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Alternative aquaculture encompasses the farming of non-traditional species such as bullfrogs, crawfish, shrimp, and alligators. Each crop presents unique challenges; bullfrogs are territorial and require live food, while alligators face strict government regulations and permit requirements. Crawfish and shrimp need extensive filtration due to their territorial nature and planktonic stages. This overview delves into the aquaculture systems employed for these species, including artificial ponds for bullfrogs, recirculating systems for alligators, and rotational methods that integrate crops like rice and soybeans.
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What are considered alternative aquaculture crops? • Bullfrogs • Crawfish • Shrimp • Alligators
Problems with raising bullfrogs • Frogs are territorial • They only eat food that is alive • The are predators
Problems with raising alligators • Government regulations • Must obtain a permit • Obtaining proper feed • Carnivores • Can be dangerous
Problems with raising crawfish and shrimp • Territorial • Planktonic stage – issue with filtering • Lots of filtration required • Temperature
Aquaculture Systems • Bullfrogs – artificial ponds • Other types have problems with cannibalism, disease, sanitation, and inadequate nutrition • Alligators – Recirculating system • Concrete, heated pens with pools • Crawfish/shrimp – ponds • Monoculture – Cultivated, wooded, vegetative • Rotational – rice – crawfish – rice; rice – crawfish – soybeans; rice – crawfish – fallow (empty)
