Harvesting Techniques In Traditional Shrimp Culture, , Vannamei Shrimp culture In India, , Clips On

Harvesting Techniques In Traditional Shrimp Culture, , Vannamei Shrimp culture In India Harvesting process: Partial harvesting is useful in some types of management systems where only large shrimp are to be caught and smaller shrimp left in the pond to grow larger, and in polyculture where a farmer wants to harvest shrimp but not fish. Shrimp typically have different growth rates with some individuals growing much faster than others. It is possible to selectively harvest these large individuals before the main crop is harvested. In a programme of selectively cropping the larger shrimp from a pond, the pond must be totally harvested occasionally, or the pond will end up with mostly small males. This is especially true for species of Metapenaeus with a large size difference between sexes. Nets: Cast nets, lift nets and seine nets can be used to harvest shrimp. Their use can be made more effective by setting out bait or food in the area to be fished. If fishing is done at night, lights can be used to