Evaluation Trial on Production Performance of Freshwater Mud Eel (Monopterus cuchia) in Farmer’s Pond

The experiment was conducted to evaluate the production performance of freshwater mud eel (Monopterus cuchia) with supplementary feed for a period of 5 months in field level. Two ponds were selected for this experiment in Maulovibazar district. Baby cuchia having weight of 50-70 g were stocked in ponds at a stocking density of 10/m2 in filter net. Liming (CaO) was done in all the ponds at rate of 250 kg/ha. A safety shelter for cuchia was developed by installing bamboo root, plastic and bamboo-made hollow pipe, aquatic vegetation and necessary objects in the pond. Different physico-chemical parameters were found to be within the acceptable ranges for M. cuchia culture in all ponds. Supplementary feed composed of fish paste (50%), fish meal (40%), rice bran (5%) and wheat flour (5%) was applied at the rate of 2-3% of body weight. After 5 months of rearing, total production obtained were 28.3±1.09 and 31.9±2.56 kg from pond-1 and pond-2, respectively. The highest production was obtained from pond-2 and lowest production was obtained in pond-1. The net profit gained from pond-1 and pond-2 were tk 2559 and 3211 per decimal, respectively.

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Production performance of Pabda (Ompok pabda) and Gulsha (Mystus cavasius) with Rohu (Labeo rohita) in natural pond conditions

Bangladesh Journal of Fisheries ◽

10.52168/bjf.2020.32.29 ◽

2021 ◽

Vol 32 (2) ◽

pp. 245-250

Author(s):

PARVEZ CHOWDHURY ◽

ANURADHA BHADRA ◽

AFM SHOFIQUZZOHA

Keyword(s):

Aquatic Vegetation ◽

Labeo Rohita ◽

Fish Growth ◽

Production Performance ◽

Monthly Interval ◽

Total Production ◽

Growth Status ◽

Bulk Weight ◽

Natural Pond ◽

Supplementary Feed

The study was carried out infourselected farmer’s pond in Netrokona sadarand Barhatta upazillas(sub district) under Netrokona district during April to September 2019 having average pond area of 0.14 haeach. The ponds were prepared by removing aquatic vegetation and unwanted fish and other animals, andapplying with lime at the rate of 250 kg/ha. Five days after liming, water was supplied from shallow tubewell to the ponds and filled up to the depth of 1.5 m. The fry of Pabda (Ompok pabda) and Gulsha (Mystuscavasius) with Rohu (Labeo rohita) were stocked at the rate of 175000; 87,500 and 2000/ha, respectively.After stocking, fish were fed at a rate of 5-12% of body weight with supplementary feed (30% crudeprotein). Fish sampling were done at monthly interval to know the fish growth status and also to adjust feedration. After six months rearing, fish were harvested by repeated seine netting. Total bulk weight and numberof fish from each pond was recorded. Survival and gross production of fish of each pond were estimated. Theharvesting weight of pabda ranged from 33 to 36g. While the harvesting weight of Gulsha and Rohu rangedfrom 26-27g and 591-614g, respectively. Based on the number of fish harvested at the end of the experiment,survival ranged from 75 to 88%.Total production of Pabda (O. pabda) and Gulsha (M. cavasius) with Rohuwas estimated at 5202, 1772 and 1066 kg/ha, respectively. The total production of fish as recorded in trialponds were 8043 kg/ha

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Comparison Of Growth Performance Through Different Levels Of Supplementary Feed In Fish Polyculture System

Journal of the Asiatic Society of Bangladesh Science ◽

10.3329/jasbs.v42i2.46226 ◽

2016 ◽

Vol 42 (2) ◽

pp. 229-234

Author(s):

Nazia Sultana ◽

Md Abu Sayed Jewel ◽

Md Rashedul Kabir Mondol

Keyword(s):

