霉菌毒素吸附劑ppt課件-文庫(kù)吧資料
2025-05-18 13:37本頁(yè)面
【正文】 產(chǎn)蛋量、蛋品質(zhì)與孵化率l 免疫抑制 疫苗接種失敗l 降低繁殖效率l 呼吸與消化混亂l 致癌效應(yīng)l 死 亡去除霉菌毒素污染的方法去除霉菌毒素污染的方法u 化 學(xué)u 物 理u 生物學(xué)CHEMICAL TREATMENTS8 Treatment of feed with a mixture of calcium hydroxide and formaldehyde and autoclaving for one hour.8 Ammonia treatment of feed and subsequent heating at 40oC for one hour. 8 Sodium hydroxide treatment followed by autoclaving at psi for 1! hours.PHYSICAL TREATMENTS8 Exposure of feed to sunlight in thin layers for six hours for two consecutive days.8 Autoclaving feed and feedstuffs at psi for one hour.8 Extraction of mycotoxins with suitable solvents.8 Destroying mycotoxins by irradiation.8 Adsorbing mycotoxins by sorbent materials, such as aluminosilicates, zeolites, clays and polymers BIOLOGICAL TREATMENTS8 Deposition of mycotoxins by microanisms.8 Deposition of mycotoxins by specific enzymes and nucleotides對(duì)去除霉菌毒素污染方法對(duì)去除霉菌毒素污染方法的評(píng)價(jià)的評(píng)價(jià)大多數(shù)方法是：3 不可實(shí)際操作的3 效率低下3 潛在的危險(xiǎn)性3 勞動(dòng)強(qiáng)度高3 費(fèi)用高 3 不適于工業(yè)化規(guī)模操作控制霉菌毒素的污染控制霉菌毒素的污染e 大多谷物飼料在收割前 (田間 )或者到達(dá)飼料倉(cāng)庫(kù)時(shí)已被霉菌毒素所污染，霉菌毒素產(chǎn)生的環(huán)境：溫度 /水分 黃曲霉毒素 2425oC/1318% ， T2毒素 825oC/20% ， F2毒素 25oC/1516%e 雖然霉菌抑制劑可控制霉菌的生長(zhǎng)e 但霉菌抑制劑不能去除霉菌毒素田間毒素 Field toxins8 鐮刀菌屬毒素 Fusa
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