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日本对虾为暖水种类,广泛分布于地中海、东非、南非、红海、阿拉伯湾、菲律宾以及我国东南沿海。其繁殖盛期为每年3～5月及9～10月。亲虾主要栖息水深30～80 m,底质为泥沙或沙泥的海区。成虾一般体长180～250 mm,体重120～160g。日本对虾生命力较强,离水后不易死亡,便十运输,具有较高的经济价值,是重要的育苗和养殖对象。现将我们探索的日本对虾育苗工艺介绍如下:1 亲虾的伺养与促熟1.1 亲虾的饲养1.1.1 亲虾的挑选 现在大多数育功厂家都是利用海捕虾作为亲虾的来源。在挑选亲虾时,应尽量选个体较大,体表光滑,健康的已交配个体。
Japanese shrimp is a warm water species, widely distributed in the Mediterranean, East Africa, South Africa, the Red Sea, the Arabian Gulf, the Philippines and China’s southeast coast. Its breeding season for the annual March to May and September to October. Broodstock mainly inhabit the water depth of 30 ~ 80 m, sediment or sediment sediment of the sea area. Shrimp general body length 180 ~ 250 mm, weight 120 ~ 160g. Japanese shrimp vitality stronger, less likely to die after leaving the water, then transport ten, with high economic value, is an important nursery and breeding target. Now we explore the Japanese prawn nursery process are as follows: 1, the service and maturity of broodstock 1.1 The breeding of broodstock 1.1.1 The selection of broodstock Now most of the power plants are the use of sea shrimp as the source of broodstock . In the selection of broodstock, should try to choose a larger individual, body surface smooth, healthy mating individuals.