CN104324133B - 一种清热解毒的兽药及其制备方法 - Google Patents

一种清热解毒的兽药及其制备方法 Download PDF

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CN104324133B
CN104324133B CN201410562896.2A CN201410562896A CN104324133B CN 104324133 B CN104324133 B CN 104324133B CN 201410562896 A CN201410562896 A CN 201410562896A CN 104324133 B CN104324133 B CN 104324133B
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veterinary drug
heat
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pig
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CN104324133A (zh
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高亚飞
顾有方
殷宗俊
高亚成
李升和
孙裴
高静
李郁
蒋广志
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Anhui Bakexia Breeding Pig Breeding Co ltd
Anhui Duroc Breeding Pig Breeding Co ltd
Anhui Haoxiang Agriculture And Animal Husbandry Co ltd
Maanshan Fulaiyi Environmental Protection Technology Co ltd
Anhui University of Science and Technology
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ANHUI BAKEXIA BOAR BREEDING Co Ltd
ANHUI DULUOKE BOAR BREEDING Co Ltd
ANHUI HAOXIANG AGRICULTURE AND ANIMAL HUSBANDRY Co Ltd
Anhui University of Science and Technology
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Abstract

本发明涉及一种清热解毒的兽药及其制备方法。该兽药是由如下中药原料制备而成的:苦参,生地黄,金银花,车前子,防风,蚕蜕,生甘草,连翘,黄芩,黄柏,滑石。本发明兽药具有安全、方便、经济的优点,并且治疗效果理想。

Description

一种清热解毒的兽药及其制备方法
技术领域
本发明涉及中药领域,具体涉及一种清热解毒的兽药及其制备方法。
背景技术
猪属恒温动物,不管环境温度高低,体温都必须保持在38℃左右。但猪属恒温动物,皮下脂肪厚,汗腺不发达,不善于通过皮肤出汗、蒸发散热来调节体温,体内热能散发较慢,因此,猪很不耐热,而且越大的猪越不耐热。
