甘露寡糖益生元在鲤鱼饲料中的利用效率

О. Dobryanska
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Optimal conditions for carp farming were ensured including control over oxygen, hydrochemical and hydrobiological regimes in ponds, which were measured according to the generally accepted methods in fish farming. Fishery and economic indicators of growing age-1+ were determined after harvesting fish in autumn. Findings. Major hydrochemical parameters in all ponds were within the normative values. The average seasonal biomass of forage organisms of zooplankton and zoobenthos during the growing season did not differ in the experimental ponds and amounted to 10.33-16.23 g/m3 and 1.23-2.96 g/m3. A positive effect of the use of prebiotics based on MOS in the feeding of age-1+ carp was established. When the prebiotic was given as a part of the extruded feed, the average weight of fish was higher by 11.5%, and fish productivity by 22.7% relative to the control group, while the cost of feed for cultivation was lower by 20%. 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引用次数: 0

摘要

目的。甘露寡糖(MOS)益生元对1+龄鲤鱼养殖的生产经济指标分析方法。采用4个鱼塘,其中2个为试验鱼塘,2个为对照鱼塘,放养平均体重76 ~ 77 g的1龄鳞鱼,放养密度为2200条/ha。试验1和对照1分别饲喂蛋白质含量为23%的挤压饲料,试验2和对照2分别饲喂蛋白质含量为19%的杂粮混合饲料。在整个生长季节,在试验组鲤鱼饲料中添加0.05%的MOS“Actigen”益生元。确保鲤鱼养殖的最佳条件,包括控制池塘中的氧气、水化学和水生物制度,这些都是根据养鱼中普遍接受的方法进行测量的。秋季采鱼后测定生长期1+的渔业经济指标。发现。各水塘主要水化学参数均在规范范围内。实验池浮游动物和底栖动物生长季饲料生物的季节平均生物量无显著差异,分别为10.33 ~ 16.23 g/m3和1.23 ~ 2.96 g/m3。以MOS为基础的益生元在1岁以上鲤鱼的饲养中具有良好的效果。在挤压饲料中添加益生元,鱼的平均体重比对照组高11.5%,鱼的产量比对照组高22.7%,养殖饲料成本比对照组低20%。当添加到谷物混合物中时,这些值分别提高了12.9%,16.3%和16.7%。在挤压饲料中添加以MOS为基础的益生元,与对照1相比,利润增加了43.3%;与对照2相比,将其添加到谷物混合物中,利润增加了19.1%。创意。本文首次结合生产力和经济指标,对基于MOS的益生元在膨化饲料和谷物混合物中使用的有效性进行了比较分析。实用价值。上述结果表明,基于MOS的益生元在1岁以上鲤鱼饲料中应用的可行性和有效性。在不同组成的饲料中添加试验性添加剂有助于获得额外的生长,并使鲤鱼养殖的经济成分达到可销售的条件。关键词:鲤鱼,益生元,饲料,生产力,效率,利润水化学和水生物指标。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Efficiency of use of prebiotics based on manane oligosaccharides in carp feeding
Purpose. Analysis of productive and economic indicators in the cultivation of age-1+ carp as a result of the use of prebiotics based on mannan oligosaccharides (MOS) in feeding. Methodology. Four ponds were used, two of which were experimental and two control ponds, which were stocked with age-1 scaly carp with an average weight of 76–77 g at a stocking density of 2200 specimens/ha. Fish of Experiment 1 and Control 1 were fed with extruded feed with a protein content of 23%, fish in Experiment 2 and Control 2 were fed with a grain mixture with a protein content of 19%. 0.05% prebiotic based on MOS "Actigen" was added to the diet of experimental groups of carp throughout the growing season. Optimal conditions for carp farming were ensured including control over oxygen, hydrochemical and hydrobiological regimes in ponds, which were measured according to the generally accepted methods in fish farming. Fishery and economic indicators of growing age-1+ were determined after harvesting fish in autumn. Findings. Major hydrochemical parameters in all ponds were within the normative values. The average seasonal biomass of forage organisms of zooplankton and zoobenthos during the growing season did not differ in the experimental ponds and amounted to 10.33-16.23 g/m3 and 1.23-2.96 g/m3. A positive effect of the use of prebiotics based on MOS in the feeding of age-1+ carp was established. When the prebiotic was given as a part of the extruded feed, the average weight of fish was higher by 11.5%, and fish productivity by 22.7% relative to the control group, while the cost of feed for cultivation was lower by 20%. When it was added to the grain mixture, these values were higher by 12.9%, 16.3% and 16.7%, respectively. The profit, as a result of the use of the prebiotic based on MOS in the composition of the extruded feed increased by 43.3% compared to Control 1, and by 19.1% compared to Control 2 when it was added to the grain mixture. Originality. For the first time, a comparative analysis of the effectiveness of the use of the prebiotic based on MOS in the composition of extruded feed and grain mixtures was performed taking into account productivity and economic indicators. Practical value. The obtained results indicate the feasibility and effectiveness of the use of prebiotics based on MOS in the feeding of age-1+ carp. Introduction of experimental additives to feeds of different composition helps to obtain additional growth and increase the economic component in the cultivation of carp to marketable condition. Key words: carp, prebiotic, feed, productivity, efficiency, profit hydrochemical and hydrobiological indicators.
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