甘肃11选5

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    鱼缸的出处和它的基本介绍
    来源:http://www.yunsyb.com  2016-03-02 15:07:05
    今天我们济南鱼缸定做公司给大家介绍的是鱼缸的出处和它的基本介绍:
    Today we Ji'nan aquarium company is to introduce customized aquarium source and introduces its basic:
    出处:
    source
    夏仁虎《旧京琐记·俗尚》:“讥者为之联云:天棚鱼缸石榴树,先生肥狗胖丫头。” 贾植芳《我乡》:“玻璃鱼缸,嬉戏的金鱼,翠绿的水藻,围观的孩子们的笑脸。”
    Xia Renhu, the "old Beijing" - Day Customs: "for those who ridiculed says: fish tank pomegranate tree canopy, Mr. fat dog fat girl." "Jia Zhifang": "I Xiang glass fish tank, playful goldfish, green algae, watching the smiling faces of children."
    基本介绍
    Introduction
    预防鱼病,首先要弄清楚鱼发病的原因,才能采取措施,有效的防止鱼病发生。
    Fish disease prevention, we must first clarify the cause of fish disease, we can take measures to effectively prevent the occurrence of fish diseases.
    1、水温、水质失宜——热带鱼对水的温度有一定的适应范围,水温的突然变动,温差超过5度以上,或水温长时期偏低或偏高,都会使鱼发病.
    water temperature, water quality improper -- tropical fish to water temperature have certain adaptation range, the sudden changes in water temperature, temperature difference is more than 5 degrees or more, or water temperature for a long period of low or high will cause fish to disease.
    2、饲喂不当——人工养鱼,全赖人工投饲,如果投喂的饲料营养成分不足,缺乏蛋白质、维生素、微量元素,或者不能定时定量,饥饱不匀,使鱼营养不良,体质虚弱而致病。若是饲料霉败变质,更可能使鱼中毒致病。
    feeding improper, artificial fish stewards of artificial feeding, if the lack of feeding the feed nutrition, lack of protein, vitamins, trace elements, or be able to timing quantitative, hunger and satiety unevenness, the fish malnutrition, physical weakness and disease. If the feed mildew metamorphic, more likely to make fish poisoning.
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