Journal of Aquaculture Research and Development最新文献

Eﬀects of Probiotic Bacillus on Growth Performance, Immune Response and Disease Resistance in Aquaculture 益生菌对水产养殖生长性能、免疫反应和抗病性的影响

Journal of Aquaculture Research and Development Pub Date : 2021-03-02 DOI: 10.20944/PREPRINTS202103.0075.V1

Ashikur Rahman, S. H. T. Shefat, M. A. Chowdhury

{"title":"Eﬀects of Probiotic Bacillus on Growth Performance, Immune Response and Disease Resistance in Aquaculture","authors":"Ashikur Rahman, S. H. T. Shefat, M. A. Chowdhury","doi":"10.20944/PREPRINTS202103.0075.V1","DOIUrl":"https://doi.org/10.20944/PREPRINTS202103.0075.V1","url":null,"abstract":"Aquaculture is one of the fastest-growing animal food-producing agricultural industries in the world and proper performance of fish in morphological, physiological and immunological aspects is important for fish production and sustainable expansion of aquaculture. But several inhibitors like disease, pathogen, and adverse environment can overpower these performances. At present, antibiotics in preventing these inhibitors have been seen as becoming favorable to those inhibitors. So, Bacillus, an important group of probiotic bacteria can be an alternative to these antibiotics in aquaculture. Bacillus has been seen used in different experiments, mainly as a supplement in feed at various concentrations. Bacillus showed effective results like improved growth with minimum cost, improvement in reproduction, hematology, improved immune response and disease, and stress resistance as well as better proximate composition in different fish species. Application of Bacillus strains has proven efficient in improving water quality by reducing ammonia and nitrite toxicity, harmful algal blooms and utilization of H+ ion. Larger application of probiotic Bacillus instead of the hazardous synthetic chemicals would promote eco-friendly low-input sustainable aquaculture for food and nutritional security of the increasing world population. So many more experiments should be conducted in commercially important fishes for better growth and health of fishes which will certainly increase fish","PeriodicalId":15243,"journal":{"name":"Journal of Aquaculture Research and Development","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81282960","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 7

Effect of Growth Temperature on Muscle Lipid Class and Fatty Acid Composition in Adult Steelhead Trout (Oncorhynchus mykiss) Fed Commercial Diets with Different andomega;6 to andomega;3 Fatty Acid Ratios 生长温度对不同- 6与- 3脂肪酸比例商业饲料对成年虹鳟肌脂类和脂肪酸组成的影响

Journal of Aquaculture Research and Development Pub Date : 2021-01-01 DOI: 10.35248/2155-9546.21.12.643

M. Wijekoon, Parrish Cc, A. Mansour

{"title":"Effect of Growth Temperature on Muscle Lipid Class and Fatty Acid Composition in Adult Steelhead Trout (Oncorhynchus mykiss) Fed Commercial Diets with Different andomega;6 to andomega;3 Fatty Acid Ratios","authors":"M. Wijekoon, Parrish Cc, A. Mansour","doi":"10.35248/2155-9546.21.12.643","DOIUrl":"https://doi.org/10.35248/2155-9546.21.12.643","url":null,"abstract":"The effect of fluctuating temperature on muscle lipid composition was examined in 1.8 Kg steelhead trout fed 3 commercial diets with varying proportions (16.5 - 31% total) of Σω3 fatty acids and large differences (5×) in ω6:ω3 fatty acid ratios. Temperature was increased from 13.5°C to 18.0°C and then dropped back down to 13.5°C over a period of 12 weeks. Diet had no significant effect on growth or on total polyunsaturated fatty acid (PUFA) proportions in muscle tissue, but significant changes were observed in individual fatty acids. There was a greater response to changes in diet in the fatty acids than there was to changes in temperature. Muscle C20–C22 ω3PUFA and C18 unsaturated fatty acids reflected dietary inputs leading to very different (up to 40%) ω6:ω3 fatty acid ratios. Independent of diet, increasing temperature significantly increased total lipids and saturated fatty acids, especially 16:0, and decreased monounsaturated ones, especially 18:1ω9, as well as the PUFA 18:2ω6. The ω6:ω3 fatty acid ratio was also lowest at 18.0°C. Increasing total lipids, sterols and saturated fatty acids with increasing temperature, has important implications for both cultured and wild fish in terms of their nutrition, food quality for humans, and resource availability for aquafeeds.","PeriodicalId":15243,"journal":{"name":"Journal of Aquaculture Research and Development","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75072773","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Growth Performance and Survival Rates of Milkfish (Chanos chanos) Fed Diets Supplemented with Pineapple Extract. 添加菠萝提取物对遮目鱼生长性能和成活率的影响。

