目前對蝦飼料種類繁多,主要有南美白對蝦料、斑節對蝦料、日本對蝦料。而對蝦對粗蛋白含量要求是:日本對蝦高於斑節對蝦,斑節對蝦高於南美白對蝦。選擇對蝦飼料直觀的方法比較簡單,就是一看、二嗅、三嚐、四試水。真正要看出效果和差別,還要通過比較養殖效果,餌料係數,售後服務等方麵。一看蝦料外觀。好的對蝦飼料顆粒大小均勻,表biao麵mian光guang滑hua,切qie口kou平ping整zheng,含han粉fen末mo少shao,色se澤ze均jun勻yun一yi致zhi。顆ke粒li大da小xiao均jun勻yun的de對dui蝦xia飼si料liao有you助zhu於yu池chi塘tang中zhong對dui蝦xia攝she食shi量liang的de平ping均jun分fen配pei,可ke以yi避bi免mian對dui蝦xia生sheng長chang過guo程cheng中zhong個ge體ti參can差cha不bu齊qi。含han粉fen末mo少shao的de飼si料liao對dui水shui體ti汙wu染ran較jiao小xiao,而er且qie飼si料liao被bei攝she食shi利li用yong率lv較jiao高gao。色se澤ze均jun勻yun一yi致zhi的de飼si料liao原yuan料liao粉fen碎sui的de比bi較jiao均jun勻yun,熟shu化hua完wan全quan,水shui份fen含han量liang在zai飼si料liao中zhong比bi較jiao均jun衡heng。二er嗅xiu蝦xia料liao氣qi味wei。
haodeduixiasiliaoyouyufendexingxiangwei,huozheleisizhiwuyoudeqingxiang,xiasiliaodanbaichengfenbijiaogao。gerenganguanbutong,ganjiaodaodexiangweinongdanyebuyiyang。zhiliangbijiaochadesiliaomeiyouxiangwei,huozheyoucibidexiangjingqiwei,huozhezhiyoumianfendekangwei。sanchangxialiaoweidao。yongkouchangkeyijianyanxialiaoshifouxinxian,youmeiyoubianzhi。yinweiyoudexialiaoshishanglesesude,congwaiguanhennankanchulai。sishishui。shishuishiweileshiyanxialiaozaishuizhongdewendingxing。quyibaxialiaofangrushuibeizhong,shengshangshui,guo30分鍾取出幾粒出來用手捏一捏,略有軟化的則是比較好的飼料,沒有軟化的有原料調質工藝的問題。再過3小時觀察尚在水杯中的飼料,仍然保持著顆粒形狀不潰散的為好飼料。凡是過早潰散或者很難軟化的的飼料在加工工藝上都存在不足。
以yi上shang幾ji點dian隻zhi是shi憑ping經jing驗yan直zhi觀guan鑒jian別bie,對dui蝦xia飼si料liao的de最zui終zhong鑒jian別bie結jie果guo還hai要yao看kan養yang殖zhi效xiao果guo。有you的de蝦xia料liao工gong藝yi做zuo得de不bu是shi最zui好hao,但dan是shi營ying養yang技ji術shu配pei方fang是shi非fei常chang好hao的de。養yang殖zhi者zhe更geng看kan重zhong的de還hai是shi養yang殖zhi效xiao果guo,一yi種zhong對dui蝦xia飼si料liao好hao不bu好hao,養yang殖zhi戶hu用yong了le之zhi後hou蝦xia長chang得de快kuai不bu快kuai、長得均勻不均勻,餌料係數低不低,這才能夠真正確認飼料質量。養殖模式不同,每個對蝦飼料廠家的飼料加工工藝都不同,氮、磷lin等deng元yuan素su的de控kong製zhi使shi用yong在zai各ge種zhong不bu同tong養yang殖zhi模mo式shi中zhong不bu盡jin相xiang同tong。很hen多duo養yang殖zhi者zhe認ren為wei同tong一yi種zhong對dui蝦xia飼si料liao在zai高gao密mi度du水shui泥ni池chi中zhong和he在zai低di密mi度du土tu池chi中zhong的de餌er料liao係xi數shu表biao現xian是shi有you差cha別bie的de,養yang殖zhi過guo程cheng中zhong,輪lun換huan使shi用yong不bu同tong種zhong類lei的de飼si料liao,可ke以yi比bi較jiao出chu對dui蝦xia飼si料liao的de優you劣lie。
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