Wastes must first be removed from the culture water and then disposed of in an environmentally benign manner, or preferably, in a profitable manner. In the overview of the waste removal methods below it will be assumed that removal of the wastes from the water is separate from disposal unless it is noted in the text that the process being discussed combines the two functions.
There are some general principles that need to be followed in waste systems or recirculating systemdesign. First, themore quicklywastes are removed fromthewater the less time they have to break down and the less oxygen they will demand from the culture system.
Scientists have recently discovered markers for genes that determine how well black tiger shrimp resist the disease and are now planning to look for the same genes in white shrimp -- a find that could significantly reduce the problems caused by disease in the international shrimp farming industry
One of the stated goals of the frac industry is to be able to remediate and recycle frac water as many times as possible before it has to be disposed. Ideally, the recycling process would continue indefinitely or until the water evaporated through natural means.
New fish farm business owners soon learn that fish farming has its benefits and rewards, but also its share of challenges and frustrations. The easy challenges turn out to be locating land for the farm and deciding on the source of food for the chosen specie.
By some estimates there are over 200 billion gallons of animal waste disposed of each year onto farmland or into nearby waterways. Concerns over pollution and water contamination has lead to a growing number of lawsuits filed by environmental groups against local feedlot operators.
Interest in captive reproduction of penaeid shrimp is increasing worldwide due to the urgent need to establish selective breeding programs and produce certified, diseasefree postlarvae.
Interest has renewedin multiphase shrimp production, where shrimp postlarvae (PL) are stocked in intensive raceway tanks during a short nursery phase before stocking in growout ponds.
With the global spread of viruses that affect farmed shrimp, biosecurity has become an essential element of every farm operation. Biosecurity starts with quality of farm design and is followed by biosecure operations and farm practices.
Astable supply of high-quality postlarvae (PL) is an essential requirement to guarantee the future sustainability of shrimp production. Hatchery production has become the principal source of PL for the industry. It is estimated that in 2002, more than 11,500 hatcheries produced 220,000 million PL worldwide.
Although Bali is primarily a tourist destination, several small family-owned shrimp farms are located here. The Ndaru Luat Setio shrimp farm at Kubu raises specific pathogen-free Litopenaeus vannamei in ponds that apply basic biofloc technology with zero water exchange.
Silver Bullet Water Treatment announces its system has been proven a key in the control of vibrio parahaemolyticus (v. parahaemolyticus). silver bullet system recognized as a powerful solution for the shrimp aquaculture industry.
Producing tilapia seed is relatively easy, as all tilapia species mature early (in four to six months) and reproduce year-round under suitable environmental conditions. They produce large eggs and exhibit a high level of parental care that ensures high larval survival.
Much of Brazil’s expanding tilapia aquaculture takes place in floating cages with sturdy frames and nets made from plastic-coated steel or polypropylene.
Enterocytozoon hepatopenaei (EHP) is a microsporidian parasite that was first characterized and named from the giant or black tiger shrimp Penaeus monodon from Thailand in 2009 (Tourtip et al. 2009. J. Invertebr. Pathol. 102: 21-29)