1.水溫。親蝦產卵期的水溫控製在18~20℃;受精卵孵化的水溫為20℃左右。
2.yandu。duixiasuishuguangyanxingxialei,duixiayumiaoqijian,youyuhaishuideliudongxingheqihoudebianhuaxing,bukenengzuodaoziranhaishuisuishimanzushengchandeyaoqiu,yinershiyongziranhaishuiyumiao,bukebimiandihuichuxianyandukongzhishangdewenti,bujinzengjialeshuizhijiancehetiaozhengshangdegongzuoliang,erqiekongzhibudangjiangzhijieyingxiangdaoyumiaogongzuo。
3.溶解氧。幼體階段的耐氧限度為4毫克/升左右。為了保證育苗水體內有足夠的氧氣供應,實行池內不間斷充氣育苗。為此,準備了兩台發電機組,以保證育苗期間24小時電力暢通。
二、餌料要求
對蝦幼體在不同發育階段對餌料的要求不一致。無節幼體靠自身的卵黃為營養,溞狀幼體以單胞藻類為食,後期小型浮遊動物(輪蟲、貝類幼體等)為wei餌er。糠kang蝦xia幼you體ti除chu繼ji續xu以yi上shang述shu小xiao型xing浮fu遊you動dong物wu為wei食shi外wai,也ye攝she食shi小xiao型xing的de鹵lu蟲chong幼you體ti,仔zai蝦xia則ze以yi鹵lu蟲chong幼you體ti為wei主zhu要yao食shi物wu,較jiao大da的de仔zai蝦xia也ye可ke投tou喂wei細xi碎sui的de蛤ha肉rou。另ling外wai,為wei了le保bao證zheng蝦xia苗miao質zhi量liang,配pei以yi嚴yan格ge進jin水shui過guo濾lv、加jia大da池chi水shui換huan水shui量liang等deng措cuo施shi,提ti高gao育yu苗miao水shui體ti質zhi量liang,堅jian持chi不bu使shi用yong任ren何he藥yao物wu。並bing且qie,親qin蝦xia產chan卵luan兩liang次ci後hou,即ji撈lao出chu不bu再zai使shi用yong,確que保bao出chu售shou的de蝦xia苗miao檢jian疫yi過guo關guan、外售合格。
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