nqkk58 发表于 2024-10-10 16:10:49

超市里小酵母，水产养殖中大妙用！


    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">编辑 | 水产<span style="color: black;">科研</span>社</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">最新首发 | <span style="color: black;">认识</span>最新水产养殖知识，关注：</span><strong style="color: blue;"><span style="color: black;">水产<span style="color: black;">科研</span>社</span></strong></span></p>
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    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">水产养殖，病害防治，水质调节，技术交流，生态养鱼，养虾，养蟹，健康渔业，您值得信赖的水产小<span style="color: black;">助手</span>。</span></p>
    <div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-axegupay5k/47abcb8170974307b5a8f1607552c300~noop.image?_iz=58558&amp;from=article.pc_detail&amp;lk3s=953192f4&amp;x-expires=1728808692&amp;x-signature=0q0gvLGtA6LZWKGSKO6i%2B0gZv9U%3D" style="width: 50%; margin-bottom: 20px;"></div>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">酵母菌是一类是一类</span><strong style="color: blue;"><span style="color: black;">非丝状</span></strong>真核微生物，<strong style="color: blue;"><span style="color: black;">单细胞真核微生物的总<span style="color: black;">叫作</span></span></strong>,并非是自然的系统<span style="color: black;">归类</span>单元,其泛指能够发酵糖类的<span style="color: black;">各样</span>单细胞真菌,以区别于产生菌丝体的丝状真菌---霉菌和大型真菌。</span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">酵母菌是一类形态结构简单的真菌，<span style="color: black;">饱含</span>蛋白质、维生素、生长因子等多种营养物质，并且<span style="color: black;">能够</span>生产单细胞蛋白。</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"><span style="color: black;">平常</span>的重要酵母菌各属有酿酒酵母属（Saccharomyces)、裂殖酵母属(Schizosaccharomyces)、汉逊酵母属(Hansenula)、毕赤酵母属(Pichia)、假丝酵母属(Candida)、球拟酵母属（Torulopsis)和红酵母属( Rhodotorula)等；</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;"><span style="color: black;">酵母菌的形态与<span style="color: black;">体积</span></span></strong></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">大<span style="color: black;">都数</span>酵母菌为单细胞，形状因种而异。基本形态为球形、卵圆形、圆柱形、柠檬形或香肠形。</span></span></p>
    <div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/71b60f99e0ea4015908492e1806b4b33~noop.image?_iz=58558&amp;from=article.pc_detail&amp;lk3s=953192f4&amp;x-expires=1728808692&amp;x-signature=FxCI90r4sBHlHHRhwpQZ7XLLaa4%3D" style="width: 50%; margin-bottom: 20px;"></div>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">某些酵母菌进行一连串的芽殖后，<span style="color: black;">成长</span>的子细胞与母细胞并不立即分离，其间仅以极狭小的接触面相连，这种藕节状的细胞串<span style="color: black;">叫作</span>为假菌丝。酵母菌无鞭毛，<span style="color: black;">不可</span>游动。</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;"><span style="color: black;">酵母菌的细胞直径约为细菌的10倍，<span style="color: black;">通常</span>为2 μm～5 μm，长度为5 μm～30 μm，最长<span style="color: black;">达到</span>100 μm。</span></strong></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">每一种酵母菌的<span style="color: black;">体积</span>因生活环境、培养<span style="color: black;">要求</span>和培养时间长短而有<span style="color: black;">很强</span>的变化。最典型和最重要的</span><strong style="color: blue;"><span style="color: black;">啤酒酵母细胞<span style="color: black;">体积</span>为（2.5～10）μm×（4.5～21）μm。</span></strong></span></p>
    <div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p26-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/491e64c886f040f0a08ffd5819d78adb~noop.image?_iz=58558&amp;from=article.pc_detail&amp;lk3s=953192f4&amp;x-expires=1728808692&amp;x-signature=Q3n2mDBVe8dAtTpngepGx0fctxA%3D" style="width: 50%; margin-bottom: 20px;"></div>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">其中</span><strong style="color: blue;"><span style="color: black;">酿酒酵母属是<span style="color: black;">日前</span><span style="color: black;">科研</span>最透彻、对人类社会贡献最大的酵母属</span></strong>,是酿酒工业的<span style="color: black;">重点</span>菌种,还用于制造面包、糕点、医药工业以及水产养殖等。</span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">啤酒酵母属于酿酒酵母的<span style="color: black;">区别</span>品种或株系，是啤酒生产上常用的发酵酵母,其细胞<span style="color: black;">通常</span>呈球形或卵形,平均直径为5~6μm,长宽比值<span style="color: black;">通常</span>为1.1。</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;"><span style="color: black;">酵母特点如下图所示：</span></strong></span></p>
