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The Agriculturists    Follow    
  This is an Open Access Journal Open Access journal
     ISSN (Print) 1729-5211 - ISSN (Online) 2304-7321
     Published by Bangladesh Journals Online Homepage  [79 journals]
  • Insect Pests of Yard Long Bean (Vigna unguiculata subsp. sesquipedalis L.)
           in Major Growing Areas of Bangladesh
    • Authors: MS Uddin, MM Rahman, MZ Alam, A Awal, MA Mazed
      Abstract: The survey was conducted in intensive yard long bean growing areas such as Jessore, Dhaka, Narsingdi, Comilla and Chittagong of Bangladesh to know the pest incidence and their level of infestation on yard long bean during March to October 2009. The study comprised of 75 sample farmers through intensive field visit for field data collection and inspection. Pest complex of yard long bean and their intensity of incidence were more or less similar in five surveyed areas and there were at least nine out of ten insect pests at different growth stages in each sample area, which were aphid, pod borer, thrips, red mite, leaf miner, leaf beetle, green sting-bug, jute hairy caterpillar, hooded hopper and semilooperin descending order. It was revealed that aphid and pod borer were the major insect pests in the study areas. They were found to severely infest in yard long beans. Semilooper caused minor damage which occurred only in Jessore, Chandina and Mirshawrai sample areas.
      DOI : http://dx.doi.org/10.3329/agric.v11i2.17489 The Agriculturists 2013; 11(2) 66-73
      PubDate: 2014-01-01
      Issue No: Vol. 11 (2014)
       
  • Correlation and Path Analysis in Six Strawberry (Fragaria ananassa)
           Genotypes
    • Authors: A Emdad, MI Hossain, K Kabir, MS Jahan
      Abstract: A field experiment was conducted at the Horticulture Farm of Sher-e-Bangla Agricultural University, Dhaka with a view to study character association and path analysis in six strawberry genotypes. The trial was laid out in a Randomized Complete Block Design with three replications. Data on crown height, number of flower buds per plant, number of flowers per plant, number of fruits per plant, length and breadth of fruit and fruit yield per plant were collected. All the characters showed significant correlation with fruit yield. Path analysis revealed that crown height, number of flowers per plant and length of fruit had the positive direct effect on yield per plant. Number of flower buds per plant, number of fruits per plant and breadth of fruit had negative direct effect on yield per plant.
      DOI : http://dx.doi.org/10.3329/agric.v11i2.17491 The Agriculturists 2013; 11(2) 74-78
      PubDate: 2014-01-01
      Issue No: Vol. 11 (2014)
       
  • Adoption of BARI Recommended Potato (Solanum tuberosum) Varieties by the
           Potato Farmers of Bangladesh
    • Authors: MI Khalil, ME Haque, MZ Hoque
      Abstract: This study was conducted to determine the extent of adoption of BARI recommended potato varieties by the potato growers in three Upazilas namely, Pirgachha of Rangpur, Munsiganj sadar of Munsiganj and Shibganj of Bogra district of Bangladesh. To achieve the objectives, the present research was designed to collect both qualitative and quantitative data. The study areas were selected purposively considering highly concentrated potato growing areas. Total numbers of potato growers in the selected areas were 581 from which 231 were selected as respondents following proportionate random sampling technique. A pre-tested interview schedule was used to collect data from the respondents during October, 2010 to February, 2011. The potato growers showed marked individual differences in their socio-economic characteristics and majority of them belonged to middle age category having small family size, primary level of education, small farm size, medium innovativeness and medium contact with extension personnel. The study revealed that the highest proportion (68.4%) of the potato farmers belonged to high adoption category; whereas 6.5 percent fall in medium adoption category and 25.1 percent in low adoption category of BARI recommended potato varieties. Extent of adoption of BARI recommended potato varieties were found more or less equal in three different study areas, where the highest (72.6%) portion of the potato farmers were in high adoption category in Munshiganj Sadar followed by 68.4 percent in Shibganj and 67.5 percent in Pirgachha. The studies also revealed that Diamant, Cardinal and Granola were the most popular varieties among all the released varieties of BARI and are largely grown in Munshiganj, Rangpur and Bogra, respectively. Farmers’ education and knowledge about potato cultivation technology showed significant positive relationship with their adoption of BARI recommended potato varieties.
      DOI : http://dx.doi.org/10.3329/agric.v11i2.17492 The Agriculturists 2013; 11(2) 79-86
      PubDate: 2014-01-01
      Issue No: Vol. 11 (2014)
       
