Live Food (Chapter 1 - 4) | Baamboozle - Baamboozle

Why Daphnia is not suitable for marine fish species?

Freshwater species, Low content of essential fatty acids, Low HUFA

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Give THREE (3) criteria for food source that is suitable for the fish fries.

easily digestible, contains enzymes systems which allow autolysis, supplies all the essential nutrients

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Give THREE (3) factors to be considered while selecting types of feed.

the species being cultured, age of the animals being fed, culture conditions, level of intensification.

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What are live foods?

Able to swim in water column, Constantly available to fish and shellfish larvae, Likely to stimulate larval feeding response.

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Copepod produce eggs asexually.

No. Sexually.

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When fish larvae starts to eat? How many days old?

3 or 4-day-old

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When rotifer reproduce sexually?

when environmental conditions are stressful.

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Artemia is freshwater or seawater species?

seawater

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What is the species name?

Brachionus plicatilis

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What is plankton?

the diverse collection of organisms that live in large bodies of water and are unable to swim against a current.

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Why hatchery has to culture microalgae?

food source for zooplankton, bivalve, gastropod, fish larvae, shrimp larvae

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Artemia can produce eggs asexually?

No. It reproduce sexually.

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Give THREE (3) reasons why rotifer is so popular among fish hatcheries?

Tolerance to a wide range of environmental conditions, High reproduction rate, Small size, Slow swimming velocity.

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