    <div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/eced4192824b49e6a23e954c1562d060~noop.image?_iz=58558&amp;from=article.pc_detail&amp;lk3s=953192f4&amp;x-expires=1728808692&amp;x-signature=s8QI5%2ByFwlp4xt4Q3cYX%2Bj8ZXTE%3D" style="width: 50%; margin-bottom: 20px;"></div>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">啤酒酵母在麦芽汁琼脂培养基上菌落为乳白色，有光泽，平坦，边缘整齐。无性繁殖以芽殖为主。</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">能发酵葡萄糖、麦芽糖、半乳糖和蔗糖，<span style="color: black;">不可</span>发酵乳糖和蜜二糖。啤酒酵母营养丰富，蛋白质含量达50%，酵母多糖达25%-30%，还含有丰富的维生素和矿物质，啤酒酵母不仅<span style="color: black;">拥有</span>丰富的营养和<span style="color: black;">加强</span>机体免疫力的功能，<span style="color: black;">况且</span>还<span style="color: black;">拥有</span>增香、增鲜、调味的功效。</span></span></p>
    <div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/828cc29146e24c70a92883d226c81d06~noop.image?_iz=58558&amp;from=article.pc_detail&amp;lk3s=953192f4&amp;x-expires=1728808692&amp;x-signature=myt3THamd6b%2BUOJ5zSPZGUVr0FA%3D" style="width: 50%; margin-bottom: 20px;"></div>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">啤酒酵母细胞结构<span style="color: black;">包含</span>细胞壁(cellwall)、细胞膜(cell membrane)、细胞核( nucleus)、1个或多个液泡(vacuoles)、线粒体(mitochondrias)、核糖体(ribosomes)、内质网(endoplasmic reticulum)、微体(microsomes)、微丝( microfilament)和其他内含物等,<span style="color: black;">另外</span>还有出芽痕(bud scars)和诞生痕( birth scars)(图 1)。</span></span></p>
    <div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/c58dba0039294bf7baf8788ef9e2e5e2~noop.image?_iz=58558&amp;from=article.pc_detail&amp;lk3s=953192f4&amp;x-expires=1728808692&amp;x-signature=gJniIwqidK2GKcuFbNfQZCKPHNc%3D" style="width: 50%; margin-bottom: 20px;"></div>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">啤酒酵母细胞含有丰富的营养物质,其中蛋白质含量<span style="color: black;">达到</span>酵母干物质含量的45%~55%,且<span style="color: black;">饱含</span>人体所必需的8种氨基酸,脂肪含量为1%~8%,功能性多糖含量高达细胞壁干重的95%。</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">啤酒酵母中的维生素和矿物质含量<span style="color: black;">亦</span><span style="color: black;">非常</span>丰富,<span style="color: black;">重点</span><span style="color: black;">饱含</span>硫胺素、核黄素等近10种B族维生素,以及磷、铁、钙等10多种微量元素,在调节动物体生理机能方面发挥重要<span style="color: black;">功效</span>。</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"><span style="color: black;">另外</span>,啤酒酵母<span style="color: black;">做为</span>优良的发酵菌种,其细胞内还<span style="color: black;">拥有</span>发达的酶系统和丰富的生理活性物质,能够分泌产生蔗糖酶、蛋白酶、脂肪酶等 10 多种生物酶,以及多种辅酶、细胞色素C、凝血质、谷胱甘肽等生理活性物质，<span style="color: black;">日前</span>利用废啤酒酵母提取<span style="color: black;">拥有</span>生物活性的功能物质<span style="color: black;">亦</span>已<span style="color: black;">逐步</span><span style="color: black;">作为</span><span style="color: black;">科研</span>的热点。</span></span></p>
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            <div style="color: black; text-align: left; margin-bottom: 10px;"><a style="color: black;">酵母菌粪肠球菌乳酸菌净水降pH鱼虾蟹调节肠道有益菌水产养殖</a>普崴</div>
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    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">酿酒酵母细胞壁中的多糖[<span style="color: black;">重点</span>为</span><strong style="color: blue;"><span style="color: black;">β-1,3-葡聚糖</span></strong>和<strong style="color: blue;"><span style="color: black;">甘露寡糖( mannanoligosaccharides,MOS)</span></strong>]<span style="color: black;">因为</span><strong style="color: blue;"><span style="color: black;">在促进生长、<span style="color: black;">加强</span>饲料利用效率、<span style="color: black;">守护</span>肠道健康和<span style="color: black;">加强</span>免疫力方面所<span style="color: black;">拥有</span>的<span style="color: black;">明显</span>效果而<span style="color: black;">逐步</span>被人们<span style="color: black;">注重</span></span></strong>,<span style="color: black;">同期</span>酵母多糖类<span style="color: black;">制品</span><span style="color: black;">做为</span>饲料添加剂在水产养殖中的<span style="color: black;">研发</span>和应用越来越广泛。</span></p>
