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Aquaculture Unit 6 Lesson 1

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1 Aquaculture Unit 6 Lesson 1
Alligator Production Aquaculture Unit 6 Lesson 1

2 Objectives: List problems associated with alligator production
Describe the uses of alligator products. Identify the requirements for alligator culture Describe the dietary needs of alligators

3 Species that are used in production
American Alligator Most popular in US Readily available Crocodile or Caiman Used in foreign countries

4 Habitat of Alligators Fresh and brackish waters from North Carolina to Mexico Marshes, swamps, creeks, rivers, lakes and ponds

5 Seedstock and Breeding
Breeding occurs in water that is a minimum of 6 feet deep Courtship includes vigorous swimming and bellowing activities Alligators are reptiles and lay eggs Wild females reach sexual maturity at 9-10 years of age Optimum temperature for growth is degrees F Captive females reach maturity in 5-6 years Breeding season between April and July Nesting activity occurs in a 2 week period Clutch size averages eggs with hatchability 50-90%

6 Culture Method Hatchling moved to small tanks at degrees Fahrenheit Hatchlings grow 3 inches or more per month.

7 Stocking Rate Hatchlings 1 sq. ft. per animal
3 sq. ft. needed per 2-4 foot alligator 6 sq. ft. needed per 4-6 foot alligator

8 Feeding Young alligators – crawfish and insects
Larger alligators eat fish or mammals Captive alligators eat mostly a processed diet with 45% protein and 8% fat

9 Diseases Only 2 antibiotics used in disease prevention Oxytetracycline
Virginiamycin

10 Harvesting and Marketing
Harvesting size 4-6 feet in length Processing plants must abide by state regulations Hide and meat marketed to restaurants and tanneries.

11 Questions?


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