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Turtle Aquaculture

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Natalie Huang

on 21 November 2014

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Transcript of Turtle Aquaculture

Chinese Soft Shell
(Trionyx sinensis)
Disease and Control
Bacteria: Swollen neck disease, necrotic stomatitis, septicaemic cutaneous ulcerative disease
Turtle Aquaculture
Turtle Production
By: Natalie Huang, Stephanie Li, Aogu Miyama
Used primarily for food and medicine; other species are used as pets (turtle soup)
Main Issues
Need to:
Promote turtle farming for poor families.
Improve farming methods and disease management.
Provide capital for farmers to initiate this form of aquaculture.
Got Questions?
Breeding & Breeding Pond
Hatching Husbandry
Cultured Aquatic Species Information Programme. Trionyx sinensis. Cultured Aquatic Species Information Programme. Text by Luong Thi Bao Thanh, Nguyen Thi Ngoc Anh and Tang Minh Ky. In: FAO Fisheries and Aquaculture Department [online]. Rome. Updated 28 September 2010. [Cited 9 November 2014]. http://www.fao.org/fishery/culturedspecies/Trionyx_sinensis/en#tcNA00D9
Grow Out
Extra Information: Popular pet turtles
Color olive gray to greenish brown with numerous yellow-bordered black spots and yellowish dots in younger individuals
yellow spotting tends to disappear in adults
Generally, males differ from females in being shallower and having long, thick tails, with the vent near the tip.
Females are more domed and the tails barely extend past the carapace rim. Females are normally larger than males, to allow for egg development.
They are almost wholly aquatic but come ashore when the weather is favorable to sunbathe
Soft-shell turtles have an aggressive disposition
When turtles are starving, they are cannibalistic
the most common foods eaten are zooplankton, insects, crayfish, crabs, fish, molluscs
Background Information
Japan was the first to start
sold for food
used for medicine
sold as pets
raise primarily freshwater turtles
Chinese Soft-shelled Turtles for food
Virus: unnamed viral disease; causes poor apetite, red blood spots, mucus layer on limbs and neck
Fungal infections: symptoms include tufts of dirty, cotton-like material on shell
Nutritional deficiencies
•uniformed size, healthy
•females ovulate 2-5times/yr,
8-12 ton20-30 eggs on a moist soil

•enough water supply
•100-400m2, 1 m depth of water, 1.5m dike
•fill with shallow sand in Styrofoam boxes

•cover eggs with sand and close
with lids to keep temperature

•normally, 30-34℃ for 50-55days
•kept in small tanks
•fed with cooked egg yolks and threadworms
•filled with clean freshwater
•soft-shell turtles grow slowly
•low temperature (10℃) brings slow growth
•400-600g after 1 year
•females grow faster than males
are farmed in China (Liaoning, Shaanxi, Anhui, Zhejiang, Guangdong)
(Female Turtle)
Soft Shell Turtle farming provides means of poverty alleviation in developing Asian countries
Selective breeding programs are required to improve disease resistance
Methods of farming also need to be developed
Red eared sliders: most popular domesticated pet turtle
Native to southern U.S. but have become an invasive species
named after the red stripe on the side of head and also their ability to slide to escape predators
Eastern box turtle: Found throughout most of the U.S.
omnivorous diet
terrestrial, but should have a small wading pool as well
Turtle shells make up their own market
Full transcript