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VHSV can be spread from fish to fish through water transfer, as well as through contaminated eggs, [3] and bait fish from infected waters. [8] The emerald shiner is a particularly popular bait fish in the Great Lakes region, and is among the species afflicted.
An acute Chagas disease infection with swelling of the right eye (Romaña's sign) Chagas disease occurs in two stages: an acute stage, which develops one to two weeks after the insect bite, and a chronic stage, which develops over many years. [2] [4] [16] The acute stage is often symptom-free. [2]
The gas bubble disease can generally be prevented by avoiding the factor that cause the disease. Small gas bubbles in fish can be prevented and somewhat cured by relocating fish into deep water that contains higher pressures and therefore a higher amount of gases can be dissolved in the water.
If some of the fish they had previously eaten is available this can also be tested to confirm the diagnosis. [1] Preventive efforts include not eating reef fish, not eating high-risk fish such as barracuda, and not eating fish liver, roe, or fish heads. [2] Ciguatoxin has no taste or smell, and cannot be destroyed by conventional cooking. [2]
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Chagas disease can be prevented by avoiding insect bites through insecticide spraying, home improvement, bed nets, hygienic food, medical care, laboratory practices, and testing. [38] It can be diagnosed through a serological test, although the test is not very accurate. [18] Treatment is with medication, which may have severe side effects. [38]
Aquarium fish are often susceptible to numerous diseases, due to the artificially limited and concentrated environment. New fish can sometimes introduce diseases to aquaria, and these can be difficult to diagnose and treat. Most fish diseases are also aggravated when the fish is stressed. Common aquarium diseases include the following:
If your recipe does call for a hard cheese, Tanner says to add 8 ounces of Velveeta to the mix to prevent separation. You can also wait to add the cheese after the meal has already cooked.