tracheal Collapse
Tracheal collapse is a condition characterized by incomplete formation
or weakening of the cartilagenous rings of the trachea resulting in
flattening of the trachea. It can be congenital or acquired, and
extrathoracic or intrathoracic. Tracheal collapse is a dynamic
condition. Collapse of the cervical trachea (in the neck) occurs during
inspiration; collapse of the thoracic trachea (in the chest) occurs
during expiration. Tracheal collapse is most commonly found in small dog
breeds, including the Chihuahua, Pomeranian, Toy Poodle, Shih Tzu, Lhasa
Apso, Maltese and Yorkshire Terrier.
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PRA-Progressive Retinal Atrophy
Most cases of retinal dysplasia in dogs are hereditary. It can involve
one or both retinas. Retinal dysplasia can be focal, multifocal,
geographic, or accompanied by retinal detachment. Focal and multifocal
retinal dysplasia appears as streaks and dots in the central retina.
Geographic retinal dysplasia appears as an irregular or horseshoe-shaped
area of mixed hyper or hyporeflectivity in the central retina. Retinal
detachment occurs with complete retinal dysplasia, and is accompanied by
blindness in that eye. Cataracts or glaucoma can also occur secondary to
retinal dysplasia. Other causes of retinal dysplasia in dogs include
infection with canine adenovirus or canine herpesvirus, or radiation of
the eye in newborns.
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Legg–Calvé–Perthes syndrome
Legg–Calvé–Perthes syndrome is a degenerative disease of the hip joint,
where growth/loss of bone mass leads to some degree of collapse of the
hip joint and to deformity of the ball of the femur and the surface of
the hip socket. The disease is characterized by idiopathic avascular
osteonecrosis of the capital femoral epiphysis of the femoral head
leading to an interruption of the blood supply of the head of the femur
close to the hip joint. The disease is typically found in young
children, and it can lead to osteoarthritis in adults. The effects of
the disease can sometimes continue into adulthood. It is also known more
simply as Perthes disease[1], ischemic necrosis of the hip, coxa plana,
osteochondritis and avascular necrosis of the femoral head, Legg–Perthes
Disease or Legg–Calve-Perthes Disease (LCPD).
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Distichia
A distichia is an eyelash that arises from an abnormal spot on the
eyelid of a dog. Distichiae usually exit from the duct of the meibomian
gland at the eyelid margin. They are usually multiple and sometimes more
than one arises from a duct. They can affect either the upper or lower
eyelid and are usually bilateral. The lower eyelids of dogs usually have
no eyelashes. Distichiae usually cause no symptoms because the lashes
are soft, but they can irritate the eye and cause tearing, squinting,
inflammation, and corneal ulcers and scarring. Treatment options include
manual removal, electrolysis, electrocautery, cryotherapy, and surgery.
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Vaccinations are so important
to help prevent these:
Canine Distemper
Canine distemper virus may occur wherever there are dogs. It is the
greatest single disease threat to the world’s dog population. Younger
dogs and puppies are the most susceptible to infection. Among puppies,
the death rate from distemper often reaches 80%.
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Canine Parvovirus (CPV)
Since 1978 dogs of all ages and breeds have been victims of a highly
contagious viral disease that attacks the intestinal track, white blood
cells, and in some cases the heart muscle. This disease, canine
parvovirus (CPV) infection, has appeared worldwide. CPV infection is
spread by dog-to-dog contact and has been diagnosed wherever dogs
congregate, including dog shows, obedience trials, breeding and boarding
kennels, pet shops, humane shelters, parks and playgrounds.
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Canine Bordetellosis (Kennel
Cough)
Bordetellosis is caused by the bacterium Bordetella bronchiseptica which
is present in the respiratory tracts of many animals. It is a primary
cause of tracheobronchitis (kennel cough) which results in a severe
chronic cough. In addition to the cough, some dogs develop a nasal
discharge. Transmission most frequently occurs by contact with the nasal
secretions of infected dogs.
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Canine Leptospirosis (Kidney)
Leptospirosis is a bacterial disease that impairs renal (kidney)
function and may result in kidney failure. Clinical signs include
vomiting, impaired vision, and convulsions. The disease is transmitted
by contact with the urine of infected animals or by contact with objects
that have been contaminated with the urine of infected animals.
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Rabies
Rabies is a preventable viral disease of mammals most often transmitted
through the bite of a rabid animal. The vast majority of rabies cases
reported to the Centers for Disease Control and Prevention (CDC) each
year occur in wild animals like raccoons, skunks, bats, and foxes. The
rabies virus infects the central nervous system, ultimately causing
disease in the brain and death. The early symptoms of rabies in people
are similar to that of many other illnesses, including fever, headache,
and general weakness or discomfort. As the disease progresses, more
specific symptoms appear and may include insomnia, anxiety, confusion,
slight or partial paralysis, excitation, hallucinations, agitation,
hypersalivation (increase in saliva), difficulty swallowing, and
hydrophobia (fear of water). Death usually occurs within days of the
onset of these symptoms.
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Against which diseases should puppies be
vaccinated?
The AVMA Council on Biologic and
Therapeutic Agents' Report on Cat and Dog Vaccines has recommended that
the core vaccines for dogs include
distemper,
canine adenovirus-2 (hepatitis and respiratory
disease),
canine parvovirus-2, and
rabies.
Noncore vaccines include
leptospirosis,
coronavirus, canine parainfluenza and
Bordetella bronchiseptica (both are causes of 'kennel
cough'), and Borrelia burgdorferi
(causes
Lyme Disease). Consult with your veterinarian
to select the proper vaccines for your puppy.
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