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I like padlet

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a. What is aquaculture?
Aquaculture includes the activity of breeding, rearing, and harvesting of aquatic plants and animals (such as fish, mollusks, crustaceans, algae, etc.) in various types of controlled and natural water environments for the purpose of food, sport, medicine and so on.
b. Why diseases normally occur in the cultured fish compared to wild fish?
Diseases are more prevalent in cultured fish as compared to wild fish mainly due to many factors. However, the most important factor contributing to this difference would be population density or stocking density. In commercial aquaculture farms, the number of individuals per unit area are usually much higher. Animals live in very close proximity thus, infectious agents are able to spread from sick animals throughout the population very quickly. The high stocking density also leads to unconducive environmental conditions such as poor water flow & poor water quality which not only furthur encourages microorganism growth but also increases the stress levels of the fish leading to immunocompromise.

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Nickname : Ifah

Hometown : Pontian, Johor & Kuala Terengganu

Interest : Writer, Multimedia, Photography, Marketing, Videography, Art Design (Animation), Painting, Marketing, Nanotechnology Engineering

Question :
A)Aquaculture is aqua farming where the breeding, rearing, harvesting of aquatic organisms such as fish,crustaceans, molluscs, aquatic plants. It involves cultivating freshwater and saltwater populations under controlled conditions and it is different with commercial fishing that are harvesting of wild fish.

B)Diseases normally occur in the cultured fish compared to wild fish because the cultured fish are raised in the close quarters and pens in oceans with mixed unnatural diets means diseases can spread quickly and pathogen can spread like wild-fire. Concentrated antibiotics, pesticides and other drugs are commonly used to fight diseases and common parasite to fish farms could destroy ecosystem and other living organisms and transmit disease.

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Nickname : Nisa
Hometown : Bachok, Kelantan.
Interest : Playing chess, watching movie, listening to music.

Answering the questions given :

a)      What is aquaculture?

Aquaculture is the cultivation and harvesting of plants and animals in water (Saunders, 2007). Aquaculture refers to the breeding, rearing, and harvesting of plants and animals in all types of water environments including ponds, rivers, lakes and the ocean. Aquaculture produces foodfish, sportfish, baitfish, ornamental fish, crustaceans, mollusks, algae, sea vegetables and fish eggs. Aquaculture includes the production of seafood from hatchery fish and shellfish which are grown to market size in ponds, tanks, cages or raceways and also includes the production of ornamental fish for the aquarium trade, and growing plant species used in range of food, pharmaceutical, nutritional and biotechnology products.

b)     Why diseases normally occur in the cultured fish compared to wild fish?

Diseases normally occur in the cultured fish compared to wild fish because of few factors. Firstly, for the cultured fish, usually the area provided was small with the maintenance of  large number of fish crowded together will provides an environment conducive for the development and spread of diseases. In this crowded, relatively unnatural environment, fish are stresses and more susceptible to disease. To be compared with the wild fish whose can swim freely in their natural environment with plenty of spaces will not easily get stressed which will lead to disease. Second is the water environment for cultured fish is usually limited water flow which will facilitate the spread of pathogens within crowded populations. To be compared with the wild fish, the population densities of wild fish are comparatively low and the concentration of pathogens from an infected fish is rapidly diluted in the environment thus lowing the probability to be infected with diseases.

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Blood smear, group 3

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a) Aquaculture is the art, science and business of controlled cultivation of aquatic animals and plants useful to humans.

b) The population density of cultured fish is usually higher than wild fish. With the comparatively low population densities of wild fish, the concentration of pathogens from an infected fish is rapidly diluted in the water environment. On the other hand, the maintenance of large number of cultured fish crowded together in a small area provides an environment conducive for the development and spread of infectious diseases. As fish density increases, rate of contact and pathogen transmission increases accordingly. Fish are stressed and more vulnerable to diseases when crowded. Many fish disease organisms do not cause clinical disease until infected fish are placed in stressful conditions. In addition, relatively unnatural water environment and limited water flow expedite the spread of pathogens or diseases within the high density populations.

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Blood smear of fish (GROUP 2)

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Jelebu, N. Sembilan
Playing Futsal

Aquaculture known as fish or shellfish farming which refers to the breeding, rearing, and harvesting of plants and animals in all types of water environments including ponds, rivers, lakes, and the ocean

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raub,phg
interest in sleep,food and shopping

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Muhammad Nur Izzat Bin Abd Gani

Nickname:
Hometown: Bandar Baru Salak Tinggi
Interest:

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Nickname: hafiz
Hometown: pandamaran jaya
Interest: sleep

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ERRA IZZATUR BINTI JAMSHAREE SUHAIMI (left)

Nickname: Erra
Hometown: Terengganu
Interest: movie, music

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Sorry doc,  webcam failed!

Name: Che Nursyahira
Nickname: Che
Hometown: Gombak, Selangor
Interest: Music, anime, sleep

1) Aquaculture is the farming of the aquatic organisms such as fish, molluscs, crustaceans, as well as aquatic plants. It also involves the cultivation of freshwater and saltwater populations under controlled conditions, and can be contrasted with commercial fishing, which is the harvesting of wild fish.

