</noscript><center> <!--顶部链接 begin--> <table cellSpacing=0 cellPadding=0 width=890 border=0> <tr> <td width=5 bgColor=#ffffff><IMG height=5 src="/img/corner01.gif" width=5></td> <td width=885 bgColor=#ffffff></td> </tr> </table> <table cellSpacing=0 cellPadding=0 width=890 bgColor=#ffffff border=0> <tr> <td align=center> <table cellSpacing=0 cellPadding=0 width=882 border=0> <tr align=left> <td width=255><A href="/fishmeal/"><IMG height=40 alt=鱼粉-中国饲料行业信息网 src="/img/logo_market_fishmeal.gif" width=250 border=0></A></td> <td> <table cellSpacing=0 cellPadding=0 width="100%" border=0> <tr> <td class=toplink><script language='javascript' src='/ad/200807/299.js'></script></td> </tr> <tr> <td bgColor=#999999 height=1></td> </tr> <tr> <td class=toplink><script language='javascript' src='/ad/200806/284.js'></script></td> </tr> </table> </td> </tr> </table> </td> </tr> </table> <!--页面内容开始--> <table width="890" border="0" cellpadding="0" cellspacing="0" bgcolor="#FFFFFF"> <tr> <td align="center"><table width="880" border="0" cellspacing="0" cellpadding="2" style="margin:5px auto"> <tr> <td align="left" bgcolor="#D9EED5">您现在的位置： <a class='LinkPath' href='http://www.feedtrade.com.cn/'>中国饲料行业信息网</a> >> <a class='LinkPath' href='/fishmeal/Index.html'>鱼粉</a> >> <a class='LinkPath' href='/fishmeal/fishmealzhishi/Index.html'>鱼粉知识</a> >> 鱼粉正文</td> </tr> </table> </td> </tr> <tr> <td align="center"><table width="880" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="585" align="center" valign="top" bgcolor="#FFFFFF"><table width="100%" border="0" cellpadding="0" cellspacing="1" bgcolor="#999999"> <tr> <td align="center" bgcolor="#FFFFFF"><table width="96%" border="0" align="center" cellpadding="０" cellspacing="０"> <tr> <td height="50" align="center"><h1>如何选择性价比最优的鱼粉</h1></td> </tr> <tr> <td height="24" align="center">文章来源：<font color="#000099">中国鱼粉网</font> 更新时间：<font color="#000099">2008-10-31</font> 点击数：<script language='javascript' src='/fishmeal/GetHits.asp?ArticleID=237712'></script> <a href="#comment">评论本文</a></td> </tr> </table> <table width="585" border="0" cellspacing="0" cellpadding="0"> <tr> <td height="80" valign="middle"> <!--fishmeal-content-b01--> <script type='text/javascript'><!--//<![CDATA[ var m3_u = (location.protocol=='https:'?'https://www.feedbanner.cn/delivery/ajs.php':'http://www.feedbanner.cn/delivery/ajs.php'); var m3_r = Math.floor(Math.random()*99999999999); if (!document.MAX_used) document.MAX_used = ','; document.write ("<scr"+"ipt type='text/javascript' src='"+m3_u); document.write ("?zoneid=217"); document.write ('&cb=' + m3_r); if (document.MAX_used != ',') document.write ("&exclude=" + document.MAX_used); document.write (document.charset ? '&charset='+document.charset : (document.characterSet ? '&charset='+document.characterSet : '')); document.write ("&loc=" + escape(window.location)); if (document.referrer) document.write ("&referer=" + escape(document.referrer)); if (document.context) document.write ("&context=" + escape(document.context)); if (document.mmm_fo) document.write ("&mmm_fo=1"); document.write ("'><\/scr"+"ipt>"); //]]>--></script><noscript><a href='http://www.feedbanner.cn/delivery/ck.php?n=acc0a509&cb=INSERT_RANDOM_NUMBER_HERE' target='_blank'><img src='http://www.feedbanner.cn/delivery/avw.php?zoneid=217&cb=INSERT_RANDOM_NUMBER_HERE&n=acc0a509' border='0' alt='' /></a></noscript> </td> </tr> </table> <table width="96%" border="0" align="center" cellpadding="０" cellspacing="０" style="margin:5px auto"> <tr> <td align="left" class="text"><div class="ReplyContent"><P> 鱼粉是一种优质的动物蛋白原料，因其氨基酸含量较为平衡，对促进动物体的生长发育起着极其重要的作用，而被广泛应用于饲料配方当中。由于世界渔业资源呈现逐年递减的趋势，世界鱼粉的产量近年来也有较大幅度的下降，价格也随之大幅的攀升。据统计， 2006 年秘鲁直火红鱼粉在中国港口成交价全年加权平均在 8300 元 / 吨左右，价格与 2005 年相比涨幅达到 40% 左右。高价格的鱼粉，给鱼粉刚性需求较大的饲料企业控制产品成本，带来了严峻的挑战。如何选择性价比最优的鱼粉，是饲料企业亟待解决的问题。 </P> <P> 一、高度重视鱼粉产品的安全性 </P> <P> 1. 微生物污染 </P> <P> 鱼粉极易受沙门氏菌和大肠杆菌污染，被上述致病菌污染的鱼粉所加工的饲料会对养殖对象产生严重的危害，因此在鱼粉生产、运输、储存方面避免受微生物污染及对致病菌的检验和控制，对饲料产品的安全性起到重要的作用。 </P> <P> 2. 组胺和肌胃糜烂素的危害 </P> <P> 组胺 （ Histamine ） 是生物胺的一种，其对动物毒害作用很强。动物蛋白性原料当受到含组胺酸脱羧酶的细菌如摩根氏变形杆菌或组胺无色杆菌污染后，在适当的环境条件下细菌会大量繁殖对动物蛋白组氨酸产生很强的分解脱羧作用，从而产生组胺。组胺含量越高，表明蛋白质腐败越严重，其 分子式为 C 5 H 9 N 3 。 当机体摄入组胺量超过 100 毫克以上时（或每公斤体重 1.5 毫克），即可引起过敏性食物中毒。</P> <P> 组胺的衍生产物称为肌胃糜烂素 （ Gizzarosin ） ，它是由鱼粉中的游离组氨酸及其代谢产物组胺与鱼粉中蛋白质 ( 赖氨酸的ε—氨基 ) 在鱼粉生产过程中，由 直火加热或干燥温度超过 130 ℃ 时 发生反应而形成的。肌胃糜烂素其毒性作用比组胺强得多，它的致病能力 100 倍于组胺，可促进胃酸大量分泌，因而促进肌胃角质膜溃疡、出血等。有报道称 2.2ppm 的肌胃糜烂素就可刺激家禽的胃酸分泌，造成胃部疾病， 导致猪下痢、鱼类肝脏受损等。 </P> <P></p><p align='center'><b><font color='red'>[1]</font> <a href='/fishmeal/fishmealzhishi/200810/237712_2.html'>[2]</a> <a href='/fishmeal/fishmealzhishi/200810/237712_3.html'>[3]</a> <a href='/fishmeal/fishmealzhishi/200810/237712_4.html'>[4]</a> <a href='/fishmeal/fishmealzhishi/200810/237712_2.html'>下一页</a> </b></p></div> <script language="javascript" type="text/javascript"> //<![CDATA[ var allow_keyword = '1'; 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