Journal article
Genetic evaluation of a complete diallel cross involving three populations of freshwater prawn (Macrobrachium rosenbergii) from different geographical regions of India
Aquaculture, Vol.319(3-4), pp.347-354
2011
Abstract
Estimates of additive genetic, reciprocal and average heterosis effects were obtained from a three by three complete diallel cross experiment for giant freshwater prawn Macrobrachium rosenbergii. The data were generated in two batches. Three populations were sampled from the states of Gujarat (West), Kerala (South West) and Orissa (East) in India. The two mating batches of diallel crosses were combined in the analysis. A total 4773 animals (2233 in Batch 1 and 2540 in Batch 2) were tagged with VIA (Visible Implant Alpha numeric tags). A total of 2545 animals (979 and 1566 from Batch 1 and 2, respectively) were harvested with readable VIA tags and were; therefore available for analysis. The fixed effects included in the models were test environment (ponds 1 or 2 in batch 1, ponds 3 or 4 in batch 2), sex (male or female) and batch (1 or 2). Age at harvest was fitted as linear covariate. The genotype effect was partitioned into additive, non additive and reciprocal cross effects. Body weight, standard length and carapace length were recorded during tagging, sampling and harvesting. Estimates of additive genetic effect in the three stocks showed that the Kerala stock had greater body weight, carapace length and standard length, followed by Orissa then Gujarat. Average heterosis for body traits was low (3.1 to 6.3%) and not significantly different from zero. The results are discussed with respect to the choice of the most appropriate breeding strategy to improve the performance of M. rosenbergii in India.
Details
- Title
- Genetic evaluation of a complete diallel cross involving three populations of freshwater prawn (Macrobrachium rosenbergii) from different geographical regions of India
- Authors
- B R Pillai (Author) - Central Institute of Freshwater Aquaculture, IndiaK D Mahapatra (Author) - Central Institute of Freshwater Aquaculture, IndiaR W Ponzoni (Author) - Worldfish Centre, MalaysiaL Sahoo (Author) - Central Institute of Freshwater Aquaculture, IndiaP L Lalrinsanga (Author) - Central Institute of Freshwater Aquaculture, IndiaNguyen Hong Nguyen (Author) - Worldfish Centre, MalaysiaSwagathika Sahu (Author) - Central Institute of Freshwater AquacultureS Mohanty (Author) - Central Institute of Freshwater Aquaculture, IndiaVijaykumar (Author) - Central Institute of Freshwater Aquaculture, IndiaSovan Sahu (Author) - Central Institute of Freshwater AquacultureH L Khaw (Author) - Worldfish Centre, MalaysiaG Patra (Author) - Central Institute of Freshwater Aquaculture, IndiaS Patnaik (Author) - Central Institute of Freshwater Aquaculture, IndiaS C Rath (Author) - Central Institute of Freshwater Aquaculture, India
- Publication details
- Aquaculture, Vol.319(3-4), pp.347-354
- Publisher
- Elsevier BV
- Date published
- 2011
- DOI
- 10.1016/j.aquaculture.2011.07.026
- ISSN
- 0044-8486; 0044-8486
- Organisation Unit
- School of Science and Engineering - Legacy; University of the Sunshine Coast, Queensland; School of Science, Technology and Engineering; Centre for Bioinnovation
- Language
- English
- Record Identifier
- 99449219402621
- Output Type
- Journal article
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web Of Science research areas
- Fisheries
- Marine & Freshwater Biology