Storage and transport of embryonated eggs of the signal crayfish Pacifastacus leniusculus

被引：3
|
作者：
Celada, JD [1 ]
González, J [1 ]
Carral, JM [1 ]
Fernández, R [1 ]
Pérez, JR [1 ]
Sáez-Royuela, M [1 ]
机构：
[1] Univ Leon, Fac Vet, Dept Prod Anim 2, E-24071 Leon, Spain
来源：
NORTH AMERICAN JOURNAL OF AQUACULTURE | 2000年 / 62卷 / 04期
关键词：
D O I：
10.1577/1548-8454(2000)062<0308:SATOEE>2.0.CO;2
中图分类号：
S9 [水产、渔业];
学科分类号：
0908 ;
摘要：
We evaluated storage of embryonated eggs of the signal crayfish Pacifastacus leniusculus in polystyrene boxes for 1, 3, 6, 28, and 56 d at two temperatures, 12 +/- 1 degreesC and 4 +/- 0.5 degreesC. For periods up to 4 weeks, survival at the end of storage for both temperatures exceeded 95%, and survival to stage-2 juvenile (after first molt) exceeded 63%. Following 8 weeks of storage, survival to stage-1 and stage-2 juveniles was significantly reduced. These experiments have shown the feasibility of egg storage for up to 4 weeks. in addition, 6-h transport (300 km) of embryonated eggs followed by up to 2 d of storage did not have a negative effect on egg viability.
引用
收藏
页码：308 / 310
页数：3
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