猪水肿病的防治探讨

仔猪水肿病又名猪胃肠水肿、仔猪胃肠毒血症，是由病原性大肠杆菌的毒索引起断奶仔猪的一种急性散发性疾病，主要表现为突然发病，共济失调、惊厥、局部或全身麻痹及头部水肿。剖检变化为头部皮下、胃壁及大肠间隙的水肿。     

一例猪水肿病的诊治

猪水肿病又名猪胃肠水肿,是由大肠杆菌的毒素引起断奶仔猪的急性散发性疾病。主要表现为突然发病,运动共济失调,惊厥,局部或全身麻痹及头部水肿。病理变化为头部皮下、胃壁及大肠系膜水肿。现将一例猪水肿病的诊治情况介绍如下。     

一起典型仔猪水肿病的诊治体会

仔猪水肿病,又名猪胃肠水肿病,是由病原性大肠杆菌毒素引起断奶仔猪的一种急性散发性疾病。以头部水肿、运动失调、惊厥、麻痹及剖检时胃壁、肠系膜等水肿为特征。主要表现为突然发病,运动共济失调,惊厥,局部或全身麻痹及头部水肿。剖检变化为头部皮下、胃壁及大肠间膜的水肿。主要发生于断奶前后的仔猪,营养良好和体格健壮的仔猪发     

怎样防治猪水肿病

猪水肿病是由某些溶血性大肠杆菌引起的仔猪的一种急性、致死性疾病,也是断奶仔猪的一种肠毒血症。其临床特征是突然发病、头部水肿、运动失调、惊厥和麻痹。常发生于断奶仔猪,发病率低、死亡率较高,给小猪的培育造成很大损失。主要病变是胃壁和肠系膜水肿。     

一起猪水肿病的诊治报告

<正>猪水肿病是由致病性大肠杆菌所产生的毒素而引起的毒血症,又叫猪肠毒血症,俗名"猪红眼病",多见于断乳后仔猪,以突然发病、脸部、眼睑水肿、共济失调、惊厥和麻痹为特征。尤其是胃壁、肠系膜和头颈部皮下呈胶冻状水肿的病变具有诊断意义。现将一起猪水肿病的诊治情况总结报道如下。     

一起仔猪水肿病的诊疗体会

猪水肿病是由溶血性大肠杆菌引起的断奶仔猪的一种急性、散发性、致死性肠毒血症。也称猪胃肠水肿或猪大肠杆菌肠毒血症。主要以全身水肿和神经病状为特征。本人在临床工作中碰到不少的仔猪水肿病，先将比较典型的病例报道如下：     

仔猪水肿病的诊治

仔猪水肿病是溶血性大肠杆菌感染产生毒素而引起的仔猪的一种毒血症，其特征是胃壁和其他部位发生水肿，本病常突然发生，发病率不高，但死亡率很高，常出现内毒素引起休克而死亡。     

中西结合综合防治仔猪水肿病

猪水肿病是由某些溶血性大肠杆菌引起的肠毒血症,常发生于断奶仔猪,尤其是体况健壮的仔猪,是一种急性高致死性神经疾病.其特征病变为胃壁、结肠系膜、头部及其他部位水肿,共济失调,惊厥和麻痹.     

仔猪水肿病的诊断与防治

猪水肿病是由溶血性大肠杆菌引起的仔猪肠毒血症,特征是胃壁和其他某些部位发生水肿。发病率虽然不是很高,但病死率很高,给仔猪的培育造成损失。     

猪水肿病诊断与治疗

猪水肿病（edema disease of swine,ED）是由某些血清型的E．coli引起的断奶前后仔猪多发的一种急性肠毒血症,以突然发病、头部水肿、共济失调、惊厥和麻痹以及胃壁和肠系膜显著水肿为特征。该病主要发生于断乳后1～2周的猪,尤其是发育健壮的仔猪,是危害仔猪较严重的疾病之一。本试验从河北省保定某猪场分离到1株猪水肿病大肠杆菌,并对该分离株及该病病理组织学进行了观察。报告如下。     

