PERTUMBUHAN, KELANGSUNGAN HIDUP, DAN PERFORMA PRODUKSI UDANG GALAH, Macrobrachium rosenbergii HASIL SELEKSI PADA TIGA SEGMEN BUDIDAYA

I. Khasani, Asep Sopian
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引用次数: 0

Abstract

Pertumbuhan lambat dan maturasi dini merupakan permasalahan serius pada budidaya udang galah karena berdampak pada penurunan produktivitas budidayanya. Seleksi secara simultan pada karakter panjang standar (PS) dan level maturasi (LM) calon induk udang galah betina telah dilakukan dengan tujuan mendapatkan udang galah generasi ketiga (G-3) dengan performa tumbuh cepat dan maturasi lambat. Evaluasi performa benih populasi seleksi (PSL) dan kontrol (PKT), dilakukan pada tiga fase budidaya udang galah, yaitu fase pemeliharaan larva, pendederan, dan pembesaran. Fase pembenihan diperoleh indeks perkembangan larva (IPL) dan kelangsungan hidup (KH) yang lebih baik pada populasi PSL (9,63 ± 0,91 dan 59,43 ± 9,2%), dibandingkan pada PKT (8,73 ± 0,72 dan 39,64 ± 8,4%). Fase pendederan diperoleh PS, bobot badan (BB) dan KH sebesar 19,98 ± 2,95 mm; 0,22 ± 0,10 g; dan 87,27 ± 6,70% untuk PSL, lebih baik dibandingkan pada PKT; (18,70 ± 2,72 mm; 0,20 ± 0,09 g; dan 74,55 ± 5,4%). Fase pembesaran, PSL juga menunjukkan keunggulan, dengan PS, BB, dan KH sebesar 68,65 ± 8,11 mm; 15,82 ± 5,67 g; dan 70,5 ± 1,33% lebih tinggi dibandingkan PKT; 66,97 ± 9,72 mm dan 14,73 ± 6,86 g; dan 62,8 ± 18,44%. Level maturitas induk betina pada PSL juga lebih rendah (1,45 ± 0,77) dibandingkan pada PKT (1,52 ± 0,94). Data yang diperoleh menunjukkan bahwa seleksi individu secara simultan pada karakter PS dan LM efektif meningkatkan performa pertumbuhan dan produktivitas udang galah.Slow growth and early maturation are serious challenges in the giant freshwater prawn (GFP) farming. The simultaneous selection based on standard length (SL) and maturation level (ML) characters of the female giant prawns was carried out to produce the GFP strain (3th generation) which had higher productivity. The evaluation of the selection seed (PSL) and the control (PKT) populations was carried out in three phases of the GFP farming, namely the hatchery phase (larval rearing), the nursery, and the grow-out. In the hatchery phase, the larval development index and survival (SR) of the PSL were higher (9.63 ± 0.91 and 59.43 ± 9.2%) than that of the PKT (73 ± 0.72 and 39.64 ± 8.4%). In the nursery phase, PS, body weight (BW) and SR of the PSL were 19.98 ± 2.95 mm; 0.22 ± 0.10 g; 87.27 ± 6.70%. They were higher than that of the PKT, there were 18.70 ± 2.72 mm; 0.22 ± 0.09 g; and 74.55 ± 5.4%. In the grow-out phase, the performance of the PSL on PS, BW, and SR were also better, 68.65 ± 8.11 mm; 15.82 ± 5.67 g; 70.5 ± 1.33% than that of PKT, 66.97 ± 9.72 mm and 14.73 ± 6.86 g; 62.8 ± 18.44%. The maturity level of female prawns in PSL was also lower (1.45 ± 0.77) than that of PKT (1.52 ± 0.94). Based on these data, it can be concluded that simultaneous individual selection on PS and ML characters is effective to improve the growth performance and productivity of the GFP.
虾的生长、生存和虾的生产性能
低生长和早产是捕虾业的一个严重问题,因为这会影响捕虾业的生产力下降。同时选择标准长度(PS)和潜在的雌性对虾水平(LM)的角色,目的是获得第三代(g3)的对虾,具有生长速度和成熟缓慢的功能。对种群选择种子(PSL)和控制(PKT)的性能进行评估,是在虾仁栽培的三个阶段,也就是幼虫饲养、放养和放大阶段。幼虫孵化阶段获得的发展指数(于IPL)和人口(KH)更好的生存章(9.63±0.91和59.43±9,2%)相比,在PKT(8.73±0.72和39.64±8,4%)。pendederan阶段获得PS,重量大小的BB(机构)和KH 19.98±2.95毫米;0,22±0,10 g;和87.27±6,70%为PKT章,比;(18,70±2,72毫米;0,20±0.09 g;和74.55±5,4%)。扩张阶段,小伙子也表现卓越,用PS,大小的BB, KH 68.65±8,11毫米;15.82±5.67 g;和70.5±1,33%高于PKT;66.97±9.72毫米和14.73±6.86 g;和62,8±18,44%。maturitas级雌性较低也章(1,45±0.77)相比,在PKT(1,52±0,94)。收集到的数据表明,个人对PS和LM角色的同时选择有助于提高虾的生长和生产力。缓慢的成长和早期的文化在巨大的新生农场面临着严峻的挑战。基于既定标准的length和mature级别(ML)妇女祈祷的自然特征正在被考虑生产GFP菌株(3一代),该菌株具有更高的生产能力。对选举结果和控制的评估都集中在GFP farming、nemely hatchery phase、nursery和grow的三个阶段。在《larval hatchery的时期,发展指数》和《章生存(SR)是高(63±0。9 91和59 43±9。2%)很多学问之PKT±0。72和73(39 64±8 . 4%)。《苗圃相会,PS,车身重量(听说)》和《老章是19±2。98。95毫米;0。22±0。10克;87 70% 27±6。他们PKT之高很多学问,那里是18至70±2。72毫米;0。22±0。09 g;和74 55±5 . 4%。演出》《grow-out相会,PS上章,也听说了,和SR是最好,68。65±8 11毫米;15 . 82±5。67 g;5±1。70 33% PKT之学问,66 72毫米和97±9。14 . 73 g±6 . 86;62页。8±18 44%。《章是成熟的女性prawns水平还低(1。45±0。77 PKT)很多学问》(94)1 . 52±0。基于这些数据,它可能会结合PS和ML字符对提高GFP的生长性能和生产作用的平行个体捕获。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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