    <div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/fd5d00c3af9043b9a25fb2c480b8fcc5~noop.image?_iz=58558&amp;from=article.pc_detail&amp;lk3s=953192f4&amp;x-expires=1728808692&amp;x-signature=2glCvWTwsZ7MO1fwzn8GiVl52Po%3D" style="width: 50%; margin-bottom: 20px;"></div>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;"><span style="color: black;">β－１，３－葡聚糖在水产饲料中的应用</span></strong></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"><span style="color: black;">做为</span>抵抗<span style="color: black;">疾患</span>非常重要的一道防线,血清中的溶菌酶、抗体、补体因子以及其他<span style="color: black;">各样</span>细胞因子在抵抗病菌侵蚀方面发挥着非常重要的<span style="color: black;">功效</span>,β-葡聚糖是<span style="color: black;">日前</span>被广泛<span style="color: black;">运用</span>的益生元,对鱼类<span style="color: black;">拥有</span>良好的免疫<span style="color: black;">加强</span><span style="color: black;">功效</span>,在<span style="color: black;">加强</span>溶菌酶活性、补体活性和杀菌活性方面均<span style="color: black;">拥有</span><span style="color: black;">明显</span>的<span style="color: black;">功效</span>。</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">酵母β-葡聚糖能够<span style="color: black;">明显</span><span style="color: black;">加强</span>鲤肾脏噬菌细胞的吞活性,攻毒<span style="color: black;">实验</span><span style="color: black;">显示</span>饲喂β-葡聚糖后鱼体对嗜水气单胞菌(Aeromonas hydrophila)的抵抗<span style="color: black;">功效</span><span style="color: black;">显著</span><span style="color: black;">加强</span>。</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">从众多的<span style="color: black;">科研</span>结果来看,β-1,3-葡聚糖对许多养殖鱼类均<span style="color: black;">拥有</span><span style="color: black;">显著</span>的免疫<span style="color: black;">加强</span><span style="color: black;">功效</span>,<span style="color: black;">然则</span>其<span style="color: black;">功效</span>效果仍会因鱼种,β-葡聚糖<span style="color: black;">源自</span>、剂量以及<span style="color: black;">运用</span>时间长短而呈现出<span style="color: black;">必定</span>的差异。</span></span></p>
    <div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/82ebb37f41334501b5e588b7aab9853d~noop.image?_iz=58558&amp;from=article.pc_detail&amp;lk3s=953192f4&amp;x-expires=1728808692&amp;x-signature=2lE7E03pCkaUdh0rkZ1SaQbgNaA%3D" style="width: 50%; margin-bottom: 20px;"></div>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;"><span style="color: black;">MOS在水产饲料中的应用</span></strong></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">水产养殖中的 MOS<span style="color: black;">制品</span><span style="color: black;">重点</span>由酿酒酵母细胞壁中的甘露聚糖酶解而来,<span style="color: black;">通常</span>认为 MOS <span style="color: black;">拥有</span>阻止肠道病原菌定植和刺激免疫系统的功能，<span style="color: black;">另外</span>其<span style="color: black;">做为</span>饲料添加剂<span style="color: black;">同期</span><span style="color: black;">亦</span><span style="color: black;">拥有</span>促进生长和<span style="color: black;">加强</span>饲料转化效率的<span style="color: black;">功效</span>,<span style="color: black;">然则</span><span style="color: black;">按照</span> MOS的<span style="color: black;">源自</span>、剂量、添加时间,以及养殖<span style="color: black;">要求</span>、养殖鱼种类和年龄<span style="color: black;">体积</span>等的<span style="color: black;">区别</span>,其添加效果有所差异。</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">细菌<span style="color: black;">重点</span>依靠其表面特定的糖基与特定的凝集素之间的相互<span style="color: black;">功效</span>吸附到肠道细胞表面,这是细菌在肠道定植并产<span style="color: black;">患病</span>理反应的必经途径。</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">MOS 能够阻止这一过程的<span style="color: black;">出现</span>,<span style="color: black;">由于</span>MOS 能够竞争病原菌表面的吸附位点,清除病原菌的吸附表面,破坏细胞识别,从而有效减少病原菌与肠壁细胞之间吸附<span style="color: black;">功效</span>的发生,阻止病原菌在肠道的定植,使病原菌随粪便加速排出体外,大大降低了<span style="color: black;">疾患</span><span style="color: black;">出现</span>的可能性和严重性。