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Sains Malaysiana 44(8)(2015): 1111–1118 Evaluation of Growth Performance in Cyclically Mated Populations of Malaysian Giant Prawn, Macrobrachium rosenbergii, in Malaysia (Penilaian
Prestasi Tumbesaran secara Klinikal Populasi Ternakan Udang Galah
Malaysia, Macrobrachium
rosenbergii, di Malaysia) MOHAMED OMER ELSHEIKH1,2,
MOHD
FARIDUDDIN
BIN OTHMAN3, GOLAM
FARUQ1,
IHLAM
IBRAHIM
EID1
& SUBHA BHASSU4* 1Division
of Genetics and Molecular Biology, Institute of Biological Sciences,
Faculty of Science University
of Malaya, 50603 Kuala Lumpur, Malaysia 2Department
of Animal Genetics and Breeding, Faculty of Animal production, University
of Gezira, P.O. Box 20, Wad Medani, Sudan 3National
Prawn Fry Production and Research Centre, FRI,
Department of Fisheries, Kampung Pulau Sayak, 08500 Kota Kuala Muda,
Kedah Darul Aman, Malaysia 4Centre
for Research in Biotechnology for Agriculture (CEBAR),
Research Management and Innovation Complex, University of Malaya,
50603 Kuala Lumpur, Malaysia Diserahkan:
9 Disember 2014/Diterima: 7 April 2015 ABSTRACT Malaysian giant prawn,
Macrobrachium rosenbergii (de Man, 1879), is an important crustacean
aquaculture candidate globally cultured chiefly in hot climates
and seasonally in temperate zones. Although the first hatchery for
artificial production of the species was established in Malaysia
in 1984, however, its genetic improvement program has just started
recently. This study was executed as a part of this improvement
project to evaluate morphometric growth related traits of four populations
collected from the Western Coast of Peninsular Malaysia and their
progenies. The results of the study disclosed significant differences
among these populations for all traits that were considered; with
Kedah population showing significant (p<.05) superiority
over the rest. Within the eight successfully cohort progeny families
produced, Kedah progeny group was the heaviest at the same level
of significance as that of parental groups. Fixed effects of family,
sex and their interactions showed high significance (p<.0001).
Estimated heritability values for the traits mentioned above were
moderate to high; i.e. 0.5788±0.2989, 0.5156±0.2753, 0.4277±0.2407
and 0.5120±0.2739 for weight, total length, tail length and carapace
length, respectively. All mentioned results encourage us to un-hesitantly
recommend selection for these traits in future genetic improvement
of this species. Keywords: Cyclical mating;
heritability; Macrobrachium rosenbergii;
Malaysian giant prawn; quantitative traits ABSTRAK Udang galah Malaysia,
Macrobrachium rosenbergii (de Man, 1879), adalah species krustasea
yang utama dalam akuakultur di peringkat global yang diternak terutamanya
di kawasan iklim panas dan musim zon sederhana. Pusat penetasan
pertama untuk spesies ini telah ditubuhkan di Malaysia pada tahun
1984, walau bagaimanapun, program penambahbaikan genetiknya baru
sahaja dimulakan pada tahun 2009. Kajian yang dilakukan adalah sebahagian
daripada projek penambahbaikan untuk menilai perkembangan berkaitan
dengan sifat-sifat morfometri daripada empat populasi yang dikumpul
dari pesisir pantai Barat Semenanjung Malaysia serta baka mereka.
Hasil kajian menunjukkan terdapat perbezaan yang signifikan dalam
kalangan populasi bagi semua sifat-sifat yang telah dibincangkan;
dengan populasi dari Kedah menunjukkan signifikan (p<.0001)
kelebihan berbanding yang lain. Antara lapan kelompok keturunan
keluarga yang berjaya dihasilkan, sekumpulan progeni dari kedah
adalah yang paling berat dengan tahap yang sama signifikan dengan
induk. Anggaran nilai perwarisan untuk sifat-sifat yang disebutkan
adalah dari sederhana ke tinggi; iaitu 0.5788±0.2989, 0.5156±0.2753,
0.4277±0.2407 dan 0.5120±0.2739 masing-masing untuk berat badan,
jumlah panjang, panjang ekor dan panjang karapas. Perbezaan sifat
yang signifikan yang dianggarkan dalam kalangan populasi induk dan
kesan yang tetap antara sumber keluarga yang signifikannya tinggi
serta kewarisan yang dianggarkan dari sederhana ke tinggi dalam
penyelidikan tentang sifat, mendorong kita untuk tidak ragu-ragu
mencadangkan pilihan mereka untuk penambahbaikan genetik spesies
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surat-menyurat; email: subhabhassu@um.edu.my
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