Domestication generation and development of giant barb catlocarpio siamensis boulenler 1898
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DOMESTICATION, GENERATION AND DEVELOPMENT OF GIANT BARB ( Catlocarpio siamensis BOULENLER 1898) - PowerPoint PPT Presentation


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DOMESTICATION, GENERATION AND DEVELOPMENT OF GIANT BARB ( Catlocarpio siamensis BOULENLER 1898). INTRODUCTION. - Belonged to common carp family of Cyprinidae , distributed in the Mekong river. The fish is of big size, with flesh of good taste preferred by many people.

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Introduction
INTRODUCTION

- Belonged to common carp family of Cyprinidae, distributed in the Mekong river. The fish is of big size, with flesh of good taste preferred by many people.

  • In the past, giant barb was farmed together with other species, e.g. tra catfish, silver barb, Tilapia. However, the farming ratio was very low due to scarce availability in the wild. The fish can reach a weight of 2 – 3 kg/individual after 1 year.


Scarce availability in the wild fishermen turned to other species

INTRODUCTION

Scarce availability in the wild. Fishermen turned to other species.


Broodstock domestication
BROODSTOCK DOMESTICATION

  • After being collected, giant barbs are raised together with Tilapia, silver barb, common carp, etc. in order to get used with artificial feeds.

  • Home-made feeds, or pellet feeds with protein ratio of 25 – 28%, portion of 2 – 3% BW, added with 0.1 – 0.2% of kawa fruit and vitamin C, E 0.1%.


Broodstock growing
BROODSTOCK GROWING Ï

  • Average weight of broodstock: 8kg

  • Pellet feed with 26 – 30% protein

  • Portion 2 -3%, added with 0.1 – 0.2% of kawa and 0.1% vitamin C, E.

  • Water change is carried out in every 2 week for 20 – 30% of water volume.




Domestication generation and development of giant barb catlocarpio siamensis boulenler 1898

Collection of male fish’s sperm

Collection of female fish’s eggs

Artificial fertilization

Egg incubation


Domestication generation and development of giant barb catlocarpio siamensis boulenler 1898

2-stage method: - Stage 1: from 1 – 30 days of age, nurse in tanks with density of 200, 400 – 500 and 1,000 individuals/m2 - Stage 2: from 31 – 60 days of age, nurse in earthen ponds with density of 50-200 individuals/m2

FRY NURSING

Direct nursing in pond