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Author: Saurav Lamichhane Publisher: ISBN: 9783346496256 Category : Languages : en Pages : 58
Book Description
Bachelor Thesis from the year 2020 in the subject Biology - Zoology, grade: 3.87, course: Bachelor of Science in Fisheries, language: English, abstract: In this study, intensive common carp (Cyprinus carpio) culture was conducted from 2nd October to 28th October in experimental cemented tank of 25 m2 of Fish hatchery complex, AFU to learn to produce common carp through intensive culture. Intensive culture is a system where fish are culture in a well-managed manner and this system includes small ponds, tanks, and raceways with very high stocking density. In this system, fish is almost completely fed on formulated feed and good management is undertaken for controlling all aspects which require proper growth. Production of common carp is increasing so, intensification of its production from extensive to semi-intensive and intensive aquaculture systems is a new trend. The stocking density was 250 fish at the rate of 10 fish/m2. Average body weight of 27.9±9.8 g fish were stocked in the tank and feeding was done at 3% of body weight. Feed was made from mustard oil cake (70%) and rice bran (30%), a feeding tray having an area of 50x50 cm2 was used for feeding. Sampling was performed at a ten days interval and feeding was adjusted accordingly. The average temperature, DO and pH of the culture tank of 5:30 am and 3pm was 28.7±0.9 and 30.2±1.2°C, 7.1±1.3 and 12.4±1.6 mg/L, 7.7 and 7.8 respectively which were within the suitable range for culturing. After harvesting, the total harvested weight of fish was 12.9 kg while total stocking weight was 7.4 kg. Mean harvest weight of fish was 54.4±28.6 g while mean stocking weight was 27.9±9.8 g. The survival rate of fish was 97.6%. The extrapolated GFY and NFY obtained was 72.6 and 30.8 t/ha/year respectively. The fish were handed over to Aquaculture farm, AFU which they will rear further in tanks and ponds. During culturing water was exchanged daily in the morning for maintaining proper water quality. Thus, the results sug
Author: Saurav Lamichhane Publisher: ISBN: 9783346496256 Category : Languages : en Pages : 58
Book Description
Bachelor Thesis from the year 2020 in the subject Biology - Zoology, grade: 3.87, course: Bachelor of Science in Fisheries, language: English, abstract: In this study, intensive common carp (Cyprinus carpio) culture was conducted from 2nd October to 28th October in experimental cemented tank of 25 m2 of Fish hatchery complex, AFU to learn to produce common carp through intensive culture. Intensive culture is a system where fish are culture in a well-managed manner and this system includes small ponds, tanks, and raceways with very high stocking density. In this system, fish is almost completely fed on formulated feed and good management is undertaken for controlling all aspects which require proper growth. Production of common carp is increasing so, intensification of its production from extensive to semi-intensive and intensive aquaculture systems is a new trend. The stocking density was 250 fish at the rate of 10 fish/m2. Average body weight of 27.9±9.8 g fish were stocked in the tank and feeding was done at 3% of body weight. Feed was made from mustard oil cake (70%) and rice bran (30%), a feeding tray having an area of 50x50 cm2 was used for feeding. Sampling was performed at a ten days interval and feeding was adjusted accordingly. The average temperature, DO and pH of the culture tank of 5:30 am and 3pm was 28.7±0.9 and 30.2±1.2°C, 7.1±1.3 and 12.4±1.6 mg/L, 7.7 and 7.8 respectively which were within the suitable range for culturing. After harvesting, the total harvested weight of fish was 12.9 kg while total stocking weight was 7.4 kg. Mean harvest weight of fish was 54.4±28.6 g while mean stocking weight was 27.9±9.8 g. The survival rate of fish was 97.6%. The extrapolated GFY and NFY obtained was 72.6 and 30.8 t/ha/year respectively. The fish were handed over to Aquaculture farm, AFU which they will rear further in tanks and ponds. During culturing water was exchanged daily in the morning for maintaining proper water quality. Thus, the results sug
Author: Biplov Shrestha Publisher: GRIN Verlag ISBN: 3346496244 Category : Science Languages : en Pages : 58
Book Description
Bachelor Thesis from the year 2020 in the subject Biology - Zoology, grade: 3.87, , course: Bachelor of Science in Fisheries, language: English, abstract: In this study, intensive common carp (Cyprinus carpio) culture was conducted from 2nd October to 28th October in experimental cemented tank of 25 m2 of Fish hatchery complex, AFU to learn to produce common carp through intensive culture. Intensive culture is a system where fish are culture in a well-managed manner and this system includes small ponds, tanks, and raceways with very high stocking density. In this system, fish is almost completely fed on formulated feed and good management is undertaken for controlling all aspects which require proper growth. Production of common carp is increasing so, intensification of its production from extensive to semi-intensive and intensive aquaculture systems is a new trend. The stocking density was 250 fish at the rate of 10 fish/m2. Average body weight of 27.9±9.8 g fish were stocked in the tank and feeding was done at 3% of body weight. Feed was made from mustard oil cake (70%) and rice bran (30%), a feeding tray having an area of 50x50 cm2 was used for feeding. Sampling was performed at a ten days interval and feeding was adjusted accordingly. The average temperature, DO and pH of the culture tank of 5:30 am and 3pm was 28.7±0.9 and 30.2±1.2°C, 7.1±1.3 and 12.4±1.6 mg/L, 7.7 and 7.8 respectively which were within the suitable range for culturing. After harvesting, the total harvested weight of fish was 12.9 kg while total stocking weight was 7.4 kg. Mean harvest weight of fish was 54.4±28.6 g while mean stocking weight was 27.9±9.8 g. The survival rate of fish was 97.6%. The extrapolated GFY and NFY obtained was 72.6 and 30.8 t/ha/year respectively. The fish were handed over to Aquaculture farm, AFU which they will rear further in tanks and ponds. During culturing water was exchanged daily in the morning for maintaining proper water quality. Thus, the results suggested that common carp intensive farming is feasible in cemented tanks with good survival rate.
