Sciences Department‚ College of Science‚ De La Salle University-Dasmariñas Introduction Parasites of fish constitute one of the major problems confronting modern fish culturists and pathological conditions arising from parasite infections. It assumes a high level especially under crowded conditions (Van Dan Broek 1979). Commonly‚ nile tilapia (O. niloticus) and galunggong (D. maruadsi) are staple fish food and common preference among Filipinos because of its affordability and availability in the Philippines
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1. Honey bees have been shown to have a wide range of cognitive skills. They are sensitive to odors (including pheromones)‚ tastes‚ and colors‚ including ultraviolet. They learn such things as color discriminations through classical and operant conditioning and retain this information for several days at least; they communicate the location and nature of sources of food; they adjust their foraging to the times at which food is available; they may even form cognitive maps of their surroundings. Communication
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CHAPTER-1 INTRODUCTION 1 INTRODUCTION The organisation can be defined as “the planned coordination of the activities of a number of people for the achievement of some common‚ explicit purpose or goal‚ through division of labour and function and through a hierarchy of authority and responsibility.” Organisations are not just means used by groups of people to achieve some goals. They present different images like‚ Organisations as machines Organisations as living systems Organisations
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hard for some people. Fish behavior has been studied by many different people. Many people have come to the conclusion for bass fishing that it is very difficult to catch bass in between the months of June to September (Bass-Fishing Tips). That doesn’t mean it’s impossible to catch a bass in those months but it does mean that it is more difficult (JEREMY HOEFS). They say it is hard to catch
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At night the temperature is a little cooler. You must be carefully‚ because there are a lot of poisonous animals and different types of insect. Example‚ spider and snake etc. There are many streams and rivers and there are many different types of fish. Fourth slide-Items After the crash‚ all things have remained in the sea. You don’t have any time‚ because in the water swimming crocodiles and you must quickly get only necessary things. We choose only 12 things. Fifth slide-Choisen We chose
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perseverance. The Old Man and the Sea takes place in Cuba in the 1940s. Santiago‚ often referred to as the old man‚ is an old fisherman who has ran out of luck. He hasn’t caught a fish in 84 days when he decides to go out a little farther than usual. On this three day fishing expedition Santiago hunts down a huge fish in an attempt to break his 84 day hiatus. While on his adventure‚ the old man has several struggles he has to persevere through‚ and while doing so he teaches us a lot about life and
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Fishing is a something that takes a lot of patience‚ practice‚ and knowledge to be good at it. These factors make it a very challenging sport or recreation. Bass fishing in particular is one that takes the most of of patience‚ practice‚ and knowledge. In the world of bass fishing it can be very complex because there are things that have to be done like choosing the right kind of bait‚ locating where the bass are‚ and understanding the competitive sport of bass fishing. In the world of bass fishing
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Aquatic Invasive Species Two thirds of the forty freshwater fish extinctions are known to have been caused by invasive species. The extinctions could have been caused by any one of the four thousand three hundred known invasive species in the United States. In Minnesota‚ the land of ten thousand lakes‚ thirty-five percent of all recreational waters are known to hold at least one invasive species (Invasive species of aquatic plants and wild animals in Minnesota: Annual report). The common carp‚ zebra
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growth hormone cDNA and compered the inheritance of the GH transgenesis‚ and growth rate. Most of the DNA constructs are lost during the first 10 days after delivery into host embryos. Only about 0.0001% of the construct take permanent residence in the fish genome. Integration rates between 2% to 30% have been reported (Chen and Powers 1990; Hackett 1993; Karsi 2001; Chiou et
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PROBLEM Fishkill or many fishes found dead in fish pens during sudden change in weather. PRELIMINARY DATA 1-Tons of fish reported dead around Taal Lake and in Bolinao‚ Pangasinan. 2-Mostly bangus or milkfish and tilapia are found dead in these places. 3-Bangus and tilapia are not bought by people in the market. 4-Rains occur after hot days. HYPOTHESIS Sudden change in water temperature and lack of oxygen affects how fish lives in water. EXPERIMENT Using an aquarium measuring 10” x 12” x
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