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Organic acids potential replacement for antibiotic treatments of tilapia
Dietary organic acids can exert antimicrobial effects and benefit growth, nutrient utilization and other health parameters in tilapia.
Tilapia production in Asia focuses on either fresh whole fish or larger frozen whole fish or fillets, depending on farm size, cash flow and other factors.
Dietary organic acids can exert antimicrobial effects and benefit growth, nutrient utilization and other health parameters in tilapia.
Shrimp color is caused by pigments that play an important role in camouflage for survival. For farmed shrimp, proper coloration is generally achieved via synthetic astaxanthin in feed.
With its large quantities of water and little industry to pollute it, Guyana has the potential to become a greater player in global aquaculture.
Vaccination against the Ich parasite is an alternative to chemical treatment. Fish develop a humoral immune response to trophont antigens, with the degree of protection related to the immunizing doses of trophonts used.
The method can shorten analysis time and has applications for IMNV diagnosis in resource-poor settings because it does not require specialized equipment.
A rapid lateral-flow immunoassay using monoclonal antibody combinations can identify necrotizing hepatopancreatitis (NHP) infection in less than 15 minutes.
The production of early generations of domesticated broodstock in open-environment ponds may have hampered the domestication of black tiger shrimp.
In recent decades, mass summer mortality in oyster aquaculture has become widespread, with 50 percent of crops lost in a given year. Losses are often associated with spawning, which is normally seasonal but highly temperature-dependent.
A significant part of any hematological evaluation of fish is the preparation, microscopic examination and interpretation of stained blood smears.
Shrimp do not produce antibodies and therefore do not remember prior exposure to pathogens, a critical component of long-term protective immunity.
A pilot project in Kentucky that uses wastewater effluent and decommissioned tanks at a water treatment plant has cultured over 70,000 phase II paddlefish.
Tilapia infected with streptococcosis pathogens exhibit similar clinical signs, including lethargy, abnormal swimming and lack of appetite.
The advent of specific pathogen free Pacific white shrimp became a powerful tool for lessening the impacts of diseases in aquaculture.
Although selection in fish is progressing rapidly, slower adaption to captivity over several generations can limit animal welfare problems.
Hubbs-SeaWorld Research Institute developed an integrated larval-nursery recirculating aquaculture system for California halibut utilizing shallow raceways for juvenile culture.