  • Evaluation of Direct Seeded Rice Planter under Minimum Tillage Practices
    • Authors: AKMS Islam, MM Hossain, MA Saleque
      Abstract: This experiment was conducted in the farmer’s field to evaluate the performance of a modified planter machine for establishing direct seeded rice during aman and aus seasons in 2010 with four tillage treatments: (i) conventional tillage (CT) (ii) strip tillage (ST), (iii) bed formation (BP) and (iv) zero tillage (ZT). In later three treatments, seeding and fertilizer application was done simultaneously in a single pass operation by the planter. Flute type seed metering device was tested to study the seed dispensing rate, placement of seed and fertilizers. Minimum tillage saved fuel consumption by almost 25-46% and could represent a 27-48% cost saving in land preparation compared to CT. In addition to fuel savings, substantial time savings and additional benefits can be achieved. Seedling emergence was not affected by tillage options which indicated that seeds were placed at proper depth. Seed meter worked well to dispense rice seeds by maintaining actual seed rate. Seeds were not broken due to use of flute type seed metering device. Yields were not significantly different among the tillage treatments. BP showed the lowest benefit-cost ratio due to higher input cost as well as gross margin was lower compared to other tillage treatments. Strip tillage performed better than the other two minimum tillage methods compared to conventional method. Planter reduced seeding time, saved fuel and labour costs compared to conventional method and helped in timely sowing. Minimum tillage may be adopted to establish dry seeded rice in High Barind Tract.
      DOI : http://dx.doi.org/10.3329/agric.v11i2.17493 The Agriculturists 2013; 11(2) 87-95
      PubDate: 2014-01-01
      Issue No: Vol. 11 (2014)
       
  • Efficacy of Some Rhizosphere Microorganisms in Controlling Fusarium Wilt
           of Tomato (Lycopersicon esculentum)
    • Authors: AM Sarker, N Sultana, MR Islam, M Rashid, ZR Bhuian
      Abstract: An experiment was conducted at the Disease Diagnostic Laboratory and Net House of Plant Pathology Department, Sher-e-Bangla Agricultural University, Dhaka during July 2011 to June 2012 to investigate the efficacy of some antagonistic rhizosphere microorganisms against Fusarium oxysporum f. sp. lycopersici causing Fusarium wilt of tomato. Probable 20 antagonistic bacterial isolates and one antagonistic fungal isolate (Trichoderma harzianum) from rhizosphere soil were screened out against F. oxysporum f. sp. lycopersici. Out of 20 bacterial isolates, only four (Iso-1, Iso-2, Iso-3 and Iso-4) were found effective in dual culture method. Out of all antagonists, Trichoderma harzianum produced the highest inhibition zone (75.75 %), while the lowest inhibition zone (28.39 %) was produced by Iso- 2. In blotter method, the highest prevalence of Fusarium oxysporum was observed in control (11.25%), while the lowest was in Iso-1 (0.58%) treated seeds.
      DOI : http://dx.doi.org/10.3329/agric.v11i2.17494 The Agriculturists 2013; 11(2) 96-103
      PubDate: 2014-01-01
      Issue No: Vol. 11 (2014)
       
  • Evaluation of Growth and Yield of Four Strawberry (Fragaria ananassa)
           Genotypes
    • Authors: MS Islam, MJ Hossan, MK Ahsan, H Mehraj, AFM Jamal Uddin
      Abstract: A pot experiment was conducted to evaluate the growth and yield performance of four strawberry germplasms at the Horticulture Farm of Sher-e-Bangla Agricultural University, Dhaka during October 2010 to April 2011. The experimental materials were four strawberry germplasms: V1 (SAU Line-01), V2 (SAU Line-02), V3 (SAU Line-03) and V4 (SAU Line-04). The experiment was laid out in a Completely Randomized Design (CRD) with five replications. Among the germplasms the maximum number of flowers (32.5/plant), the maximum number of fruits (28.8/plant), the highest average fruit weight (12.3 g) and the highest total fruit yield (361 g/plant) were found in V1. Considering the overall results of the study, it may be concluded that V1 (SAU Line-01) is a promising strawberry germplasm for cultivation in Bangladesh.
      DOI : http://dx.doi.org/10.3329/agric.v11i2.17495 The Agriculturists 2013; 11(2) 104-108
      PubDate: 2014-01-01
      Issue No: Vol. 11 (2014)
       
