酶的定义酶、同步和氮磷关系效应

Q3 Environmental Science

Ekoloji Pub Date : 2012-12-31 DOI:10.5053/EKOLOJI.2012.8510

I. Diler, Hüseyin Sevgili, Muhammet Arabaci, Yılmaz Emre

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引用次数: 3

摘要

本试验旨在研究添加外源酶的40%豆粕对虹鳟鱼生长性能、饲料利用率、氮磷表观消化率和减少环境污染废物产生量的影响。鳟鱼组采用随机分组法(初始平均体重87.00±1.5 g)， 3个重复，50条鱼/池，混凝土池1050条鱼/ 6吨。以43%蛋白质- 12%脂肪饲粮为对照组(K0)，不添加酶，在饲粮中添加%02蛋白酶(P)、%02混合酶(纤维素酶、木聚糖酶、内切-s-1,3:1,4-葡聚糖酶(M)、%02 pyhtase (F)、%01蛋白酶+ %02混合酶(PM)、%01蛋白酶+ %01植酸酶(PF)和%01混合酶+ %01植酸酶(MF)，共7组。试验结束时，条件因子(1,21-1,23)各组间生长性能差异有统计学意义(p<0.05)，但生长率(173,68-177,27)、特定生长率(1,118-1,340)和饲料系数(1,26-1,30)组间差异显著(p<0.05)。P和F组显著提高了特定生长率，饲料系数优于对照组。本试验中，氮表观消化系数(ADC-N)以P组最高(85、49±1、98)，K0组最低(72、82±0.01)(P <0.05)。F和K0对磷的ADC-P最高(58.57±0.49 a)，最低(42.85±1.98a) (p<0.05)。P和K0组氮含量最高(53.71%)，最低(17.69%)(P < 0.05)。排入水中(丢弃)的氮以P组最低(23、31 g/kg)，以K0组最高(46、91 g/kg) (P < 0.05)。此外，F组和K0组的磷残留量最高(68.74%)，最低(46.12%)。当磷含量达到最大值(6)时，它们也被丢弃到水里。K0组为94 g/kg)， F组最低(4.85 g/kg)(p< 0.05)。

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Soya İçerikli Gökkuşağı Alabalığı (Oncorhynchus mykiss) Yemlerine İlave Edilen Enzimlerin Büyüme Performansı, Sindirilebilirlik ve Azot-Fosfora İlişkin Çevresel Etkilerinin Belirlenmesi

This study was carried out to determine the effects on growth performance, feed utilization, apparent digestibility and reduce environment pollution waste output of nitrogen and phosphorus of diets based on Soybean Meal (40%) supplemented with exogenous enzymes in rainbow trout (Oncorhynchus mykiss) culture. Trout groups was began (initial mean weight 87.00±1,5g) method of random plots with 3 replications of 50 fish/pond with the ratio of 1050 fish with 6,0 metrik tonne in concrete ponds. 43% protein - 12% fat diet was used as the with no added enzyme in control group (K0) and diet supplemented with %02 protease enzyme (P), %02 mix enzyme (cellulose, xylanase, endo-s-1,3:1,4-glucanase (M), %02 pyhtase enzyme (F), %01 protease + %02 mix enzyme (PM), %01 protease + %01 phytase (PF) and %01 mix enzyme + %01 phytase (MF) were tested in total 7 groups. About of growth performance were found while condition factor (1,21-1,23) were statistically similar (p>0.05) however growth rate (173,68-177,27), specific growth rate (1,118-1,340) and feed conversion ratio (1,26-1,30) significantly different among groups (p<0.05) at the end of the experiment. P and F groups significantly improved specific growth rate, feed conversion ratio better than control group. In this study, showed the highest nitrogen apparent digestibility coefficient (ADC-N) (85,49±1,98) in group of P while the poorest value (72,82±0.01) group of K0 obtained, respectively (p<0.05). Also the best (58.57±0.49) and lowest (42.85±1.98a) ADC-P for phosphorus was obtained from F and K0, respectively (p<0.05). The highest (53,71%) and lowest (17,69%) retained nitrogen was held in the P and K0 groups (p<0,05). Also the dropped to water (discarded), nitrogen effluent was lowest (23,31 g/kg) in the P group and highest (46,91 g/kg) in the K0 group, respectively (p<0,05). In addition, highest (68,74%) and lowest (46,12%) retained phosphorus levels were obtained in the F and K0 groups, respectively. Also the dropped to water (discarded) while phosphorus levels reached the maximum (6,.94 g/kg) in K0 group and minimum value was obtained in the F group (4,85 g/kg)(p<0,05).

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来源期刊

Ekoloji 环境科学-生态学

CiteScore

1.10

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Cessation. Ekoloji is an international journal that focuses on papers that report results from original research on all disciplines engaged in the field of environmental research. We welcome articles that cover the entire spectrum of environmental problems and environmental pollutants, whether chemical, biological or physical. Its coverage extends to all environmentally related issues: air and water pollution, solid waste, noise, recycling, natural resources, ecology and environmental protection. It includes articles on basic and applied environmental pollution research, including environmental engineering and environmental health. All types of pollution are covered, including atmospheric pollutants, detergents, fertilizers, industrial effluents, metals, mining wastes, oil, pesticides, plastics, radioactive materials and sewage. It also includes research papers on ecological and environmental issues such as climate change, biodiversity. The primary criteria for publication are scientific quality and ecological/environmental significance. The journal will be read and contributed to by biologists, applied ecologists, environmental scientists, natural resource specialists, environmental engineers, environmental health specialists, agro-ecologists, veterinaries, agricultural engineers, landscape planners and designers. The journal welcomes full "research papers" and short "research notes", only in the English language.