Growth Performance ◽

Stocking Density ◽

Fish Farming ◽

Ctenopharyngodon Idella ◽

Catla Catla ◽

Net Benefit ◽

Net Profit ◽

Supplementary Feed ◽

Benefit Cost ◽

Different Levels

An experiment was carried out to evaluate the growth performance of carp polyculture system supplemented with different levels of supplementary feed. To undertake this investigation, two earthen ponds were stocked with 25% Labeo rohita, 25% Catla catla, 20% Labeo calbasu, 20% Ctenopharyngodon idella and 10% Hypopthalmichthys molitrix with a total stocking density of 10000/ha. The net fish production was found to be 2,166 and 3,874 kg/ha/yr in pond-01 and pond-02, respectively. The total cost of fish farming of pond-01 and pond-02 were 64,268 BDT and 88,568 BDT per ha. The total return of pond-01and pond-02 were BDT 1,04,280 BDT and 1,69,250 BDT per ha. Net benefit from pond-01 and pond-02 was 40,312 BDT and 80,682 BDT respectively. Net profit margin of pond-01 and pond-02 was 62.73% and 91.10%. And finally the benefit cost ratios (CBR) were found to be 0.62:1 and 0.91:1 in pond-01 and pond-02, respectively. Asiat. Soc. Bangladesh, Sci. 42(2): 229-234, December 2016

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Anopheles breeding in relation to aquatic vegetation and certain physico-chemical parameters in rice fields of Purnia district

Environment Conservation Journal ◽

10.36953/ecj.2013.141221 ◽

2013 ◽

Vol 14 (1&2) ◽

pp. 121-125

Author(s):

B. N. Pandey ◽

Ranjana Kumari

Keyword(s):

Aquatic Vegetation ◽

Control Program ◽

Larval Survival ◽

Rice Fields ◽

Chemical Parameters ◽

Blue Green Algae ◽

Physico Chemical ◽

Vector Control Program ◽

Mosquito Breeding ◽

Chemical Factors

Anopheles breeding in relation to aquatic vegetation and certain physico-chemical parameters was studied in rice fields of Purnia district. Association of larvae with different types of aquatic vegetation in different proportions was observed. Maximum Anopheles larvae were found associated with green and blue green algae. It indicates that algae encountered mosquito breeding by providing food and shelter followed by Ipomea, Hydrilla and water hyacinth. Among physico-chemical parameters pH, temperature, turbidity, electrical conductivity, DO, nitrate, carbonate and phosphate showed positive correlation while chloride and bicarbonate showed negative correlation. It can be concluded that aquatic vegetation usually growing in rice fields influences Anopheles breeding and their abundance varies with the occurrence and intensity of each aquatic plant. Physico-chemical factors also exert impact on larval survival and emergence. Thus, such factors should be considered when designing an integrated vector control program. However, a detailed study on the role of other interrelated factors such as predator-parasitie relationship, cultivation practices, emergence rate etc is needed for full understanding of the subject. Although the specific soil type was not analyzed in this survey, other reports indicated that there is variation in development of Anopheles larva among the different soil types

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Economic Traits and Production Performance of Nandanam Quail Reared at Different Cage Stocking Densities

THE INDIAN JOURNAL OF VETERINARY SCIENCES AND BIOTECHNOLOGY ◽

10.21887/ijvsbt.v13i02.10046 ◽

2017 ◽

Vol 13 (02) ◽

Author(s):

C. Pandian ◽

A. Sundaresan ◽

S. Ezhil Valavan ◽

A. V. Omprakash

Keyword(s):

Body Weight ◽

Stocking Density ◽

Conversion Ratio ◽

Feed Conversion Ratio ◽

Production Performance ◽

Feed Consumption ◽

Economic Traits ◽

Feed Conversion ◽

Cage System ◽

Net Profit

This study was carried out to assess the effect of different cage stocking densities on the production performance of Nandanam quail III reared up to 42 days. Three hundred day old Nandanam quail III were randomly assigned to 2.5 x 1.5 ft cages and distributed with 3 treatments (20, 25 and 30 quails per cage or 0.17, 0.14 and 0.11 sq. ft per quail, respectively) and 4 replicates. There were significant differences among treatments for bi-weekly body weight, feed consumption, feed conversion ratio and net profit per bird. There was a reduction (P>0.05) in body weight with the increase in stocking density and the 4th and 6th week body weight were 144.17±3.84, 128.55±3.63 and 108.03±2.69 g; and 216.86±5.95, 207.76±4.01 and 197.27±3.81 g, respectively. The feed consumption per bird (g) up to 42 days were 665.69±0.01, 532.19±0.01 and 443.23±0.01 respectively. Better feed conversion ratio (2.57 and 2.25) and net profit per bird (Rs. 4.48 and 7.15) were observed where the birds reared at the cage stocking density of 0.14 sq.ft and 0.11 sq.ft per bird, respectively. This study concluded that the cage stocking density between 0.11 and 0.14 sq.ft per bird will be more economical for rearing Nandanam quail III in cage system of rearing up to 42 days of age.

