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Method for improving pregnancy conservation efficiency of male seahorses

A seahorse and male technology, applied in the field of healthy fish breeding and breeding, can solve problems such as malnutrition, reduced male seahorse conservation capacity, and hatching rate of only 70-75%, achieving easy operation, improved reproductive efficiency, and controllable strong effect

Active Publication Date: 2014-07-30
SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

However, during this period, factors such as human disturbance, malnutrition, and competing mating between male and female seahorses significantly reduced the conservation capacity of male seahorses. The abortion rate of male seahorses reached 15-30%, while the hatching rate was only 70-75%.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Control group:

[0014] There are 10 male and female seahorses in the mating pools A1, A2, A3 and A4, of which 10 male seahorses are already pregnant, and male seahorses will be disturbed by female seahorses during the nursery. The temperature of the breeding water is 25°C, the salinity is 31, the light intensity is 3000Lux, the light-dark cycle is 12:12, the water exchange volume is 3.7L / min, and 9mm plastic branches are placed as hippocampus attachments. The frequency of bait feeding was restored to 3 times a day, frozen bait was fed at 8:00 am and 14:00 pm, live brine shrimp was fed at 17:00 pm, and residual bait and feces were removed at 19:00 every day.

[0015] During the breeding period, count the number of abortions of the hippocampus and the number of abortions each time. After the male seahorses hatch the seedlings, count the number of seedlings, measure the length of the seedlings, and count the time intervals between male and female parent seahorses mating a...

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PUM

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Abstract

The invention discloses a method for improving the pregnancy conservation efficiency of male seahorses. Due to comprehensive adjustment on factors, such as breeding isolation, illumination intensity, a photoperiod, a bait type and a feeding frequency, in a seahorse pregnancy conservation process, the reproduction efficiency of a male pregnant seahorse is obviously improved. A specific result is that the abortion rate of the male seahorses is reduced from 15-30 percent to 2-5 percent, and the germling incubating rate is also increased from 70-75 percent to 85-90 percent; meanwhile, the body length of young seahorses is increased by 5-9 percent. The method has the advantages of easiness in operation and high controllability, and is suitable for large-scale commercial seahorse breeding.

Description

Technical field: [0001] The invention belongs to the technical field of fish healthy breeding and cultivation, and in particular relates to a method for significantly improving the pregnancy and nursing efficiency of three different types of seahorses, such as American lined seahorse (also called gray seahorse), three-spotted seahorse and large seahorse, after normal mating . Background technique: [0002] The seahorse Hippocampus belongs to the family Hyposauridae and the genus Hippocampus. It is a national second-class protected animal and an internationally protected fish. Some species are on the verge of extinction due to environmental degradation and human activities. Seahorse is an important aquarium ornamental animal and a precious Chinese medicinal material. It has medicinal effects such as strengthening the body, nourishing the kidney and strengthening yang, and relaxing muscles and collaterals. It is favored by Southeast Asian countries. In recent years, due to ov...

Claims

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Application Information

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IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 林强秦耿张艳红张辉贤
Owner SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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