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Pisciculture: This is the culturing of fishes. There is a principal form of aquaculture called Fish farming, while other methods can come under mariculture. Fish farming main aim is to raising fish commercially in tanks & in enclosures, generally for food. A facility is given to those releases young juvenile fish into the wild for recreational fishing or to supplement a new species natural numbers of fishes is commonly referred to as a fish hatchery. The most common fish species that are use by fish farms are carp, salmon, European seabass, tilapia, cod or catfish.
Now a day, there is an increasing demand for fish or fish protein, and the result is widespread overfishing in wild fisheries. Fish farming or pisiculture offers a fish marketers another source. However, the farming of carnivorous fish, like as salmon, does not always reduce pressure on wild fisheries, since carnivorous farmed fish are generally fed from fishmeal or fish oil that is extracted from wild forage fish. That is why, the salmon fish can consume in weight more wild fish than they weight themselves.
Nutrients and the Soil Early experiments on mineral uptake were performed by Hoagland, Stout and Amon in 1923. They showed that minerals were taken up from the soil primarily
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Write short note onApplications of apical dominance in horticulture and agriculture
#questioen..what is the example of outline og phylum coelenterata
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In Drosophila, these genes occur on chromosome 4. H - wild type (normal) h - hairy F - wild type f - frizzled E - wild type e - vest
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Why do organisms live in certain places? Think of that, the temperature dissimilarity in the desert is huge. So in order to survive, the cactus plant decreases heat gain and he
What is hemoglobin F? Why does the fetus need a different hemoglobin? Hemoglobin F is the hemoglobin found in the mammalian fetus and hemoglobin A is the normal hemoglobin. Hem
charactoristics of offset
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