Author: Jian-Fang Gui Publisher: John Wiley & Sons ISBN: 1119120764 Category : Technology & Engineering Languages : en Pages : 1074
Book Description
Fish have been a major component of our diet and it has been suggested that fish/seafood consumption contributed to the development of the human brain, and this together with the acquisition of bipedalism, perhaps made us what we are. In the modern context global fish consumption is increasing. However, unlike our other staples, until a few years back the greater proportion of our fish supplies were of a hunted origin. This scenario is changing and a greater proportion of fish we consume now is of farmed origin. Aquaculture, the farming of waters, is thought to have originated in China, many millennia ago. Nevertheless, it transformed into a major food sector only since the second half of the last century, and continues to forge ahead, primarily in the developing world. China leads the global aquaculture production in volume, in the number of species that are farmed, and have contributed immensely to transforming the practices from an art to a science. This book attempts to capture some of the key elements and practices that have contributed to the success of Chinese aquaculture. The book entails contributions from over 100 leading experts in China, and provides insights into some aquaculture practices that are little known to the rest of the world. This book will be essential reading for aquaculturists, practitioners, researchers and students, and planners and developers.
Author: R. L. Welcomme Publisher: Food & Agriculture Org. ISBN: 9789251026649 Category : Nature Languages : en Pages : 332
Book Description
A total of 1,354 introductions of 237 species into 140 countries are analyses. The number of introductions carried out rose from the middle of the last century until the 1960s and have lessened since then.
Author: Peter W. Perschbacher Publisher: John Wiley & Sons ISBN: 1118970667 Category : Technology & Engineering Languages : en Pages : 380
Book Description
Intensive tilapia co-culture is the commercial production of various species of tilapia in conjunction with one or more other marketable species. Tilapia are attractive as a co-cultured fish because of their potential to improve water quality, especially in penaeid shrimp ponds, by consuming plankton and detritus and by altering pathogenic bacterial populations while increasing marketable production. Following introductory chapters covering ecological aspects of co-culture, tilapia feeding habits, historical use, and new models, Tilapia in Intensive Co-Culture is divided into co-culture in freshwater and marine environments. Co-culture core information is presented on Vibrio control, high-rate aquaculture processes, aquaponics, tilapia nutrient profile, and tilapia niche economics and marketing in the U.S, and with carp, catfish, freshwater and marine shrimp in the Americas, the Middle East, and Asia. Tilapia in Intensive Co-Culture is the latest book in the prestigious World Aquaculture Society (WAS) Series, published for WAS by Wiley Blackwell. It will be of great use and interest to researchers, producers, investors and policy makers considering tilapia co-culture in terms of environmental and economic sustainability.
Author: Holger L. Fröhlich Publisher: Springer Science & Business Media ISBN: 364233377X Category : Science Languages : en Pages : 490
Book Description
This book is based on the findings of a long-term (2000-2014) interdisciplinary research project of the University of Hohenheim in collaboration with several universities in Thailand and Vietnam. Titled Sustainable Land Use and Rural Development in Mountainous Areas in Southeast Asia, or the Uplands Program, the project aims to contribute through agricultural research to the conservation of natural resources and the improvement of living conditions of the rural population in the mountainous regions of Southeast Asia. Having three objectives the book first aims to give an interdisciplinary account of the drivers, consequences and challenges of ongoing changes in mountainous areas of Southeast Asia. Second, the book describes how innovation processes can contribute to addressing these challenges and third, how knowledge creation to support change in policies and institutions can assist in sustainably develop mountain areas and people’s livelihoods.
Author: Saurav Lamichhane
Author: Saurav Lamichhane
Author: Biplov Shrestha
Author: Jian-Fang Gui
Author: R. L. Welcomme
Author: V. G. Jhingran
Author: 
Author: 
Author: Peter W. Perschbacher
Author: 
Author: Holger L. Fröhlich