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Dog intelligence or dog cognition is the process in dogs of acquiring information and conceptual skills, and storing them in memory, retrieving, combining and comparing them, and using them in new situations. [1] Studies have shown that dogs display many behaviors associated with intelligence. They have advanced memory skills, and are able to ...
Ocular melanosis (OM) is a disease of the eye which in dogs is almost found exclusively in the Cairn Terrier. The disease is caused by an increase of melanocytes in the iris, sclera, and surrounding structures. [63] Keratoconjunctivitis sicca (dry eye) is common in dogs. Symptoms include eye redness, a yellow or greenish discharge, ulceration ...
The body language of dogs is one form of non-verbal communication whereby dogs can express emotions and intentions through bodily movements. [1] [2] It refers to the interpretation of posture and behaviour of species in the genus Canis. This form of visual communication is generally used for identifying emotions and intentions of domestic dogs ...
Labrador Retrievers are a popular dog breed in many countries. There are three recognised colours, black, chocolate, and yellow, [1] that result from the interplay among genes that direct production and expression of two pigments, eumelanin (brown or black pigment) and pheomelanin (yellow to red pigment), in the fur and skin of the dog.
A person who intentionally mates dogs to produce puppies is referred to as a dog breeder. Line breeding is the planned breeding of dogs with their relatives. This is done to strengthen the appearance of specific desired traits in offspring. Line breeding is differentiated from inbreeding by excluding pairings between parents and offspring, and ...
Collie eye anomaly. Collie eye anomaly ( CEA) is a congenital, inherited, bilateral eye disease of dogs, which affects the retina, choroid, and sclera. It can be a mild disease or cause blindness. CEA is caused by a simple autosomal recessive gene defect. There is no treatment.
The name Shih Tzu is the Wade-Giles romanization of the Mandarin Chinese word for "lion". A female Shih Tzu at around 18 months of age. A female Shih Tzu, with different colored eyes. In contemporary Mandarin, the Shih Tzu is generally known as the "Xi Shi dog"; Xi Shi was regarded as one of the most beautiful women of ancient China.
A special diet can improve the quality of life for afflicted dogs. The breed can also fall victim to progressive retinal atrophy (a degeneration of the retina causing blindness) and several less serious hereditary eye problems such as coloboma (a hole in the eye structure), and persistent pupillary membrane (tiny threads across the pupil). Basenji