Journal of Aquaculture Research and Development Pub Date : 2021-01-01 DOI: 10.35248/2155-9546.21.12.637

Kiki Wahyu Nilamsari, J. Hutabarat, D. Rachmawati, Bayu Prakoso Adi

{"title":"Growth Performance and Survival Rates of Milkfish (Chanos chanos) Fed Diets Supplemented with Pineapple Extract.","authors":"Kiki Wahyu Nilamsari, J. Hutabarat, D. Rachmawati, Bayu Prakoso Adi","doi":"10.35248/2155-9546.21.12.637","DOIUrl":"https://doi.org/10.35248/2155-9546.21.12.637","url":null,"abstract":"Milkfish (Chanos chanos) is one of commodity which is strategic to fulfill necessity of protein that cheap enough and delighted by customer in Indonesian. The low feed efficiency is one of the obstacles in milkfish intensive farming. This can be overcome by the addition of the exogenous enzyme that an important role to digestion of feed, among exogenous enzyme is bromelain enzyme contained in pineapple extract. Enzyme bromelain is one of enzyme protease, which has the function to dissolve the protein with hydrolyzing of peptide in acid amino. This experiment has purpose to know the influence giving pineapple extract on artificial feed to feed utilization efficiency, growth, and survival rate of milkfish (C. chanos). Fish samples used 42-day old C. chanos with an average weight of 3.54 ± 0.03 g. This research used completely randomized experimental and design methods (RAL) with 4 treatments and 3 replications, respectively. The used treatments were treatment A (0 ml), B (2.5 ml), C (5 ml), and D (7.5 ml). The results showed that the proportion of pineapple extract was very significant influence (P 0.01) to Total Feed Consumed(TKP) and Survival Rate(SR). The optimum dose of pineapple extract is 4.50 ml can be Produce EPP maximum about 52.73%. The dose optimum pineapple extract about 4.26 ml can be produce per in maximum 1.55% and the optimum dose of pineapple extract 4.39 ml can produce RGR about 3.22%.","PeriodicalId":15243,"journal":{"name":"Journal of Aquaculture Research and Development","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88890993","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Combination of Aquaculture and Hydroponics 水产养殖与水培相结合

Journal of Aquaculture Research and Development Pub Date : 2021-01-01 DOI: 10.35248/2155-9546.21.12.655

Rakshitha Kotha

引用次数: 0

Nutrient Supplementation to Aquatic Species and their Metabolic Growth 水生物种的营养补充及其代谢生长

Journal of Aquaculture Research and Development Pub Date : 2021-01-01 DOI: 10.35248/2155-9546.21.12.657

Rakshitha Kotha

引用次数: 0

Commercial Phase of Hatchery System 孵化系统的商业阶段

Journal of Aquaculture Research and Development Pub Date : 2021-01-01 DOI: 10.35248/2155-9546.21.12.656

Rakshitha Kotha

引用次数: 0

Formulation of Diet Using Conventional and Non-Conventional Protein Sources 使用常规和非常规蛋白质来源的日粮配方

Journal of Aquaculture Research and Development Pub Date : 2021-01-01 DOI: 10.35248/2155-9546.21.12.648

