Directional mating and breeding method in Eriocheir sinensis breeding
The invention relates to a directional mating and breeding method in Eriocheir sinensis breeding, comprising the following steps of: referring to the Eriocheir sinensis standard GB/T19783-2005, selecting male and female Eriocheir sinensis individuals with mature gonads from different species groups...
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Main Authors | , , , |
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Format | Patent |
Language | Chinese English |
Published |
21.09.2011
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Subjects | |
Online Access | Get full text |
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Summary: | The invention relates to a directional mating and breeding method in Eriocheir sinensis breeding, comprising the following steps of: referring to the Eriocheir sinensis standard GB/T19783-2005, selecting male and female Eriocheir sinensis individuals with mature gonads from different species groups in the first ten-day period of November as parents, after labeling, breeding the male and female Eriocheir sinensis individuals separately, and strengthening cultivation; in the last ten-day period of November, pairing and putting the parents subjected to cultivation strengthening into cylindrical net cages weaved by polyethylene soft plastic, wherein each cylindrical net cage is 50 cm in diameter and 60 cm in height, and the salinity of water is 0.209; distributing a male crab for each net cage, wherein the ratio of female to male of full sib directional mating is 1:1, and the ratio of female to male of half-sib directional mating is 2: 1 or 3: 1; putting the obtained egg-carrying crabs into a 2*667 m *1.5 m outdo |
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Bibliography: | Application Number: CN2011193518 |