Sheep secrete a yellow wax from their sebaceous glands called lanolin. Lanolin helps waterproof the wool, as well as protect the sheep’s skin from infection. When sheep are sheared, lanolin is ...

Lanolin is a substance derived from secretions of the sebaceous glands of sheep and functions as a protective coating on wool. This fatlike substance, also called wool grease, may constitute 5 to ...

Various sheep breeds have distinct characteristics: some are kept for milk and food products, while others are bred for meat. Social by nature, sheep live in groups called flocks and primarily ...