饲养实践证明,猪生长发育需要的适宜温度随体重和年龄增加而下降,初生仔猪为27~29℃,断奶仔猪为21~24℃,生长育肥猪为15~25℃,产仔和哺乳母猪为16~18℃。当猪的产热大于散热,体温升高,容易发生热应激反应。
持续的热应激可使猪的采食量降低6%~21%或更多,日增重减少。母猪则表现为卵巢机能减退,受胎率下降,妊娠末期死胎数增加,窝重减少,甚至流产,***品质和数量下降,最终引起产房仔猪拉稀和生长缓慢,影响仔猪成活率和断奶重。公猪交配欲减弱,***品质降低。
猪的最适温度随体重和年龄增加而下降:初生仔猪:27—30℃;断奶仔猪:21—24℃;育肥猪:15—22℃;产仔母猪:16—18℃。
如果猪舍环境温度超过了最适温度范围,猪体的产热大于散热,当过多的热量蓄积在体内不能散发出去时,则猪的体温开始升高,导致循环、代谢及神经内分泌***发生紊乱,引起热应激甚至热射病。
防治措施:
1、搭建凉棚或搭建遮阳网。机械通风排除有害气体。舍温过高时可用胶管或喷雾器定时向猪体(分娩舍除外)和屋顶喷水降温或人工洒水降温。对空怀和妊娠母猪、生长育肥猪,采用喷雾或喷淋降温的办法降温速度很快,5—10分钟即可将舍内温度降低5—8℃,且能净化空气。但会增加舍内和床面湿度,因此要注意通风防潮。
2、改善饲养管理
可在饲料中添加5%以内的油脂,增加饲料中粗蛋白含量,这样可以保证在高温时猪采食量减少的情况下能够满足营养需求,饲料中添加200—500ppm维生素C和200ppm维生素E,可提高抗热应激的能力。
3、添加抗热应激药物
在饮水中添加蔗糖、电解质等成分,不但能抗热应激,还能显著促进仔猪生长,提高饲料报酬。饲料中添加10毫克/千克大豆黄酮素或400毫克/千克牛磺酸,可减轻热应激对育肥猪的影响。猪饲料中补充300微克/千克铬(吡啶羧酸铬),可以缓解高温应激作用,提高猪采食量和日增重,降低料重比。。
发明内容
本发明的目的是提供一种清热解毒的兽药;
本发明的另一目的是提供一种清热解毒的兽药的制备方法。
本发明的目的是通过下列的技术方案实现的:
本发明所述的清热解毒的兽药,它是由如下重量份的原料制备而成的:
苦参4-6份,生地黄4-6份,金银花4-6份,车前子2-4份,防风2-4份,蚕蜕2-4份,生甘草1-3份,连翘1-3份,黄芩1-3份,黄柏1-3份,滑石0.5-1.5份。
优选地,是由如下重量份的原料制备而成的:
苦参5份,生地黄5份,金银花5份,车前子3份,防风3份,蚕蜕3份,生甘草2份,连翘2份,黄芩2份,黄柏2份,滑石1份。
以下是本发明清热解毒的兽药的中药材来源及主要功效:
苦参:为豆科植物苦参Sophora flavescens Ait.的干燥根。春、秋二季采挖,除去根头和小支根,洗净,干燥,或趁鲜切片,干燥。性味与归经】苦,寒。归心、肝、胃、大肠、膀胱经。【功能与主治】清热燥湿,杀虫,利尿。用于热痢,便血,黄疸尿闭,赤白带下,阴肿阴痒,湿疹,湿疮,皮肤瘙痒,疥癣麻风;外治滴虫性***炎。【注意】不宜与藜芦同用。
生地黄:为玄参科植物地黄Rehmannia glutinosa Libosch.的新鲜或干燥块根。秋季采挖,除去芦头、须根及泥沙,鲜用;或将地黄缓缓烘焙至约八成干。前者习称“鲜地黄”,后者习称“生地黄”。【性味与归经】生地黄甘,寒。归心、肝、肾经。【功能与主治】生地黄清热凉血,养阴生津。用于热人营血,温毒发斑,吐血衄血,热病伤阴,舌绛烦渴,津伤便秘,阴虚发热,骨蒸蒡热,内热消渴。