  • Effect of Planting Density on the Performance of Hybrid Rice (Oryza sativa
           L.) under Waterlogged Condition
    • Authors: MS Islam, MM Rashid, MK Mondal, SC Nath, MR Karim
      Abstract: The experiment was conducted to find out the effect of planting density on the performance of hybrid rice variety Aloran under water logged condition at the BRAC Agricultural Research and Development Center in Gazipur, Bangladesh during the dry (DS) and wet season (WS) of 2009. Different planting densities were maintained using different spacings and number of seedlings per hill. These include 25 cm × 20 cm, 25 cm × 10 cm, 20 cm × 10 cm, 20 cm × 15 cm with single seedling per hill and 20 cm × 15 cm with two seedlings per hill and 20 cm × 15 cm with three seedlings per hill. The experiment was laid out in a randomized complete block design with 3 replications. Density of 20 cm × 10 cm with 1 seedling hill-1 i.e. 50 hills m-2 produced the highest grain yield of 7.5 t ha-1 and 4.6 t ha-1 in DS and WS respectively, which was significantly higher than the yield with recommended density (20 cm × 15 cm with 1 seedling per hill). This yield was increased due to higher number of panicles m-2. Increasing the seedling numbers hill-1 with the recommended planting density did not improve the yield of hybrid rice. This result suggests that higher planting density rather than increased number of seedling hill-1 is necessary for getting higher yield of hybrid rice in continuous water logged condition.
      DOI : http://dx.doi.org/10.3329/agric.v11i2.17497 The Agriculturists 2013; 11(2) 109-113
      PubDate: 2014-01-01
      Issue No: Vol. 11 (2014)
       
  • Erratum
    • Authors: The Editor
      Abstract: In the paper entitled “Insecticidal Activity of Some Plant Extracts Against Trogoderma granarium (E.)” published in The Agriculturists 11(1): 103-111 (June 2013), the authors should be read as Farooq Ahmad, Muhammad Sagheer, Ahmad Hammad, S. M. Mizanur Rahman and Mansoor-Ul-Hasan instead of Farooq Ahmad, Muhammad Sagheer, Ahmad Hammad, S. M. Mizanur Rahman and Masoor-Ul-Hasan.
      DOI : http://dx.doi.org/10.3329/agric.v11i2.17498 The Agriculturists 2013; 11(2) 114
      PubDate: 2014-01-01
      Issue No: Vol. 11 (2014)
       
  • Productive and Reproductive Performances of Hilly and Jungle Fowl
    • Authors: MM Rahman, S Faruque, MS Islam, MM Islam, A Mahmud
      Abstract: A total of 43 (38 females and 5 males) adult native hilly chicken and 63 day-old chicks (44 hilly and 19 jungle fowl) were studied to understand their productive and reproductive performances under intensive management. The hen day egg production of hilly chicken during 11 months production period was 22.10% and average egg weight was 42.6 g. The adult body weights of female and male birds were 1701 g and 2690 g, respectively. The average daily feed consumption per bird was 101g during laying period. Hatchability of hilly chicken eggs was 91.35%. The day old chick weight of hilly chicken and jungle fowl was 29.4 g and 19.6 g, respectively (P≤0.01). The body weight of hilly and jungle fowl were 503.8 g and 344.8 g, respectively, (P≤0.05). There was no significant difference between hilly chicken and jungle fowl for feed consumption. Feed conversion ratios (FCR) were 2.80 and 4.4 for hilly chicken and jungle fowl, respectively (P≤0.05). Mortality of adult birds during laying period was 16.4% and there was no chick mortality up to 8 weeks of age. Hilly chicken has shown potentiality to be used as meat type chicken. They require to reproduction freely under captivity to have a large number of breeding stocks for undertaking conservation and improvement programme.
      DOI : http://dx.doi.org/10.3329/agric.v11i2.17481 The Agriculturists 2013; 11(2) 10-13
      PubDate: 2013-12-31
      Issue No: Vol. 11 (2013)
       