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Impact of stocking density on growth and production performance of Vietnamese koi (Anabas testudineus) in semi-intensive culture system at Muktaghasa region of Mymensingh district

Research in Agriculture Livestock and Fisheries ◽

10.3329/ralf.v2i2.25019 ◽

2015 ◽

Vol 2 (2) ◽

pp. 335-341

Author(s):

Gias Uddin Ahmed ◽

Md Mamunur Rahman ◽

Mohammad Nurul Alam ◽

Md Badrul Alam ◽

Baadruzzoha Sarker

Keyword(s):

Growth Parameters ◽

Market Price ◽

Stocking Density ◽

Fish Growth ◽

Production Performance ◽

Cost Ratio ◽

Fish Feed ◽

Total Production ◽

Anabas Testudineus ◽

Short Period

Stocking density is considered one of the important factors affecting fish growth. The study was aimed to compare the growth parameters of Vietnamese Koi (Anabas testudineus ) at various stocking densities. The experiment was carried out during the period from 01 September to 30 November 2014. Three stocking densities were used as 150, 250 and 350 fries/dec and designated as treatment T1, T2 and T3 respectively each having two replicates. The average size of each pond was 33 decimal with an average depth of 5 feet. Quality fish feed was used three times daily throughout the culture period. From this experiment, it was found that the highest net profit was BDT 32,690 in T1 followed by BDT 36,104 in T2 and BDT 38,450 in T3. That time the market price was BDT 130/kg fish. Culture of Vietnamese koi at stocking density (150 fish/dec) showed higher benefit in short period of time. The benefit cost ratio was 1.7, 1.63 and 1.56 in T1, T2 and T3, respectively. From the present experiment, it was found that the total production was increased with the increase of stocking density. But the individual fish growth rate was decreased with the increase of stocking density.Res. Agric., Livest. Fish.2(2): 335-341, August 2015

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Use of varying combinations of energy and protein sources as supplementary feed for lambing ewes grazing cereal stubble

Australian Journal of Experimental Agriculture ◽

10.1071/ea95168 ◽

1997 ◽

Vol 37 (1) ◽

pp. 1 ◽

Cited By ~ 2

Author(s):

T. S. Brand ◽

F. Franck ◽

A. Durand ◽

J. Coetzee

Keyword(s):

Fish Meal ◽

Stocking Density ◽

Late Pregnancy ◽

Design Experiment ◽

Protein Supplements ◽

Long Period ◽

Wool Growth ◽

Feeding Trials ◽

Supplementary Feed ◽

Factorial Design Experiment

Summary. Three feeding trials compared production of lambing ewes grazing stubbles and fed different combinations of energy and protein supplements as loose licks. Each experiment had 2 treatments in a 2 x 2 factorial design. Experiment 1 compared urea (12.5 g/ewe. day) with fish meal (100 g/ewe. day) when fed with molasses (100 g/ewe. day) for 38 days during late pregnancy. Fish meal increased liveweight gain (from 2.0 to 5.7 kg) and wool growth (20%) but urea had no effect. In experiment 2, urea (12.5 g/ewe. day) was fed in combination with molasses (200 g/ewe. day) or barley meal (200 g/ewe. day) for 63 days during late pregnancy (last 6 weeks) and early lactation. Ewes supplemented with the barley–urea combination gained 5.6 kg during the last 6 weeks of pregnancy compared with 0.40 kg for barley and the 1.02 and 1.34 kg weight loss for ewes receiving molasses and the molasses–urea combination, respectively. Experiment 3 compared urea (12.5 g/ewe. day) with sweet lupin meal (106 g/ewe. day) when fed with barley meal (200 g/ewe. day) for 56 days during late pregnancy (last 4 weeks) and lactation. Sweet lupin meal improved the liveweight change of ewes during pregnancy (from 160 to 200 g/ewe. day) as well as the birth weight of lambs (400 g) but urea had no effect. The performance of lambing ewes grazing low-quality pasture at a high stocking density (>4.5 ewes/ha) for a long period (>130 days) can be improved by relatively low amounts of supplements such as fish meal, sweet lupin meal and barley–urea.