金银花:为忍冬科植物忍冬Lonicera japonica Thunb.的干燥花蕾或带初开的花。夏初花开放前采收,干燥。【性味与归经】甘,寒。归肺、心、胃经。【功能与主治】清热解毒,疏散风热。用于痈肿疗疮,喉痹,丹毒,热毒血痢,风热感冒,温病发热。
车前子:为车前科植物车前Plantago asiatica L.或平车前Plantago depressaWilld.的干燥成熟种子。夏、秋二季种子成熟时采收果穗,晒干,搓出种子,除去杂质。【性味与归经】甘,寒。归肝、肾、肺、小肠经。【功能与主治】清热利尿通淋,渗湿止泻,明目,祛痰。用于热淋涩痛,水肿胀满,暑湿泄泻,目赤肿痛,痰热咳嗽。
防风:为伞形科植物防风Saposhnikovia divaricata(Turcz.)Schischk.的干燥根。春、秋二季采挖未抽花茎植株的根,除去须根和泥沙,晒干。【性味与归经】辛、甘,微温。归膀胱、肝、脾经。【功能与主治】祛风解表,胜湿止痛,止痉。用于感冒头痛,风湿痹痛,风疹瘙痒,破伤风。
蚕蜕:为蚕蛾科昆虫家蚕蛾幼虫的蜕皮Bombyx mori L.。又名蚕退、马鸣退、马明退、蚕蜕皮、佛退、蚕退皮、蚕衣、蚕儿衣。【性味】甘,平,无毒。【功用主治】治崩漏,带下,痢疾,吐血,衄血,便血,牙疳,口疮,堠风,目翳。
生甘草:为豆科植物甘草Glycyrrhiza uralensis Fisch.、胀果甘草Glycyrrhizainflate Bat.或光果甘草Glycyrrhiza glabra L.的干燥根和根茎。春,秋二季采挖,除去须根,晒干。【性味与归经】甘,平。归心、肺、脾、胃经。【功能与主治】补脾益气,清热解毒,祛痰止咳,缓急止痛,调和诸药。用于脾胃虚弱,倦怠乏力,心悸气短,咳嗽痰多,脘腹、四肢挛急疼痛,痈肿疮毒,缓解药物毒性、烈性。
连翘:为木犀科植物连翘Forsythia suspense(Thunb.)Vahl的干燥果实。秋季果实初熟尚带绿色时采收,除去杂质,蒸熟,晒干,习称“青翘”;果实熟透时采收,晒干,除去杂质,习称“老翘”。【性味与归经】苦,微寒。归肺、心、小肠经。【功能与主治】清热解毒,消肿散结,疏散风热。用于痈疽,瘰疬,乳痈,丹毒,风热感冒,温病初起,温热入营,高热烦渴,神昏发斑,热淋涩痛。
黄芩:为唇形科植物黄芩Scutellaria baicalensis Georgi的干燥根。春、秋二季采挖,除去须根和泥沙,晒后撞去粗皮,晒干。【性味与归经】苦,寒。归肺、胆、脾、大肠、小肠经。【功能与主治】清热燥湿,泻火解毒,止血,安胎。用于湿温、暑湿,胸闷呕恶,湿热痞满,泻痢,黄疸,肺热咳嗽,高热烦渴.血热吐衄,痈肿疮毒,胎动不安。
黄柏:为芸香科植物黄皮树Phellodendron chinense Schneid.的干燥树皮。习称“川黄柏”。剥取树皮后,除去粗皮,晒干。【性味与归经】苦,寒。归肾、膀胱经。【功能与主治】清热燥湿,泻火除蒸,解毒疗疮。用于湿热泻痢,黄疸尿赤,带***痒,热淋涩痛,脚气痿蹙,骨蒸劳热,盗汗,遗精,疮疡肿毒,湿疹湿疮。盐黄柏滋阴降火。用于阴虚火旺,盗汗骨蒸。
滑石:为硅酸盐类矿物滑石族滑石,主含含水硅酸镁[Mg3(Si4010)(OH)2]。采挖后,除去泥沙及杂石。【性味与归经】甘、淡,寒。归膀胱、肺、胃经。【功能与主治】利尿通淋,清热解暑,外用祛湿敛疮。用于热淋,石淋,尿热涩痛,暑湿烦渴,湿热水泻;外治湿疹,湿疮,痱子。
本发明的另一方面是提供了本发明兽药的活性成分的制备方法,该方法是采用水提或40—80%体积百分浓度的乙醇提取。具体的制备方法如下:
方案一:取全部药材,加水提取2-3次,每次加水量相当于药材总重量的6-12倍,每次提取时间为1-3小时,合并提取液,滤过,滤液浓缩至70-80℃时相对密度为1.10-1.25的清膏,即得活性成分。
方案二:取全部药材,加水提取2-3次,每次加水量相当于药材总重量的6-12倍,每次提取时间为1-3小时,合并提取液,滤过,滤液浓缩至70-80℃时相对密度为1.05-1.20的清膏,加入乙醇,使含醇量为40-70%,静置12-24小时,滤过,滤液浓缩至70-80℃时相对密度为1.10-1.25的浸膏,即得活性成分。
方案三:取全部药材,用40-80%乙醇回流提取2-3次,每次乙醇用量为药材总量的4-10倍,提取时间为1-3小时,合并提取液,过滤,滤液浓缩至60-80℃时相对密度为1.10-1.25的浸膏,即得活性成分。
本发明所述的清热解毒的兽药,可以与医药学上可接受的载体配合,制成各种常用制剂,如片剂、颗粒剂、胶囊剂、糖浆剂等。
本发明的药学上可接受的载体包括但不限于以下:
稀释剂:淀粉、糖粉、乳糖、糊精、微晶纤维素、无机盐、糖醇类等。
润湿剂与粘合剂:纯化水、乙醇、明胶、聚乙二醇、纤维素衍生物等。
崩解剂:淀粉、羧甲基淀粉钠、纤维素衍生物、交联聚维酮等。
润滑剂:硬脂酸镁、微粉硅胶、滑石粉、聚乙二醇等。
助溶剂:水、乙醇、甘油、丙二醇、液状石蜡、植物油等。
矫味剂:蔗糖、单糖、芳香剂等。
防腐剂:苯甲酸、山梨酸、甲酯、乙酯、丙酯等。
从中兽医角度分析,热应激乃因暑湿夹攻、湿热内蕴、肾气亏虚、肝脾不和所致,故宜以清热解暑、凉血解毒、滋补肾气为原则,本发明苦参清热燥湿,生地黄清热凉血,金银花清热解毒,疏散风热,车前子清热利尿通淋,防风祛风解表,蚕蜕解毒消肿,生甘草补脾益气,清热解毒,连翘疏散风热,黄芩清热燥湿,泻火解毒,黄柏泻火除蒸,滑石清热解暑。本发明全方搭配科学合理,轻清透表,疏散风热,清解热毒,能迅速地祛除猪体内积热,促进湿热毒排出,补益脾气,使猪尽快恢复健康。
本发明提供的一种清热解毒的兽药具有以下优点:
1、本发明提供的兽药轻清透表,疏散风热,清解热毒,能迅速地祛除猪体内积热,促进湿热毒排出,补益脾气,使猪尽快恢复健康。临床使用结果显示:本发明能有效治疗猪热应激症,是简便易行、安全有效的治疗方法。临床治疗总有效率为100%,证明本发明治疗效果极显著。
2、本发明通过服用中药治疗,清热解毒效果理想,具有安全、彻底、方便、经济的优点。
具体实施方式
下面通过实施例进一步说明本发明。应该理解的是,本发明的实施例是用于说明本发明而不是对本发明的限制。根据本发明的实质对本发明进行的简单改进都属于本发明要求保护的范围。除非另有说明,本发明中的乙醇量的百分数是体积百分数,v/v表示溶液的体积比。
实施例1:
取苦参5kg,生地黄5kg,金银花5kg,车前子3kg,防风3kg,蚕蜕3kg,生甘草2kg,连翘2kg,黄芩2kg,黄柏2kg,滑石1kg,加水提取2次,两次加水量分别为药材总重量的10倍、8倍,两次提取时间分别为2小时、1小时,合并提取液,滤过,滤液浓缩为药材总量的1倍,即得汤剂。
实施例2:
取苦参4kg,生地黄4kg,金银花4kg,车前子2kg,防风2kg,蚕蜕2kg,生甘草1kg,连翘1kg,黄芩1kg,黄柏1kg,滑石0.5kg,用40%乙醇回流提取3次,每次乙醇用量分别为药材总量的10倍、8倍、4倍,提取时间分别3小时、2小时、1小时,合并提取液,过滤,滤液浓缩至60℃时相对密度为1.25的浸膏,加入辅料淀粉、乙醇、滑石粉,制得片剂。
