1、加熱處理:豆粕中含有一些不良物質,如抗胰蛋白酶、產生甲狀腺腫的物質、zaosuyuxueningjisudeng。kangyidanbaimeidecunzaishixiaochangduidanbaizhidexiaohuaxishounenglixiajiang,shidoupozhongzhenzhengnenggoubeiniuxishoudedanbaizhishuliangjianshao,bingjiyiyinqifuxie,duniubiaoxianzegengweituchu。changqidaliangsiweishengdoupohaihuishiniudeyixianfashengbinglixingzengdabianhuahejiazhuangxianzhongda,shiniudedaixiefashengwenluan。shangshudebuliangwuzhijingguoshidangderechulirujiaredao110℃經過3分fen鍾zhong後hou就jiu會hui失shi去qu作zuo用yong。並bing且qie加jia熱re處chu理li後hou能neng夠gou減jian少shao蛋dan白bai質zhi在zai瘤liu胃wei的de消xiao化hua,降jiang低di瘤liu胃wei氨an損sun失shi,增zeng加jia過guo瘤liu胃wei蛋dan白bai含han量liang,從cong而er增zeng加jia小xiao腸chang對dui豆dou粕po中zhong蛋dan白bai質zhi的de消xiao化hua吸xi收shou量liang,顯xian著zhu地di提ti高gao豆dou粕po在zai喂wei牛niu時shi的de轉zhuan化hua效xiao率lv。需xu要yao注zhu意yi的de是shi,熱re處chu理li要yao適shi當dang,過guo熱re會hui使shi豆dou粕po蛋dan白bai質zhi變bian性xing而er降jiang低di其qi營ying養yang價jia值zhi。
2、粒度適當:將豆粕加工成粒度為直徑0.9-2.5毫米為宜(篩目為8-20目)。粒度過小則會使其在牛的瘤胃中產生大量的氨氣,造成蛋白質的損失,嚴重時會導致牛的氨中毒;粒度過大又會使其消化不完全,從而降低其飼喂價值。
3、配合禁忌:生豆粕中含有脲酶,它可使尿素分解產生氨氣和二氧化碳。因而生豆粕不能與尿素混合。
手機版




