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Background: There is a need to recover the genetic diversity of Israeli carp by continuous inbreeding and develop genetics-based breeding for rapid growth, better body shape, and improved scales. However, there are no breeding studies on developing domestic Israeli carp since 1973. To develop an Israeli carp breed that grows fast and has improved body shape and scale using genetic breeding methods.
Results: Four breeding groups were set. A mating scheme was developed considering the morphological analysis and genetic distance of broodstock. F1 was produced according to the mating scheme. The Korea × China group grew faster in 17 months. Total length in the China × Korea group was small, but body height was similar to that of the other groups, and the condition factor was the highest. Common Israeli carp in Korea reached 1.7 kg in 17 months, and improved Israeli carp reached to 2.2 kg. The scale scores of the F1 group were 1.98 (China × China), 2.68 (China × Korea), 2.36 (Korea × China) and 3.18 (Korea × Korea). The average number of scales crossing between China and Korea was 2.52 and broodstock group was 3.15. F1 showed lower scale score (0.63) than broodstock.
Conclusions: The improved carp has better scales than parent group, which improved in weight and scales compared to common Israeli carp. The Israeli carp developed by the genetics-based breeding grew quicker and had improved fewer scales, which will be of great value for domestic Israeli aquaculture industry due to good marketability.
Keywords
Israeli carp, Cyprinus carpio, genetic breeding, parentage analysis
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This is a preprint, a preliminary version of a manuscript that has not completed peer review at a journal. Research Square does not conduct peer review prior to posting preprints. The posting of a preprint on this server should not be interpreted as an endorsement of its validity or suitability for dissemination as established information or for guiding clinical practice.
Research article
Badges
Prescreen
This manuscript passed our Prescreen assessment
Complete author information
Appropriate declaration statements
Potential risks to human health
Prescreen
History
CURRENT STATUS: Posted
Version 1
Posted 28 Feb, 2020
No community comments so far
Metrics
Comments: 0
PDF Downloads: ...
HTML Views: ...
License:
This work is licensed under a CC BY 4.0 License. Read Full License
Background: There is a need to recover the genetic diversity of Israeli carp by continuous inbreeding and develop genetics-based breeding for rapid growth, better body shape, and improved scales. However, there are no breeding studies on developing domestic Israeli carp since 1973. To develop an Israeli carp breed that grows fast and has improved body shape and scale using genetic breeding methods.
Results: Four breeding groups were set. A mating scheme was developed considering the morphological analysis and genetic distance of broodstock. F1 was produced according to the mating scheme. The Korea × China group grew faster in 17 months. Total length in the China × Korea group was small, but body height was similar to that of the other groups, and the condition factor was the highest. Common Israeli carp in Korea reached 1.7 kg in 17 months, and improved Israeli carp reached to 2.2 kg. The scale scores of the F1 group were 1.98 (China × China), 2.68 (China × Korea), 2.36 (Korea × China) and 3.18 (Korea × Korea). The average number of scales crossing between China and Korea was 2.52 and broodstock group was 3.15. F1 showed lower scale score (0.63) than broodstock.
Conclusions: The improved carp has better scales than parent group, which improved in weight and scales compared to common Israeli carp. The Israeli carp developed by the genetics-based breeding grew quicker and had improved fewer scales, which will be of great value for domestic Israeli aquaculture industry due to good marketability.
Figure 1
Figure 2
Figure 3
This is a list of supplementary files associated with this preprint. Click to download.
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