Method for synchronous line establishment of small-population parents in artificial breeding of exopalaemon carinicauda
A technology for synchronizing the white shrimp, applied in climate change adaptation, fish farming, applications, etc., can solve the problems of short generation cycle of white shrimp, poor synchronization of gonad development, shortening the breeding cycle, etc., and achieve temperature control measures Simple and easy to implement, easy to popularize and apply, and shorten the period of establishing a department
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[0026] Embodiment 1, a method for synchronously establishing a line of parents of small populations of white shrimp artificially selected
[0027] This embodiment proceeds according to the following steps:
[0028] (1) Selection of parents: The parents of the white prawn are taken from the 3rd generation reserved seed line of artificial breeding, and the breeding age is about 120 days. One week before the experiment, they had been labeled with different staining combinations. On October 20, 2014, 1000 broodstock shrimps with smooth and complete body surface, no injury, body length greater than 4cm, and average weight of about 1.5g were selected and placed in 2 indoor cement pools (volume 5m2). 3 , density 150 tails / m 2 About) temporarily raise 7 days. Keep the natural temperature during the temporary breeding period, and feed artificial compound bait ("Hengxing" brand prawn compound feed, protein content 40%, 5% total weight of experimental shrimp) every day, remove dead sh...
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