Mississippi became the third state to ban cell-derived meat, a product not for sale in the United States. But not all livestock producers are opposed to cultivated protein.

Curious to try a lab-grown chicken sandwich? Don’t look to satiate your craving in Mississippi, which earlier this week moved to ban so-called cultivated or cell-derived meat.

The proposed ban, unanimously passed by the House of Representatives, carries a $500 fine and up to three months in jail for anyone growing or selling such products within the state.

The bill, which Gov. Tate Reeves of Mississippi, a Republican, is expected to sign, is the latest in a series of legal maneuvers by states seeking to constrain the nascent cell-cultured meat industry — despite the fact that such products are currently unavailable to consumers in the United States.

In contrast with alternative-meat products like Impossible Burger, which are made entirely from plants, lab-grown meat starts as cells taken from an animal. By nourishing them with a cocktail of nutrients, scientists can coax these cells to develop into animal muscle, connective tissue or fat — the basic components of meat.

Proponents say cultivated meat can address the many environmental impacts of farmed livestock and provide meat eaters a protein that does not require the slaughtering of animals.

Last year, Florida and Alabama became the first states to outlaw the cultivation and sale of meat grown in laboratories, and a number of other states, including Nebraska and Georgia, are considering similar measures.

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