实施例3:
取苦参6kg,生地黄6kg,金银花6kg,车前子4kg,防风4kg,蚕蜕4kg,生甘草3kg,连翘3kg,黄芩3kg,黄柏3kg,滑石1.5kg,加水提取3次,三次加水量分别相当于药材总重量的12倍、8倍、6倍,每次提取时间分别3小时、2小时、1小时,合并提取液,滤过,滤液浓缩至70℃时相对密度为1.20的清膏,加入乙醇,使含醇量为40%,静置24小时,滤过,滤液浓缩至70℃时相对密度为1.10的浸膏,加入纯化水至总重量为药材总重量的3倍,灌装,即得本发明合剂。
实施例4:
取苦参4kg,生地黄6kg,金银花4kg,车前子4kg,防风2kg,蚕蜕4kg,生甘草1kg,连翘3kg,黄芩1kg,黄柏3kg,滑石0.5kg,用乙醇回流提取2次,每次乙醇浓度分别为80%、60%,每次乙醇用量分别为药材总量的10倍、8倍,提取时间分别为4小时、3小时,合并提取液,过滤,滤液浓缩至80℃时相对密度为1.10的浸膏,加入辅料淀粉、乙醇、滑石粉,制得片剂。
实施例5:
取苦参6kg,生地黄4kg,金银花6kg,车前子2kg,防风4kg,蚕蜕2kg,生甘草3kg,连翘1kg,黄芩3kg,黄柏1kg,滑石1.5kg,加水提取3次,三次加水量分别为药材总重量的12倍、8倍、6倍,三次提取时间分别为3小时、2小时、1小时,合并提取液,滤过,滤液浓缩至70℃时相对密度为1.25的清膏,加入辅料淀粉、乙醇、糊精、硬脂酸镁,装入胶囊壳、制得胶囊剂。
实施例6:
取苦参5kg,生地黄4kg,金银花6kg,车前子3kg,防风2kg,蚕蜕4kg,生甘草2kg,连翘1kg,黄芩3kg,黄柏2kg,滑石0.5kg,加水提取2次,每次加水量分别相当于药材总重量的12倍、10倍,每次提取时间分别为3小时、2小时,合并提取液,滤过,滤液浓缩至80℃下相对密度为1.05的清膏,加入乙醇,使含醇量为70%,静置12小时,滤过,滤液浓缩至70℃时相对密度为1.25的浸膏,加入辅料糖粉、淀粉、糊精、乙醇,制得颗粒剂。
实施例7:
称取苦参6kg,生地黄6kg,金银花4kg,车前子2kg,防风3kg,蚕蜕4kg,生甘草2kg,连翘3kg,黄芩1kg,黄柏2kg,滑石1kg,加水提取2次,两次加水量分别为药材总重量的10倍、8倍,两次提取时间分别为2小时、1小时,合并提取液,滤过,滤液浓缩至80℃时相对密度为1.10的浸膏。在浸膏中加入糖浆剂辅料蔗糖、山梨酸、水搅拌均匀,制得糖浆剂。
实施例8:
称取苦参5kg,生地黄5kg,金银花5kg,车前子3kg,防风3kg,蚕蜕3kg,生甘草2kg,连翘2kg,黄芩2kg,黄柏2kg,滑石1kg,净选,粉碎,即得本发明粉剂。
临床治疗总结
1临床表现
发病季节为夏天,患病猪的食欲时好时差,早晨和傍晚相对吃食较多,中午只吃几口就不再吃了,有的猪甚至食欲废绝。中午呼吸迫促,呈胸腹式呼吸,有的呈犬坐姿式,磨牙、伸舌、口流白沫,且全身皮肤潮红或呈现紫斑;傍晚和早晨猪只相对较平静,皮肤潮红、有少量紫斑。中午猪只精神萎顿,卧地不起,不愿走动;早晨和傍晚较爱活动。个别猪腹部鼓气,有的猪能排出少量颗粒状粪球,有的能排出少量茶色尿液。环境测温发现猪舍内环境温度从上午10时至下午5时为35.5-38.3℃,早晨和傍晚为33℃左右,夜间为30.8-33.5℃。猪***测温,中午猪只体温为41.6-42.8℃,早晨、傍晚为40.5-41.2℃,夜间为40.2-40.6℃。
2剖检病变
