Evaluation method of teleostean alkaline resistance
An evaluation method and technology for bony fish, applied in the direction of color/spectral characteristic measurement, instruments, measuring devices, etc., can solve the indicators that cannot be used for alkali-tolerant breeding of fish, cannot judge the adaptation process of fish, and cannot be domesticated in saline-alkali water. Provide reference and other issues to achieve the effect of short identification cycle
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[0034] 1. Test material:
[0035] The naked carp juveniles for the test were provided by the Qinghai Lake Naked Carp Rescue Center. Before the test started, they were temporarily raised indoors for more than one month. During the temporary rearing period, they were fed twice a day with a full amount of 5% of their body weight, and the water was changed every day. , uninterrupted inflation. Temporary breeding water is filtered tap water (Kaneng AC / KDF150-1-300), pH (7.63±0.05), temperature (17.0±0.5)°C, dissolved oxygen (9.14±0.03) mg / L, ammonia nitrogen (0.01±0.01) mmol / L. The test selected healthy juvenile fish of the same size, body weight (1.39±0.09) g, and body length (5.12±0.07) cm, and the feeding was stopped 48 hours before the test.
[0036] 2. Experimental water preparation:
[0037]According to the life history of naked carps in Qinghai Lake (sexually mature naked carps travel back to freshwater channels from Qinghai Lake from April to July every year, and after s...
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