Maria Lizanne Ac, Jeana Ida Rodrigues, Miriam Triny Fern, Es

{"title":"Formulation of Diet Using Conventional and Non-Conventional Protein Sources","authors":"Maria Lizanne Ac, Jeana Ida Rodrigues, Miriam Triny Fern, Es","doi":"10.35248/2155-9546.21.12.648","DOIUrl":"https://doi.org/10.35248/2155-9546.21.12.648","url":null,"abstract":"A 60-day feeding experiment was conducted on Swordtail, Xiphophorus helleri to correlate the growth and the crude protein percentage of the feed. Nine experimental diets (Treatments) were formulated using different locally and cheaply available conventional and nonconventional protein sources keeping the basal ingredients same. These diets were tested on three replicate groups of 10 fishes (initial body weight: 0.7 ± 0.5 g) bred in circular fiber reinforced plastic tanks of 120 liter capacity with 100 liter of seasoned de-chlorinated tap water. Fishes were fed 3% of their body weight. The growth performance of Swordtail was studied in terms of Weight Gain, Feed Conversion Ratio (FCR), Specific Growth Rate (SGR%/day) and Protein Efficiency Ratio (PER). The results indicated that Weight Gain was more in the Treatment that contained Chicken Waste and least in the Treatment that contained Marine Fish Waste. Specific growth rate%/per day and Protein efficiency ratio showed similar results. The Feed conversion ratio was greater in Treatment that contained Marine Fish Waste and least in Treatment that contained Chicken Waste. The study suggests that Chicken Waste as a major source of Protein can be effectively considered in the formulation of practical diet for better growth of Swordtail, Xiphophorus helleri.","PeriodicalId":15243,"journal":{"name":"Journal of Aquaculture Research and Development","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90378615","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Morphological and Pathogenic Variability in Different Isolates of Fusarium oxysporum f. sp. cumini 黄瓜尖孢镰刀菌不同分离株的形态及致病变异

Journal of Aquaculture Research and Development Pub Date : 2021-01-01 DOI: 10.35248/2155-9546.21.12.646

S. Choudhary, S. Godika

引用次数: 0

Growth and Yield Response of Food Barley (Hordeum vulgare L.) Varieties to Nitrogen Fertilizer Rates Inkofele District, Southeastern Oromia 食用大麦的生长与产量响应奥罗米亚东南部Inkofele地区氮肥品种比率

Journal of Aquaculture Research and Development Pub Date : 2021-01-01 DOI: 10.35248/2155-9546.21.12.645

KedirJemal, Mohammed Aliyi

{"title":"Growth and Yield Response of Food Barley (Hordeum vulgare L.) Varieties to Nitrogen Fertilizer Rates Inkofele District, Southeastern Oromia","authors":"KedirJemal, Mohammed Aliyi","doi":"10.35248/2155-9546.21.12.645","DOIUrl":"https://doi.org/10.35248/2155-9546.21.12.645","url":null,"abstract":"Despite the importance of barely, there are several factors affecting its production. Among these inadequate uses of N fertilizer and lack of using improved food barley variety are the most important ones. A field experiment was conducted under rainy season conditions to investigate the effects of food barley varieties and rates of nitrogen fertilizer application in the combinations of three food barley varieties, namely Adoshe, Robera and Abdene and four levels of N (23 Kg N/ha , 46 Kg N/ha , 69 Kg N/ha and 92 Kg N/ha) arranged in randomized complete block design in factorial arrangement with three replications on vegetative growth, yield and yield components of barley ( Hordeum vulgare L.) at Kofele, Oromia Regional State of Ethiopia. Results indicated that different nitrogen fertilizer rate had a very highly significant (p 0.05). Moreover, barley phonological, growth, yield and yield components were highly significantly (p 0.05). the maximum and minimum mean values of grain yield production of barley were observed from Adoshe barley variety treated with 92 Kg ha-1 nitrogen fertilizer rate (6.01 tone /ha) and Robera barley variety treated with 23 Kg ha-1 nitrogen fertilizer rate (3.29 tone/ha), respectively. The partial budget analysis revealed that, maximum net benefit of Birr 99350.00 ha-1 with an acceptable marginal rate of returns (MRR) of 3348.23% with the treatment Adoshe variety with combination of 92 Kg N ha-1. However, the lowest net benefit of (Birr 55225.00 ha-1) was recorded from Robera barley variety treated with 23 Kg ha-1 nitrogen fertilizer rate. Therefore, Production of Adoshe variety with combination of 92 Kg N ha-1 was economical, and uncertainly recommended for production of food barley in the study area and other areas with similar agro-ecological condition.","PeriodicalId":15243,"journal":{"name":"Journal of Aquaculture Research and Development","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80733014","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Nursery Rearing and Seed Stocking of Silver Pompano 银鲳鱼苗圃饲养与种子放养

Journal of Aquaculture Research and Development Pub Date : 2021-01-01 DOI: 10.35248/2155-9546.21.12.653

Rakshitha Kotha

引用次数: 0