1、早期壯苗 在華南沿海,養蝦戶習慣於蝦苗長到3厘米以上才喂幼蝦配合飼料,有的蝦苗投入20天tian後hou才cai喂wei飼si料liao,利li用yong蝦xia池chi肥fei水shui的de基ji礎chu餌er料liao生sheng物wu養yang蝦xia。這zhe對dui於yu南nan美mei白bai對dui蝦xia來lai說shuo是shi很hen不bu科ke學xue的de,南nan美mei白bai對dui蝦xia食shi性xing雜za而er且qie食shi量liang大da,蝦xia苗miao剛gang從cong苗miao場chang放fang入ru蝦xia池chi養yang殖zhi,如ru果guo營ying養yang跟gen不bu上shang,就jiu會hui給gei整zheng個ge養yang殖zhi過guo程cheng帶dai來lai病bing害hai的de威wei脅xie,就jiu是shiSPF(無特定病原)xiamiaoyenanyibaozhengyangzhichenggong。xiamiaojiuxiangyingeryiyang,gezhongshenglijinengdoubuwanshan,ruchihoushiyingxindeyangzhihuanjingdenenglijiaoruo,zheyangchenghuolvnanyibaozheng。ruguozaixiamiaoruchihoulijijiaweishaoliangdemianyiqiudanbaidongwuxingerliao,ruhaorouhexianyuroumi,keyitigaoxiamiaoduiwaijiecijideyingjinengli,xianzhutigaoxiamiaochenghuolv。
2、中期防病 由於南美白對蝦食量大,投餌量可按其生活習性進行調整,每天可投喂5—6餐,白天投喂量占日投喂量的35%,晚間投65%。每星期加喂兩餐免疫球蛋白,按3%—5%拌在飼料中以提高蝦體的抗病力。
3、後期摧肥 在zai中zhong期qi的de養yang殖zhi基ji礎chu上shang,加jia大da投tou餌er量liang,特te別bie是shi在zai對dui蝦xia攝she食shi旺wang盛sheng的de傍bang晚wan和he深shen夜ye,加jia強qiang高gao效xiao優you質zhi配pei合he飼si料liao的de投tou喂wei,並bing增zeng加jia投tou喂wei次ci數shu,適shi當dang提ti高gao蝦xia塘tang的de池chi水shui鹽yan度du,促cu進jin對dui蝦xia蛻tui殼ke和he硬ying殼ke,這zhe樣yang可ke以yi提ti高gao商shang品pin蝦xia的de質zhi量liang,增zeng加jia養yang蝦xia的de經jing濟ji效xiao益yi。
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