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Effects of addition of mola at different densities on production of giant freshwater prawn

Journal of the Bangladesh Agricultural University ◽

10.3329/jbau.v10i1.12109 ◽

2012 ◽

Vol 10 (1) ◽

pp. 163-167 ◽

Cited By ~ 1

Author(s):

R Pervin ◽

M A Wahab ◽

K Fatema ◽

M S R Khan

Keyword(s):

Body Weight ◽

Macrobrachium Rosenbergii ◽

Stocking Density ◽

Quality Parameters ◽

Production Performance ◽

Freshwater Prawn ◽

Total Production ◽

Feeding Rates ◽

Additional Species ◽

Giant Freshwater Prawn

The effects of mola (Amblypharyngodon mola) at different densities in polyculture with freshwater prawn (Macrobrachium rosenbergii) were investigated at the Fisheries Field Laboratory, Bangladesh Agricultural University, Mymensingh. The experiment had three treatments, viz. prawn + 1 mola m-2, prawn + 1.5 mola m-2 and prawn + 2 mola m-2 and were treated as T1, T2, and T3, respectively with three replications in each. Prawn stocking density was same (3 juvenile m-2) in all treatments. Feeds were applied twice daily for prawn. Assuming 80% survival, feeding rates were gradually reduced to 10-5% of body weight from the beginning to the last month. Water quality parameters (except transparency, chlorophyll-a) did not vary significantly (P>0.05). Weight gain, SGR (% body weight), gross and net production of prawn were not significantly different (P>0.05). Higher total production was recorded in T3 (574.61 ±39.58 kg ha-1) followed by TI (531.65±42.40 kg ha-1) and T2 (514.75±77.91 kg ha-1). It was found that addition of mola at different densities had no effects on survival and production performance of prawn. Therefore, nutrient-dense mola may be stocked as an additional species with freshwater prawn. It might be concluded that treatment T3 was better proposition for prawn-mola polyculture. DOI: http://dx.doi.org/10.3329/jbau.v10i1.12109 J. Bangladesh Agril. Univ. 10(1): 163167, 2012

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Suitable Stocking Density Ensures Best Production and Economic Returns in Floating Cage Aquaculture System

Asian Journal of Fisheries and Aquatic Research ◽

10.9734/ajfar/2021/v14i630311 ◽

2021 ◽

pp. 7-18

Author(s):

Naznin Nahar ◽

Md. Istiaque Hossain ◽

Md. Mizanur Rahman ◽

Probin Kumar Dey ◽

M. Shahanul Islam

Keyword(s):

Crude Protein ◽

Stocking Density ◽

Economic Feasibility ◽

Total Production ◽

Economic Returns ◽

Aquaculture System ◽

Net Profit ◽

Cage Aquaculture ◽

Near Future ◽

Pellet Feed

The striped dwarf catfish Mystus cavasius being a least concern small indigenous fish it is necessary to protect the species from extinction in the near future. An experiment on production and economic feasibility of Mystus cavasius in cage was conducted for a period of six months from March to August 2020 in beel hilla at Naogaon district of Bangladesh. The study was carried out in nine cages (rectangular 8x5x2 feet size) under three treatments namely T1, T2 and T3 performed with the stocking densities of 46 fry m-2, 92 fry m-2 and 137 fry m-2 and designed each with three replications. The fish was fed with commercial pellet feed (containing 30% crude protein) twice daily at the rate of 5-7% of fish body weight. The total production was found to be significantly (p<0.05) highest in T3 among the three treatments. The net profit was better in T3 than T1 and T2 in terms of better production and money. So, stocking density of Mystus cavasius at the rate of 137 fry m-2 in cage could be an economically feasible aquaculture technique for fish farmers.

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