2) Diseases normally occur in the cultured fish compared to wild fish due to several factors. One of it is the population density in which the cultured fish commonly has a higher population density which will allow the disease to spread more easily due to the increasing contact between the infected and uninfected fishes. Furthermore, the high density of the cultured fish in unnatural surrounding which is not their natural habitat will lead to even more stressful condition as crowded density will cause the increase of competition for resources and lead to aggression that can injure them. Besides, cultured fish with high population density can also lead to poor water flow and quality which increases the pathogen concentration in their holding system. Higher pathogen concentration contributes to immunocompromised state in the fish. As a result, these stressors combine with immunocompromised condition make them more susceptible to diseases. In comparison to the cultured fish, the wild fish have a lower population density in their natural habitat and the pathogens from infected fish can be washed away or diluted by the water flow or probably will not have chances of contact with the healthy fish at all.

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Nickname: Ain
hometown: Kuantan, Pahang

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From left: Anisa, Baika, Fatin, Anis, Jing

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From left: Anisa, Baika, Fatin, Anis, Jing

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1) Nickname: Nisa
Hometown: Gurun, kedah

2) Nickname: Jing
Hometown: Sekinchan, Selangor
Interest: Watching drama +
sleeping

3) Nickname: Anis
Hometown: Kulim, Kedah
Interest : Sleeping...

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1.Name :Arifah Zin
2.Hometown : Pontian,Johor
3. Interest :Multimedia,Photography, Videography, Writing, Art Design, Marketing,
Nanotechnology

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Nickname: Suan
Hometown: Penang

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Nickname : Faezah
Hometown : Bangi, Selangor
Interest : ...

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From left:Mimi,Nabilah

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Nickname: Syira
Hometown: Sepang
Interest: Kacau orang, eating, STUDY! ;)

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Nickname: Kit
Hometown: Menglembu, Perak
Interest: Watching Movie

1. Aquaculture is the farming of aquatic organisms, including fish, molluscs, crustaceans and aquatic plants in natural or controlled marine or freshwater environments.

2. Diseases can occur amongst cultivated fish which are kept in much higher stocking densities compared with wild fish. Disease and parasites can be easily transferred between individuals due to their close proximity.  High stocking density also lead to poor water quality and crowding. This will become the stressors to the cultivated fish and increase susceptibility to disease. Besides that, aggression of the fishes due to competition for food causes fin erosion and cannibalism. Health level of the fishes decrease and fishes are more prone to diseases. Holding system in fish farming can increase the susceptibility of the fishes to the disease if the management is poor. Poor water flow and water quality increase the concentration of the pathogen in the holding system over time. These pathogens cause disease in fishes with suppressed immune system. If the quantity of the pathogen is sufficient it can affect the healthy fishes as well. Wild fishes normally live in freely flow water such as river, sea, ocean and others so the number of pathogen is less concentrated in these habitat.

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From left : Nur Ain Ab Aziz,
Right : Khairun Anisa bt Mat Yazid
Nickname : Anisa
Hometown : Bachok, Kelantan

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Nickname: Sherry, Amira
Hometown: was born in KL, grew up in Nilai (yeay WAGHIHHHH)
Interest: Shin Segi *shy shy cat* and FOOD hahaha

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Nickname: Wong
Hometown: Alor Setar, Kedah
Interest: KUCINGGGGG

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From left: Sherry, Erita & Farah

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SYAHIDATUL AFIQAH BINTI SHAHRIMAN
nickname: fqa
hometown: rawang, selangor
interest: music, shopping

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Nickname: Dylan, Choy
Hometown: Seremban, NS
Interest: Travelling ✈️, Movies 🎥 and TV series 📺, Social Media 😎

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Nickname: Ravee
Hometown: Bukit Katil, Melaka
Interest: Art and music

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Helluuuuu......:)
Nickname: Salya
Hometown: Puchong
Interest: lazying around..hahax

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Hiiiiii
Nickname: Kim
Hometown: Peringgit, Melaka
Interest: Sleeping XD

a) Aquaculture is the farming and husbandry of aquatic organisms under controlled or semi-controlled conditions. The organisms may be plants, fish or shellfish.

b) Population density is an important factor in the spread of fish diseases. Diseases can spread more easily within dense populations because of increased opportunities for association of infected fish with uninfected fish. In this crowded relatively unnatural environment, the cultured fish are stressed and more susceptible to disease. Moreover, the water environment and limited water flow facilitates the spread of pathogens within crowded populations. On the other hand, population densities of wild fish are comparatively low and the concentration of pathogens from an infected fish is rapidly diluted in the water environment.

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Nickname : Daoh
Hometown : Pasir Mas Kelantan
Interest : Playing video games and Futsal

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Hi! I'm your teacher for your aquatic animal health...
SELFIE...
Let's introduce ourselves here!
1. Name:
2. Nickname:
3. Hometown:
4. Interest:
5. Answer these questions:
a. What is aquaculture?
b. Why diseases normally occur in the cultured fish compared to wild fish?

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https://www.tes.com/lessons/Qx_W0wFOvOj8KQ/collab/NFBzWFwORdGvbsmMBzqycssoyYGPuMtE/register