病死猪均未发现病毒性传染病与细菌性传染病特有的病理变化。只见肺气肿、肾充血、肿胀、胃充血、大肠、小肠粘膜充血,膀胱充血,***肿胀、充血。
3治疗方法
加强猪舍内通风换气,打开猪舍门窗,在猪舍内安装吊扇、移动式电风扇和排气扇,并根据环境温度的变化情况打开或关闭。环境温度在31-35℃时,时开时关;超过35℃以上时,要整日开,保证每头猪都能吹到风。
喷水降温。往屋顶喷水,往猪舍地面、墙壁、猪体喷雾降温,以减少热辐射,降低舍内和猪体的温度。气温超过30-35℃时,每隔2-3小时喷1次,超过35℃以上时,每隔1小时喷1次。
喂饮药汤:给予本发明实施例1汤剂,每日3次。
4疗效观察
有效:服药后15天内,虽然外界温度仍持续为35℃以上,但猪的食欲及精神状态明显恢复正常;
无效:猪的食欲及精神无改善,甚至出现死亡。
5治疗结果,见表1
表1 治疗后猪的恢复情况
例数 有效 无效 总有效率(%)
106 100 0 100
6讨论
随着规模化养猪的发展,热应激综合征对猪的正常生长影响日益严重。无法单纯从改善猪舍环境防止猪热应激综合征的发生,在猪的日常饮食中添加本发明的清热解毒中药,促进猪体内热量的***,从里而外预防或治疗该病的发生。
虽然,上文中已经用一般性说明、具体实施方式及试验,对本发明作了详尽的描述,但在本发明基础上,可以对之作一些修改或改进,这对本领域技术人员而言是显而易见的。因此,在不偏离本发明精神的基础上所做的这些修改或改进,均属于本发明要求保护的范围。

Claims (7)

1.一种具有治疗猪热应激功效的兽药,其特征在于它是由如下重量份的原料制备而成的:苦参4-6份,生地黄4-6份,金银花4-6份,车前子2-4份,防风2-4份,蚕蜕2-4份,生甘草1-3份,连翘1-3份,黄芩1-3份,黄柏1-3份,滑石0.5-1.5份。
2.根据权利要求1所述的兽药,其特征在于它是由如下重量份的原料制备而成的:苦参5份,生地黄5份,金银花5份,车前子3份,防风3份,蚕蜕3份,生甘草2份,连翘2份,黄芩2份,黄柏2份,滑石1份。
3.如权利要求1或2任意一项所述的兽药,其特征在于它的活性成分是采用水提或40—80%体积百分浓度的乙醇提取制备而成的。
4.如权利要求3所述的兽药,其特征在于它的活性成分是通过以下方法制备而成的:取全部药材,加水提取2-3次,每次加水量相当于药材总重量的6-12倍,每次提取时间为1-3小时,合并提取液,滤过,滤液浓缩至70-80℃时相对密度为1.10-1.25的清膏,即得所述活性成分。
5.如权利要求3所述的兽药,其特征在于它的活性成分是通过以下方法制备而成的:取全部药材,加水提取2-3次,每次加水量相当于药材总重量的6-12倍,每次提取时间为1-3小时,合并提取液,滤过,滤液浓缩至70-80℃时相对密度为1.05-1.20的清膏,加入乙醇,使含醇量为40-70%,静置12-24小时,滤过,滤液浓缩至70-80℃时相对密度为1.10-1.25的浸膏,即得所述活性成分。
6.如权利要求3所述的兽药,其特征在于它的活性成分是通过以下方法制备而成的:取全部药材,用40-80%乙醇回流提取2-3次,每次乙醇用量为药材总量的4-10倍,提取时间为1-3小时,合并提取液,过滤,滤液浓缩至60-80℃时相对密度为1.10-1.25的浸膏,即得所述活性成分。
7.一种具有治疗猪热应激功效的兽药制剂,其特征在于,由权利要求1或2所述的兽药与医药行业上可接受的载体配合制备而得。
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