  • In-vitro Screening of some Chemicals and Biocontrol Agents against Erwinia
           carotovora subsp. carotovora, the Causal Agent of Soft Rot of Potato
           (Solanum tuberosum)
    • Authors: M Rashid, MSM Chowdhury, N Sultana
      Abstract: Erwinia carotovora subsp. carotovora was isolated from the infected potato tuber and was identified by pathological, morphological and biochemical studies. Five chemicals viz. Cupravit 50 WP (Copper oxychloride), Sulcox 50 WP (Copper oxychloride), Champion 77 WP (Copper hydroxide), Indofil M- 45 (Mancozeb) and Bavistin 50 WP (Carbendazim) and five biocontrol agents viz. Bacillus subtilis, Pseudomonas fluorescens, Rhizobium leguminosarum, Trichoderma harzianum and Aspergillus flavus were screened out in vitro against the growth of Erwinia carotovora subsp. carotovora by well diffusion method measuring the inhibition zone. Among the chemicals, Sulcox 50 WP (Copper oxychloride) was highly effective against it with 31.00 mm inhibition zone after 48 hours of incubation at 0.2% concentration when 100 μl/well was used. In case of biocontrol agents, Bacillus subtilis was the best against the bacterium with 16.67 mm inhibition zone after 48 hours of incubation.
      DOI : http://dx.doi.org/10.3329/agric.v11i2.17480 The Agriculturists 2013; 11(2) 1-9
      PubDate: 2013-12-31
      Issue No: Vol. 11 (2013)
       
  • Effect of Seedling Age and Water Management on the Performance of Boro
           Rice (Oryza sativa L.) Variety BRRI Dhan28
    • Authors: MS Ali, MA Hasan, S Sikder, MR Islam, MHR Hafiz
      Abstract: A field experiment was conducted at the research farm of Crop Physiology and Ecology Department, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh during November 2010 to May 2011 to find out the effect of seedlings age and water management on tillering behavior, growth dynamics, yield and yield contributing characters of BRRI dhan28. The experiment was laid out in two factors randomized complete block design with four replications taking two seedlings age i.e. 15 and 30-d-old seedlings at transplanting and two water management practices viz. continuous flooding and intermittent irrigation. Fifteen-d-old seedlings provided greater ability of tiller production, dry matter accumulation and more leaf area than those of 30-d-old seedlings but the ability was influenced more with intermittent irrigation than continuous flooding. Transplanting of younger seedlings provided more effective tillers hill-1, filled grains panicle-1, thousand grain weight and finally grain yield than those of the older one but the younger seedlings interacted with intermittent irrigation significantly to explore all of these parameters. Fifteen-d-old seedlings of took shorter time to be matured than 30-d-old seedlings in both continuous flooded and intermittent irrigated condition. Again the crop matured 2 days earlier in intermittent irrigated plots than continuous flooded plots for both 15 and 30-d-old seedlings. Finally it may be concluded that transplanting of younger seedlings in combination with intermittent irrigation performed the best in tiller production, growth dynamics, yield and yield contributing characters.
      DOI : http://dx.doi.org/10.3329/agric.v11i2.17484 The Agriculturists 2013; 11(2) 28-37
      PubDate: 2013-12-31
      Issue No: Vol. 11 (2013)
       
  • Comparison of Growth Performance and Meat Yield of Hilly Chicken under two
           Feeding Regimens
    • Authors: MM Rahman, S Faruque, MS Islam, MN Islam, MA Rashid
      Abstract: A total of 108 day-old chicks of hilly chicken were randomly allocated to either pellet form of high protein-energy diet (PHPE) or mash form of low protein-energy diet (MLPE) dietary group having 3 replications in each group. Birds were reared in cages and studied upto 10 weeks of age to compare their growth, feed efficiency and meat production under two feeding regimens. Six birds from each feeding regimen at the age of 8 week were slaughtered to analyze the meat yield characteristics. The live weight of the birds fed PHPE diet was significantly higher (699±18) than that of MLPE diet (492 ±10) at 8 weeks of age. Feed conversion ratio (FCR) was better in PHPE diet (2.89±0.03) than in MLPE diet (3.22±0.09). The mortality was similar in birds under two different feeding regimens. Live weight (g) and edible parts weight (g) of birds fed on PHPE diet were significantly higher than that of birds fed on MLPE diet. Dressing percentage did not differ significantly between two feeding regimens. It was concluded that native chicken of hilly areas have the potentiality for meat production and they can utilize high protein energy diet more efficiently.
      DOI : http://dx.doi.org/10.3329/agric.v11i2.17485 The Agriculturists 2013; 11(2) 38-43
      PubDate: 2013-12-31
      Issue No: Vol. 11 (2013)
       
