- REDIRECT History of the HSUS
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History of Pets
Historians don’t know for sure when humans started keeping pets. Dogs were one of the first animals domesticated by humans and have been domesticated for some 10,000 years. According to ancient Egyptian law, taking the life of a greyhound warranted the same punishment as killing a man. As early as 3500 B.C., Egyptians were domesticating […]
Lenticular Sclerosis
Lenticular Sclerosis, also known as Nuclear Sclerosis, affects older pets, cats at about 9 years old and dogs at about age 7. It occurs due to the hardening of the lens of the eye as the pet ages. The structure of the lens of the eye changes continuously. New layers are formed over existing ones […]
Osteogenesis Imperfecta in Pets
Osteogenesis Imperfecta, also known as Brittle Bone Disease, is a genetic disorder in which bones and teeth are very fragile. It is caused by a mutation of one of two genes for collagen, an abundant body protein which is the major component of skin, bones, cartilage, tendons and ligaments. Collagen is one of the main […]


