Mercury scare: Conflicting reports affect U.S. seafood attitudes, consumption
U.S. news media, doctors and even dietitians are warning patients that methylmercury in fish can harm them, their children and their unborn children.
Chloramphenicol revisited
Zero tolerance for chloramphenicol residue in food by the European Community indicates that chloramphenicol risks are regarded as real by European regulators.
Researchers capture images for practical molt stage analysis in shrimp
Many production aspects in shrimp culture are related to the molt stage, such as mating in closed-thelycum species, market value and eyestalk ablation.
Stressors in fish culture decreased through dietary manipulation of arachidonic acid
Studies show that dietary arachidonic acid improves fish survival and growth if offered together with suitable levels of the other essential fatty acids.
Levels of dietary gossypol affect growth, bacterial resistance of Nile tilapia
Dietary gossypol from cotton seeds, if present in large amounts in a diet, causes unfavorable physiological effects in monogastric animals including fish.
Development of DNA vaccine for piscine mycobacteriosis
Wild and cultured fish around the world are commonly affected by piscine mycobacteriosis, infections of which often manifest as acute or chronic diseases.
Dietary modifications for desert shrimp farming
Since the first pioneer shrimp farm was established in the area in 1997, desert shrimp farming in Arizona, USA, has expanded rapidly.
Hydrogen peroxide treatments improve catfish embryo survival
Without hydrogen peroxide treatments, pathogens like fungi and bacteria can overtake the egg mass and significantly reduce channel catfish embryo survival.
Hyperintensive systems produce turbot, spotted wolffish
The development of land-based, hyperintensive farming systems for fish and shellfish production could quickly expand in industrialized countries.
Early weaning of pike larvae effective in fresh, saline waters
A replacement diet formulated specifically for northern pike larvae was not available in Europe, with the brine shrimp artemia most often used as live food.
Sea birds pose threat as vectors of penaeid shrimp pathogens
Sea birds can spread viral, bacterial, fungal and protozoan diseases to shrimp farms, so future farm designs should take their presence into account.
Studies move toward standardized challenge model for Columnaris in channel catfish
Columnaris disease in channel catfish is caused by Flavobacterium columnare, a gram-negative, long rod-shaped bacteria ubiquitous in freshwater environments.
Latin America FAO project establishes hatchery standards, info system
At a United Nations Food and Agriculture Organization (FAO) workshop 14 shrimp-producing countries discussed strategies for controlling shrimp diseases.
Necrotizing hepatopancreatitis: Diagnosis, distribution in shrimp
Necrotizing hepatopancreatitis has become one of the most important bacterial diseases affecting shrimp farming in the Americas.
Selectively bred shrimp survive varied TSV exposure
A 14-day study evaluated mortalities related to TSV exposure, as broodstock resistant to an “old” strain succumbed to a “new” Belize strain of the virus.
Diseases of cultured yellow perch
Yellow perch is an emerging aquaculture candidate susceptible to a wide range of disease syndromes with infectious and non-infectious causes.