Question 1)a) Explain in detail the significance of dissolved oxygen in aquaculture ponds. Explain the methods of maintaining desired level of oxygen and the precautions to avoid oxygen crash.
b) Write down the main nutrients essential in the aquaculture pond? Explain the methods for nutrient enrichment.
Question 2)a) Write the essay on feeding techniques and feed rationing procedures for a shrimp farm.
b) Explain the ideal composition of formulated feeds and add a note on the main ingredients of shrimp feed.
Question 3)a) Write down the general precautions to be adopted for maintaining a disease free culture farm. Write a short account on the infectious disease of shrimps.
b) Write detailed notes on
(i) Nutritional probiotics
(ii) Prophylactic measures
Question 4)a) Describe the role of R & D institutions in the promotion of coastal aquaculture.
b) Describe the significance of the following
(i) NABARD
(ii) Insurance coverage for aquaculture.
Question 5)a) Give an overview of government policies on Indian coastal zone management, with special reference to coastal aquaculture.