Lamb

Yes. Lamb is used as an alternative protein source for cats that are allergic to chicken and fish.

Lamb is a red meat used as a named protein in some cat foods. Cornell Feline Health Center explains that cats are obligate carnivores that rely on nutrients found only in animal products, and lamb is one of those sources. It is also used as an alternative for cats that react to chicken or fish. For a cat with a medical condition or a food allergy, ask your veterinarian.

Source: vet.cornell.edu

Lamb adds muscle meat protein along with iron and zinc. Many cats eat it readily because of its rich flavor. It is used less often than chicken or fish, so it gives some recipes a protein a cat may not have eaten as often.

Yes, lamb is red meat from young sheep. It is a source of iron and zinc, and it has a stronger flavor than chicken. In cat food it is mostly used in recipes built around a single or less common protein. A food with lamb on the front may still contain chicken or fish further down the list.

Yes, though it is less common than some other proteins. The Merck Veterinary Manual lists lamb among the less common sources of food allergens in cats, while beef, fish and chicken are listed as common. Any protein a cat eats often can become a problem. A veterinarian can confirm a lamb allergy with an elimination diet trial.

Source: merckvetmanual.com

Pettings gives lamb 5 out of 5 and lists it as a named animal protein. It appears on 3 of the 149 dry cat foods we list. The score covers the ingredient alone. Each food's page shows how it scores overall.