由(you)於(yu)近(jin)段(duan)時(shi)間(jian)飼(si)料(liao)原(yuan)料(liao)價(jia)格(ge)上(shang)漲(zhang)幅(fu)度(du)較(jiao)大(da),一(yi)些(xie)不(bu)法(fa)分(fen)子(zi),在(zai)利(li)益(yi)驅(qu)使(shi)下(xia),向(xiang)飼(si)料(liao)原(yuan)料(liao)中(zhong)摻(chan)假(jia)夾(jia)雜(za),並(bing)且(qie)摻(chan)假(jia)技(ji)巧(qiao)花(hua)樣(yang)翻(fan)新(xin),使(shi)原(yuan)料(liao)質(zhi)量(liang)很(hen)難(nan)鑒(jian)定(ding),造(zao)成(cheng)市(shi)場(chang)上(shang)雞(ji)采(cai)食(shi)量(liang)高(gao)且(qie)蛋(dan)重(zhong)小(xiao),豬(zhu)生(sheng)長(chang)速(su)度(du)減(jian)慢(man),出(chu)欄(lan)時(shi)間(jian)延(yan)長(chang)等(deng)問(wen)題(ti)。
為了控製了飼料質量,必須控製好原料質量,現將幾種常見的原料摻假方式及鑒別方法介紹如下:
麩皮是最常用的原料,但摻假現象也比較嚴重,常摻有滑石粉、daokangdeng,zhezhongqingkuangdejianding,keyishoucharufupizhongchouchu,rushoushangzhanyoubaisefenmoqiebuyidouxiazezhengmingchanyouhuashifen,rongyidouluodeweicanyumianfen,zaiyongshouzhuabafupishijinwo,ruguofupichengtuanweichunzhengfupi,erwoshishouyouzhangdeganjiao,zechanyoudaogukang,rucuozaishouxinyoujiaohuadeganjiao,zeyouhuashifen。lingwaijiancecuhuifenjicudanbaiyekeyipanding。yinweichanjiazhecuhuifengao,cudanbaibugou。
動物蛋白魚粉中摻假原料有血粉、羽毛粉、皮革粉、肉骨粉、huashengkefendeng,duiyuzhezhongqingkuang,kebayufenyonglvbozhibaozhuyonghuodianran,genjuchanshengdeqiweikeyipanduanyufenzhiliangdezhenjia,lingwai,kequyixieyufenfangzaibolibeizhong,chongfenjiaobanjingzhihoukeyiguancha,chanrudeshashichendi,erhuashengke、棉餅等浮在水麵上。
對於棉粕、caipodechanjia,kezaixidiyanguanjianding,biyaodeqingkuangxiazhunbeiyigefangdajing,zaifangdajingxiaduisiliaoyuanliaojinxingjianding,youqiduiyudibuyixiekelijiaoxiaodebixuzaixijianbie。xianzaixiangmianpo、菜(cai)粕(po)的(de)不(bu)同(tong)顏(yan)色(se),加(jia)入(ru)色(se)素(su),然(ran)後(hou)幹(gan)燥(zao),製(zhi)成(cheng)子(zi)粒(li),粒(li)度(du)比(bi)米(mi)粒(li)還(hai)小(xiao),這(zhe)樣(yang)帶(dai)有(you)稻(dao)殼(ke)麩(fu)皮(pi)及(ji)這(zhe)種(zhong)小(xiao)粒(li)的(de)顏(yan)色(se)與(yu)棉(mian)粕(po)極(ji)為(wei)相(xiang)似(si),一(yi)般(ban)不(bu)仔(zai)細(xi)看(kan),不(bu)易(yi)看(kan)出(chu),但(dan)是(shi)仔(zai)細(xi)查(zha)看(kan)其(qi)細(xi)碎(sui)部(bu)分(fen),看(kan)到(dao)可(ke)疑(yi)的(de)粒(li)度(du)拿(na)出(chu)用(yong)手(shou)用(yong)力(li)搓(cuo),即(ji)成(cheng)粉(fen)末(mo),這(zhe)就(jiu)證(zheng)明(ming)裏(li)麵(mian)有(you)假(jia)?
對於豆粕的摻假方式更不易看出,如摻入非蛋白氮的如尿素,用測真蛋白的方式可以排除,用玉米芯和石粉加上蛋白精(脲醛聚合物)配上顏色製成粒,又壓成片,摻入豆粕中,這種小片和豆粕片極為相像,不仔細查看邊緣,不易查覺,但這種情況可以用測鈣、磷含量,計算鈣、磷的比例,及測粗灰分可以查出有假。所以,現在針對飼料原料不能隻簡單的測定粗蛋白,必須配合仔細的外觀檢查,及粗灰分、鈣、磷的測定來判斷。
飼si料liao企qi業ye的de競jing爭zheng越yue來lai越yue激ji烈lie,平ping均jun利li潤run率lv在zai下xia降jiang,如ru果guo不bu控kong製zhi好hao原yuan料liao的de質zhi量liang,後hou果guo不bu堪kan設she想xiang,所suo以yi飼si料liao企qi業ye對dui原yuan料liao質zhi量liang必bi須xu把ba緊jin,嚴yan防fang摻chan假jia原yuan料liao的de入ru侵qin。?
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