</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"><span style="color: black;">科研</span><span style="color: black;">发掘</span> β-1.3-葡聚糖和 MOS 不仅是良好的天然免疫<span style="color: black;">加强</span>剂,<span style="color: black;">况且</span>对水产动物的生长<span style="color: black;">亦</span><span style="color: black;">拥有</span><span style="color: black;">显著</span>的促进<span style="color: black;">功效</span>。</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;"><span style="color: black;">酿酒酵母核苷酸营养</span></strong></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">核苷酸是<span style="color: black;">身体</span>合成核酸的前体物质,由嘌呤或嘧啶碱基、核糖或脱氧核糖以及磷酸<span style="color: black;">构成</span>,在细胞结构、代谢、遗传信息编码和细胞信号传递、能量和功能调节方面都<span style="color: black;">拥有</span>重要<span style="color: black;">功效</span>。</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">酿酒酵母细胞中的核酸 95%以上为 RNA，占细胞干重的 7%~10%,是养殖动物获取外源核苷酸非常好的途径。</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">许丹丹等综述了外源核苷酸对水产动物的营养生理<span style="color: black;">功效</span>,认为</span><strong style="color: blue;"><span style="color: black;">核苷酸<span style="color: black;">拥有</span>促进摄食、调节生长、<span style="color: black;">守护</span>肝脏、促进肠道生长和<span style="color: black;">生长</span>、调节肠道微生物菌群以及<span style="color: black;">加强</span>免疫和抗应激能力的功能。</span></strong></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">酵母核苷酸是<span style="color: black;">剧烈</span>的水产动物诱食剂,其对水产动物的味觉、嗅觉神经以及化学感受器有特定<span style="color: black;">功效</span>,能够改善饲料的适口性,刺激动物对饲料的摄食,从而促进水产动物生长,<span style="color: black;">加强</span>免疫能力。</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">无论投喂<span style="color: black;">商场</span>饲料还是半纯化饲料,饲料中添加<span style="color: black;">必定</span>量的核苷酸均能促进斑节对虾(penaeus mon-odon)的生长,<span style="color: black;">加强</span>其日均增长率。</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;"><span style="color: black;">酿酒酵母氨基酸／ 小肽营养</span></strong></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">酵母类<span style="color: black;">制品</span>中还含有<span style="color: black;">海量</span>的氨基酸和小肽,<span style="color: black;">包含</span>为蛋白质合成<span style="color: black;">供给</span>碳-氮骨架的营养性小肽,以及参与调节动物生理活动的功能性小肽(如谷胱甘肽)。</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">酿酒酵母中必需氨基酸含量接近20%,其中赖氨酸含量为 3.43%,蛋氨酸为 0.72%；赖氨酸:蛋氨酸:色氨酸:苏氨酸=100:21:19:64。</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">氨基酸和小肽可直接被动物吸收利用,完整地<span style="color: black;">经过</span>肠黏膜细胞进入机体循环,<span style="color: black;">拥有</span>速度快、耗能低、载体<span style="color: black;">很难</span>饱和等特点,从而减少氨基酸间的相互竞争,加速蛋白质的合成,<span style="color: black;">帮助</span>矿物元素吸收(形成微量元素螯合物)。</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;"><span style="color: black;">总结</span></strong></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">酿酒酵母细胞壁含有丰富的 β-1,3-葡聚糖和甘露寡糖(MOS),<span style="color: black;">达到</span>到细胞壁干重的95%<span style="color: black;">上下</span>,它们在促进水产动物生长、<span style="color: black;">加强</span>非特异性免疫能力方面发挥着非常重要的<span style="color: black;">功效</span>。</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">酵母细胞原生质中含量丰富的核苷酸和氨基酸/小肽能够对水产动物产生<span style="color: black;">剧烈</span>的诱食效应,<span style="color: black;">明显</span>促进水产动物生长、<span style="color: black;">加强</span>饲料吸收利用效率,并对水产动物免疫能力<span style="color: black;">拥有</span>良好的<span style="color: black;">加强</span>效应。</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">近年来，我国水产养殖业得到了迅猛的发展，<span style="color: black;">非常多</span>酵母菌衍生<span style="color: black;">制品</span>被广泛用于水产养殖饲料中，以<span style="color: black;">处理</span>饲料蛋白源缺乏的问题。</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">众多的<span style="color: black;">科研</span><span style="color: black;">显示</span>,酿酒酵母细胞壁免疫多糖和酿酒酵母核苷酸类<span style="color: black;">制品</span><span style="color: black;">做为</span>天然、<span style="color: black;">优秀</span>的单细胞蛋白质源,在促进水产动物生长、改善饲料品质、<span style="color: black;">加强</span>动物免疫能力方面均发挥着非常重要的<span style="color: black;">功效</span>。</span></span></p>




nykek5i 发表于 2024-10-30 05:46:06

说得好啊！我在外链论坛打滚这么多年，所谓阅人无数，就算没有见过猪走路，也总明白猪肉是啥味道的。
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