  • Effect of Fertilizer and Manure on the Growth, Yield and Grain Nutrient
           Concentration of Boro Rice (Oryza sativa L.) under Different Water
           Management Practices
    • Authors: MM AL Fakhrul Islam, Md Asaduzzaman Khan, ASM Fazle Bari, MT Hosain, M Sabikunnaher
      Abstract: The experiment was conducted in the Sher-e-Bangla Agricultural University research farm, Dhaka, Bangladesh during December 2010 to April 2011 to study the effect of fertilizer and manure with different water management on the growth, yield and nutrient concentration of BRRI dhan28. The experiment consisted of 2 factors i.e. irrigation and fertilizer plus manure. There were 2 irrigation levels (I0= Alternate wetting and drying, I1= Continuous flooding) and 8 fertilizer treatment (T0: control, T1: 100% RDCF, (N100P15K45S20Zn2), T2: 10 ton cowdung/ha, T3: 50% RDCF + 5 ton cowdung/ha, T4: 8 ton poultry manure/ha, T5: 50% RDCF + 4 ton poultry manure/ha, T6: 10 ton vermicompost/ha, T7: 50% RDCF + 5 ton vermicompost/ha). There were 16 treatment combinations and 3 replications. Irrigation had no significant effect on the yield and yield parameters of BRRI dhan 28. The yield contributing characters and yields were significantly influenced by applied fertilizer and manure. The T5 (50% RDCF + 4 ton poultry manure/ha) showed the highest effective tillers/hill, plant height, panicle length, 1000 grain wt., grain yield (5.92 kg/plot) and straw yield (5.91 kg/plot). The higher grain and straw yields were obtained organic manure plus inorganic fertilizers than full dose of chemical fertilizer and manure. The highest grain (5.93 kg/plot) and straw yields (6.42 kg/plot) were recorded from I0T5 (Alternate wetting and drying + 50% RDCF plus 4 ton poultry manure/ha) and the lowest was found in I1T0 (Continuous flooding + control treatment) treatment combination. The highest concentrations of grain and straw N, P, K, S were recorded in T5 treatment. The levels of organic matter and nutrient concentration were increased in the post harvest soils due to added manure plus inorganic fertilizer.
      DOI : http://dx.doi.org/10.3329/agric.v11i2.17486 The Agriculturists 2013; 11(2) 44-51
      PubDate: 2013-12-31
      Issue No: Vol. 11 (2013)
       
  • Study on the Growth and Development of two Dragon Fruit (Hylocereus
           undatus) Genotypes
    • Authors: MM Alam Patwary, MH Rahman, H Barua, S Sarkar, Md Shamsul Alam
      Abstract: A preliminary investigation was carried out under the AEZ- 29 at the Agricultural Research Station, Bangladesh Agricultural Research Institute (BARI), Pahartali, Chittagong during December 2010 to May 2012 to evaluate two dragon fruit genotypes. The longer plant (272.13 cm) was recorded in HUP 002 while it was 263.34 cm in HUP 001 after one and half year of planting. Flower bud emergence took place after 17 months (on 9 May, 2012) in HUP 001, while it commenced in HUP 002 after 15 months (on 22 March, 2012). Flower bud required 28 days bloom from emergence and the fruit matured after 33 days from anthesis in HUP 001, while that required 35 days for HUP 002 and fruits become matured after 32 days from anthesis. Larger number (8) of flowers per plant was observed in HUP 002 while the lower was noted in HUP 001(6). Numerous anthers were observed below the stigma with attractive white petals in both the varieties. The fruit weights ranged from 200 -375 in HUP 002 but 150-200g in HUP 001. The edible portions were 91.0 and 92.0 with 12.0 and 11.4 % TSS in HUP 001 and HUP 002, respectively. Fruit pulp colour was white in HUP 001 while red in HUP 002.
      DOI : http://dx.doi.org/10.3329/agric.v11i2.17487 The Agriculturists 2013; 11(2) 52-57
      PubDate: 2013-12-31
      Issue No: Vol. 11 (2013)
       
