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The Effect of Three Different Feed Types on Growth Performance of Ceriodaphnia Reticulata and Bosmina Sp. Culture as a Live Fish Feed

M. Begum
Zoology Section, Biological Research Division, BCSIR Laboratories Dhaka, Dhaka- 1205, Bangladesh.

N. Sultana
Zoology Section, Biological Research Division, BCSIR Laboratories Dhaka, Dhaka- 1205, Bangladesh.

M N. Uddin
BCSIR Laboratories Dhaka, Dhaka-1205, Bangladesh

M. M. Rahman
Department of Zoology, University of Dhaka, Dhaka- 1000, Bangladesh.

Abstract/ Executive Summary:

Experiments were conducted to study the effect of three different food media on the mass culture of Ceriodaphnia reticulata and Bosmina sp. in aquarium water for 42 days. The culture media were poultry manure, pulse bran water with Chlorella and snail faeces. About 100 individuals of both C. reticulata and Bosmina sp. were introduced to the culture medium of each tank as starter. The range of temperature, pH and ammonia varied from media to media. The average temperature of poultry manure, pulse bran water and snail faeces media were 27.37 ± 1.18, 27.57 ± 0.78 and 27.51 ± 1.19 for C. reticulata and 27.88 ± 1.23, 27.98 ± 0.98 and 28.11 ± 1.21 for Bosmina sp. respectively. During the study period, mean pH of the culture media varied i.e., 8.84 ± 0.82 and 9.27 ± 0.43 in poultry manure, 8.92 ± 0.74 and 9.46 ± 0.027 in pulse bran water and 8.68 ± 0.80 and 8.69 ± 0.36 in snail faeces for C. reticulata and Bosmina sp. The ammonia content ranged from > 2.5 to 0.5 mg/l in the culture media. The highest average population of C. reticulata was observed in poultry manure (5.33 ± 3.01 individuals/ml), moderate in snail faeces (2.71 ± 2.72 individuals/ml) and lowest in pulse bran water (0.38 ± 0.74 individuals/ml). But in case of Bosmina sp. the highest average growth was recorded in snail faeces (3.59 ± 3.20 individuals/ml), medium in poultry manure (2.43 ± 3.23 individuals/ml) and lowest in pulse bran water (0.14 ± 0.48 individuals/ml). Therefore, the culture media with poultry manure and snail faeces were found to be useful for artificial mass production of C. reticulata and Bosmina sp. rather than pulse bran water.

Keywords: Feed types, Growth Performance, Live Fish Feed, Ceriodaphnia reticulata, Bosmina sp.

Location: The experiments were conducted over a period of 42 days in the Zoology Section of BCSIR Laboratories, Dhaka.

Start Date:

End Date:

Program Area: Animal Health and Management

Commodity: Feed

Objectives:

- To make a comparative study of different culture methods;

- To find out the suitable food medium for the maximum growth of both Ceriodaphnia and Bosmina sp.;

- To develop an easy, simple and low cost method for supplying live fish feed; and

- To find out the proper utilization of organic fertilizer for live fish feed culture.

Methodology:

C. reticulata and Bosmina sp. were collected from local water bodies of Dhaka city and this species was identified according to Brooks. The culture media maintained in 12 aquarium tanks of 75 cm x 36 cm x 36 cm size with aeration for 24 hrs. Each tank was washed, left to dry and then filled with 30 litres of tap water. The tap water was kept for two days for seasoning. On the 3rd day, the tanks were fertilized by three different types of food media with three replicates for each treatment. The media were pulse bran water with Chlorella (1.5g Urea+0.3g TSP + 3g salt + 600 ml pulse bran water + 100 ml Chlorella + 30 litres of water), poultry manure (13.45g dried manure + 30 litres of water) and snail faeces (six apple snails feed on 2-3 cabbage leaf daily). Additional feed, approximately 50-100% of the initial amount were added to 5 days later. On the third day of the experiment, about 100 individuals of C. reticulata and Bosmina sp. were introduced to the culture medium of each tank as starter. Water levels of aquaria were maintained by addition of water regularly. Following initiation of different growth experiments, the number of living individuals of each tank was counted at one day interval. These processes continued until population study in each replication had started to decline. The populations of C. reticulata and Bosmina sp. were recorded by using the Sedgewick-Rafter counter cell which is 50 mm long, 20 mm wide and 1 mm deep. Zooplankton number (no/ml) was calculated. Physio-chemical parameters such as water temperature, pH (Oyster portable pH meter, pp-201), Ammonia (determined by a calorimetric method, APHA, 1985) of the culture media were recorded once in every 3 days. Descriptive statistics of parameter of mass culture of C. reticulata and Bosmina sp. were computed at first. Then Pearson’s Correlations were calculated to see the relation between the parameters. The regression analysis for different food media and culture were used to show the dependency of these parameters on mass culture of the live fish feed. In order to test the equality of number of individuals per milliliter in two different fish feeds (C. reticulata and Bosmina sp) and three cultivation media (poultry manure, pulse bran water and snail faeces) one way analysis of variance (ANOVA) test was
used. Since parameters varies significantly (p<0.05) in different cultivation media, Duncan Multiple Rage Test (DMRT) of Post Hoc was performed. The statistical package namely SPSS (version 17.0) was used for data analysis.

Source of Information: International Journal of Fisheries and Aquatic Studies 2015; 3(1): 400-405, ISSN: 2347-5129, (ICV-Poland) Impact Value: 5.62, (GIF) Impact Factor: 0.352, IJFAS 2015; 3(1): 400-405, © 2015 IJFAS, www.fisheriesjournal.com

Article Link (Online Journal):

Funding Source:

1. Government

Budget: 12,000/-

Total Budget (Tk.) :

Achievement/Findings:

Poultry manure was found to be a relatively better food source for C. reticulata than snail faeces and pulse water with Chlorella inoculums in laboratory cultures. Snail faeces produced naturally by feeding cabbage leaves could be an excellent medium for mass culture of Bosmina sp. in controlled environment. The study therefore reveals poultry manure as a better source of organic manure compared to other organic manure. However, further research is needed before stepping into a large scale production of C. reticulata and Bosmina sp. using different doses of applied food media as fertilizer and to obtain optimum growth rate and continuous production of live fish feed.

Knowledge Management: Journal