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Lone, M. A.
- Impact of Formulated Feed on Growth Performance of the Fish Tor tor
Abstract Views :119 |
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Authors
A. Wanganeo
1,
M. A. Lone
1
Affiliations
1 Department of Limnology, Barkatullah University, Post Box 811, Bhopal-462 026, M.P., IN
1 Department of Limnology, Barkatullah University, Post Box 811, Bhopal-462 026, M.P., IN
Source
Nature Environment and Pollution Technology, Vol 6, No 2 (2007), Pagination: 321-326Abstract
The fry of the fish Tor tor weighing 0.347 to 0.398 g and having a length of 20 to 25 mm were collected from the Narmada river at Dhangarwada village near Hoshangabad, brought to the laboratory and acclimatized in the glass fibre tanks of 1000 litre capacity. The experiment was carried out for 270 days to evaluate the effects of different formulated feeds with different protein levels on growth and survival of fish Tor tor. In the formulated feeds fish meal was the main ingredient used along with soybean cake, ground nut oil cake, soya oil and mineral mixture.
The experiment was conducted in the glass aquaria. The fish were fed twice daily (morning and evening) at the rate of 5% of their total body weight. In control conditions, the fish was fed on commercial feed along with mosquito larvae, zooplankton and phytoplankton. About 50% of the water of each aquarium was exchanged on alternate days. Observations on fish survival, body weight and length were recorded fortnightly in each tank. Faecal material was collected and weighed after drying in a hot oven to compute the feed intake and faecal matter release. The feed and faecal samples were then analysed for proximate composition following the methods of AOAC (1980) to estimate the different nutrient contents and energy. On the basis of dry matter it was found that the moisture content of feed- I, feed-II and feed-III was 8.18%, 7.8% and 7.56% respectively and 9.14% in case of control feed. The crude protein content of feed-I, feed-II, feed-III and feed-IV was 26.25%, 32.38, 36.75 and 14.36% respectively.
Weight gain by the fry of Tor tor, fed on different diets of 35%, 45% and 50% protein levels, records an average gain in the body weight by 1.00 g, 1.165 g and 1.584 g respectively, while body length increased by 34.22 mm, 37.11 mm and 46.22 mm respectively. Significantly higher growth was observed in the diet with 50% protein than in the diets with less than 45% of protein.
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- Periphytic Forms Associated with Tilapla mossambica and Cyprinus carpio Var. Communis in a Tropical Pond
Abstract Views :93 |
PDF Views:1
Authors
Affiliations
1 Department of Limnology, Barkatullah University, Bhopal-462 026, M. P., IN
1 Department of Limnology, Barkatullah University, Bhopal-462 026, M. P., IN
Source
Nature Environment and Pollution Technology, Vol 6, No 1 (2007), Pagination: 169-172Abstract
Present study was conducted in a tropical pond on periphytic forms associated with two common freshwater fish species. Species belonging to Chlorophyceae, Bacillariophyceae, Cyanophyceae, Rotifers and Copepods were found attached to the abdominal, head and tail portion of Tilapia mossambica, while, species belonging to Bacillariophyceae and Copepods were found associated with Cyprinus carpio var. communis. However, present investigation reveals no true periphytic forms associated with the fish samples.Full Text
- Optimal Allocation of Stratified Sampling Design Using Gradient Projection Method
Abstract Views :236 |
PDF Views:4
Authors
Affiliations
1 Division of Agri.stat, SKUAST-K, Kashmir, IN
1 Division of Agri.stat, SKUAST-K, Kashmir, IN
Source
Oriental Journal of Computer Science and Technology, Vol 10, No 1 (2017), Pagination: 11-17Abstract
This article deals with the problem of finding an optimal allocation of sample sizes in stratified sampling design to minimize the cost function. In this paper the iterative procedure of Rosen’s Gradient projection method is used to solve the Non linear programming problem (NLPP), when a non integer solution is obtained after solving the NLPP then Branch and Bound method provides an integer solution.Keywords
Stratification, Optimal Allocation, Nonlinear Programming, Gradient Projection Method, Branch and Bound Method and Integer Allocation.Full Text
References
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- An Integer solution in Intuitionistic Transportation Problem with Application in Agriculture
Abstract Views :225 |
PDF Views:7
Authors
Affiliations
1 Division of Agric. Stat., SKUAST-K, Kashmir, IN
1 Division of Agric. Stat., SKUAST-K, Kashmir, IN
Source
Oriental Journal of Computer Science and Technology, Vol 10, No 1 (2017), Pagination: 18-23Abstract
In this paper, we investigate a Transportation problem which is a special kind of linear programming in which profits; supply and demands are considered as Intuitionistic triangular fuzzy numbers. The crisp values of these Intuitionistic triangular fuzzy numbers are obtained by defuzzifying them and the problem is formulated into linear programming problem. The solution of the formulated problem is obtained through LINGO software. If the obtained solution is non-integer then Branch and Bound method can be used to obtain an integer solution.Keywords
Transportation Problem, Intuitionistic Triangular Fuzzy Numbers, Maximized Profit, Branch And Bound Method, Optimal Allocation and LINGO.Full Text
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