  • Milk Composition and Quality of Sahiwal – Friesian Crossbred Cow
           Studied in Malaysia
    • Authors: MAI Talukder, JM Panandam, Y Halimatun, I Idris
      Abstract: Six groups of Sahiwal-Friesian crossbred cows, namely M50-1, M50-2, M50-3, M56, M63 and M75-1 were evaluated. In total 180 cows were used and milk collected was evaluated for composition and quality. The effect of genotypes was significant (P≤0.05) only for titrable acidity (TA) and milk yield (MY). The M50-1 had the highest milk yield per day (8.73 ± 1.65 kg) but this was not significantly different from the yields of M50-3, M56 and M75-1 (7.06 ± 0.84, 7.06 ± 0.96, 7.70 ± 0.82 kg), respectively. Lactation stage had significant (P≤0.05) effect on milk yield, fat content, solids-not fat (SNF) content, total solid (TS) content, moisture content and specific gravity (Sp. Gr). Fat content at early lactation was significantly (P≤0.01) lower than at middle and late lactation (3.69 vs 4.27 and 4.50, respectively). SNF content for middle lactation was significantly lower (P≤0.05) than that at early and late lactations. At late lactation, TS and moisture contents were significantly (P≤0.05) higher than those at early lactation. The range of milk composition and quality such as fat (3.96 - 4.50%), SNF (9.02 - 9.40%), TS (13.01-13.81%), moisture (86.26 - 87.07%), Sp.Gr. (1.030- 1.031), pH (6.74 - 6.91), TA (0.13 - 0.15%), MBRT (6.50 -7.40 h) belonged to normal range. M50-1, M50-3, M56 and M75-1 had higher test day milk yield. The optimum level of Friesian inheritance in combination with Sahiwal for MY appeared to be 75%, 56% and 50% with selection for milk production. The composition and quality of milk from the Sahiwal - Friesian crossbred cows met the required standard.
      DOI : http://dx.doi.org/10.3329/agric.v11i2.17488 The Agriculturists 2013; 11(2) 58-65
      PubDate: 2013-12-31
      Issue No: Vol. 11 (2013)
       
  • Evaluation of Orange Fleshed Sweet Potato (Ipomoea batatas L.) Genotypes
           for Higher Yield and Quality
    • Authors: MH Rahman, MM Alam Patwary, H Barua, M Hossain, S Nahar
      Abstract: Four orange fleshed sweet potato (OFSP) genotypes viz., CIP 194513.15, CIP 194515.15, CIP 441132 and CIP 440267.2 collected from International Potato Centre (CIP) and four BARI (Bangladesh Agricultural Research Institute) - hybrid orange flesh sweet potato genotypes viz., H16/06, H19/06, H3/07 and H6/07 were evaluated against BARI SP-3 and BARI SP-4 having orange fleshed at Agricultural Research Station, Bangladesh Agricultural Research Institute, Pahartali, Chittagong for yield and quality. The highest (31.59 t/ha) tuberous root yield was found in CIP 194513.15 which was followed by CIP 440267.2 (30.97 t/ha) and the lowest yield (13.34 t/ha) was obtained in BARI SP 3. The maximum dry matter (29.83%) was obtained in H6/07 while the minimum dry matter (17.61%) was obtained in CIP 441132. Among the tested genotypes the highest (approximately) Vitamin A (919.2 μg/100 g RE, FW) was recorded in CIP 440267.2, which had red skin and latex absent flesh and the lowest was (approximately) in H6/07 (Vit A 0.0 μg/100 g RE, FW). The results of the present study indicated that CIP 440267.2 is suitable among the OFSP genotypes for cultivation in Bangladesh on the basis of yield and quality mainly carotinous.
      DOI : http://dx.doi.org/10.3329/agric.v11i2.17483 The Agriculturists 2013; 11(2) 21-27
      PubDate: 2013-12-31
      Issue No: Vol. 11 (2013)
       
  • Evaluation of Soybean Meal as a Dietary Protein Source on the Performance
           of Labeo rohita (Ham.) Spawn Reared under Pond Condition
    • Authors: DA Jahan, L Hussain, MA Islam, A Naima
      Abstract: Growth of Labeo rohita spawn, fed on four formulated (almost iso-nitrogenous and iso-caloric) diets containing fish meal, soybean meal, mustard oil cake and rice bran along with vitamin and mineral premix was studied at the Bangladesh Agricultural University, Mymensingh, during 07 June to 19 July, 2006. Fish meal was replaced by soybean meal at the rates of 0, 25, 50 and 75% in Treatment 1, 2, 3 and 4, respectively. In a 42-day feeding trial, significantly higher growth rate, feed conversion ratio, protein efficiency ratio and survival rate and slightly higher protein content in carcass were observed in Treatment 2 but the variation was not statistically significant.
      DOI : http://dx.doi.org/10.3329/agric.v11i2.17482 The Agriculturists 2013; 11(2) 14-20
      PubDate: 2013-12-31
      Issue No: Vol. 11 (2013)
       
 
 
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