论文部分内容阅读
吴郭鱼,又称台湾罗非鱼、郭鱼。现将吴郭鱼养殖技术浅述如下:(一)吴郭鱼的优点1.适应环境能力强。适应性超过普通罗非鱼。既能生活在淡水中,又能生活在盐度8‰以下海水中。耐低氧,其窒息点为0.07~0.23毫克/升,在溶氧较低的肥水中也能正常生长。对池水pH值适应性较强,能在pH5~10的范围内生存。对水温的变化适应性强,可耐最低水温为4℃和可耐最高水温为42℃,最适水温25~35℃。
Tilapia, also known as tilapia in Taiwan, Guo fish. Now Tilapia farming techniques as follows: (a) the advantages of tilapia 1. Adapt to environmental ability. Adaptability than ordinary tilapia. Can live in fresh water, but also in the seawater salinity 8 ‰ below. Resistance to hypoxia, the suffocation point of 0.07 to 0.23 mg / L, in the lower dissolved oxygen fertilizer can also grow normally. Strong adaptability to the pH of the water, can survive in the pH range of 5 to 10. Adaptable to changes in water temperature, resistant to the minimum water temperature of 4 ℃ and resistant to maximum water temperature of 42 ℃, the optimum temperature of 25 ~ 35 ℃.