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MELON-SHAPED SIEGE DISEASE
1.5.1. Reason: this disease is caused by a type of protozoa that has scientific name as Ichthyopthirius multifiliis. The grown up siege is shaped like a melon and the diameter of body can be changed from 0,5-1,0 mm. all over body has many short first caterpillars. The part of front belly has spiral mouth where siege sticks on fish to suck the ...
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SELECTING AND RELEASING BREED
Breed is an important element to lead to succee in the rearing of the shrimps.The good breed quality ensure to it’s overcome the epidemic diseases, the qual development, the easy management and save the spending account.
1/ The breeding: The quality of breed dependson the quality of parents’shrimp,the process of product farm and condition,me ...
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MANAGING AND TAKING CARE OF THE SHRIMP PONDS
It’s a long time process,requises the manager who constantly have to look after,inspect every situation of the pond about the environment,fooder the activity situation of shrimp,the microorganism development such as the weather varies,the evolution of epidemic diseases in the breed area with plan,measure prevent suitable.
In short,the pond mana ...
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THE BLACK GRILLS DIEASE
1.1. Causes: It’s a usual disease in shrimps one to the ponds have the badly quality,exist a lot of heavy mental ions,the excess of fodder or the organic humus,the muddy water and others impurities. 1.2 Symptom: The shrimp grills have brown or black.Shrimp will be oppresive and float head.If illness of shrimp is serious, the grills system will ...
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IRISH MOSSTHROW-IN DIEASE
2.1 Causes: Irish moss throw-in disease,development viscous throw-in on shrimp can owe to thread bacteriums,protozoa or nutritive alga,fungus,coarsely let to molt snatchy and another individuals the defendant chitin shell quality unkind to become easy cling.Easy disease happen in ponds trophogenic that there is pond low-water level(Irish moss,alg ...
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DISEASE OF BROKEN FEELER, FRAYED TAIL, ADDLED AND ROTTEN AUXILIARY ORGANS
1 Causes: Environment of shrimp farming is abundant in parasitic bacterium, microorganic fungi. It is popular in ponds where rearing density is too numerous and dirty bottom owing to redundant victuals. 2. Symptom: Shrimp feeler is cut down, tail is well swollen and come out pus. When seriously ill, tail and lobe of leaf is frayed, leg and bye ...
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FLABBY SHELL DISEASE
1.Causes: Owing to high density of rearing, underfeeding or being short of canxi and phosphorus, owing to dirty bottom of pond, in abundance of poison gas or sustained PH. 2.Symptom: Pale colour, non-rigid shell, easily parasitilized. Shrimp acts laggardly, has no weight gaining and becomes feeble gradually. Shell shrimp is flabby 3. Tre ...
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LUMINOUS DISEASE
1.Cause: Owing to algae or kinds of parasitic Vibrio bacteria. Luminescence caused by bacterium is seriuosly dangerous. 2.Symptom: * Luminescence owing to alga: Give a swim to shrimp in clean water vase laying in the dark, don’t give a light * Luminescence owing to bacterium: Head and pectoral part luminesce when we look at shrimp in th ...
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CROOKED TRUNCAL DISEASE
1. Reason: Due to temperature of pond water, shrimp shocked by temperature or lacking of mineral and required vitamin.
2. Symptom: Body of shrimp is crooked, spastic and they can’t strectch again. Shrimp is immersed in bottom and dead. Disease often happens to types of above 10gram shrimp. Picture: crooked shrimp’s body disease ...
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WHITE SPOTS DISEASE
1 Symptom: Appearing in all over period of shrimp rearing, nearly all in shrimp aged 1 month of birth and above. Shrimp shell has round white spotting in cephalothorax and then spreads to over systemic parts . Contaminated shrimp is dark red in all over body and shrimp feeler is almost cut off. It give up eating completely, swimming is embossed ...
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MELON-SHAPED SIEGE DISEASE
1.5. MELON-SHAPED SIEGE DISEASE 1.5.1. Reason: this disease is caused by a type of protozoa that has scientific name as Ichthyopthirius multifiliis. The grown up siege is shaped like a melon and the diameter of body can be changed from 0,5-1,0 mm. all over body has many s ...
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