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Purchase larvae from a local supplier. Provide lobster feed once a day. Use 2 by 2 inches (5.1 cm × 5.1 cm) netting to keep your lobsters safe.
Suppliers of lobster larvae can be found in hatcheries on the Atlantic coast of North America, the UK, the Philippines, New Zealand, and many other places that are near the coast. Once a lobster hatches from its shell, it is tiny, transparent, has large eyes and a spiny body. This is larvae, and it will move through 4 stages of larvae before becoming a recognizable lobster.  Select from whatever varieties of lobster are available in your area. Choosing a supplier that is located near your farm prevents damage to the lobsters during the transportation. Avoid stocking larger types of lobster larvae with smaller types. The larger lobster larvae can eat the smaller ones. Keep the lobsters healthy and growing by feeding them. In the wild, lobsters eat small crustaceans, mollusks, and fish. Appropriate lobster feed can be purchased from the supplier of your larvae, or ordered online. If you can't find lobster food blends, you can use cod feed. Follow the instructions on your packaging for serving sizes. Try to secure a reliable source of lobster feed before you begin your farm. Provide netting over your troughs to prevent your lobsters from escaping. You can also place bamboo slats on the top of the troughs for added security. This will help keep your lobster hatchlings safe from predators, like birds. Netting can be purchased at many home improvement stores or online.