商会自治的基石——商会自治规范研究

在现代法律秩序中,商会自治规范是制定法的基础和必要的补充,甚至在某些方面替代了制定法;商会自治规范主要包括商会组织规范、行为规范、惩罚规范以及争端解决规范等;其效力仅及于其内部成员;商会自治规范和制定法之间存在冲突,但也存在整合的基础。     

癸氧喹酯干混悬剂含量测定的改进

采用高效液相色谱法测定癸氧喹酯干混悬剂的含量,在2-250μg/mL范围内,峰面积的常用对数与进样量浓度的常用对数呈良好的线性关系,R^2=1(n=5),平均回收率为99.24%~99.51%,RSD在0.05%~0.28%。此方法分析时间短,样品前处理简便、定量结果准确,重现性好,结果满意,为其质量控制提供了依据。     

猪毛色遗传的研究进展

本文概述了猪的毛色类型、猪的毛色遗传模式,着重综述了猪毛色基因分子基础的研究进展,指出存在问题并就未来发展方向做了思考。     

Comparison of 2 methods of centesis of the bursa of the biceps brachii tendon of horses

REASONS FOR PERFORMING STUDY: Centesis of the bicipital bursa using an 8.9 cm long spinal needle has been reported but the alternative of employing a 3.8 cm long hypodermic needle requires validation. OBJECTIVE: To compare the efficacy of 2 different methods of centesis of the bicipital bursa and to evaluate the usefulness of ultrasonographic imaging to determine the location of solution administered when centesis of the bursa is attempted. METHODS: For Trial 1, 6 clinicians, who had no previous experience of centesis of the bicipital bursa, attempted to inject a solution composed of an aqueous radiopaque contrast medium and physiological saline solution (PSS) into the bicipital bursae of 2/12 horses using the previously described distal approach to inject one bursa and a proximal approach to inject the contralateral bursa. The bicipital tendon and bursa were examined ultrasonographically before and after injection; and both shoulders were examined radiographically to identify the location of the medium. In Trial 2, another 6 clinicians, also with no previous experience of centesis, repeated Trial 1, using 6 horses, but the radiopaque contrast medium was mixed with air instead of PSS. RESULTS: Accuracy of centesis using the proximal approach was 39% and that of the distal approach 28%. Ultrasonographic examination of the shoulder allowed the location of solution and air to be accurately predicted in all 12 shoulders examined. CONCLUSIONS: Clinicians who have had no previous experience performing centesis of the bicipital bursa are unlikely to be successful in centesis using either approach. Radiographic examination after injecting a radiopaque contrast medium may be necessary to assess the success of centesis especially if bursal fluid is not obtained during centesis. Injecting air along with the radiopaque contrast medium provides more accurate ultrasonographic confirmation of centesis and better radiographic definition than does injection without air.     

不同样本商品蜂蜜中硒含量的测定

用硝酸和高氯酸消化蜂蜜,使硒游离出来,在微酸性环境下,硒和2,3-二氨基萘(DAN)生成有较强荧光的物质,用环己烷萃取,在激发波长378nm,荧光波长518nm处测定其荧光强度。蜂蜜中硒含量范围:0.10～0.82μg/g。表明:蜂蜜应视为天然富硒营养品。     

乳酸杆菌益生作用机制的研究进展

乳酸杆菌作为益生菌广泛用于人和动物。本文综述了乳酸杆菌改善宿主健康的机制。乳酸杆菌可通过产生抗菌物质如乳酸、过氧化氢、细菌素,或者通过竞争营养或肠道黏附位点来抑制致病菌;通过诱导黏附素的分泌或阻止细胞凋亡而增强肠道的屏障功能,从而保护肠道。文章重点讨论了乳酸杆菌表面成分（表面蛋白、脂磷壁酸和肽聚糖）与肠道受体（Ｃ型凝集素受体、Ｔｏｌｌ样受体和 Ｎｏｄ样受体）,阐述了他们结合后启动免疫调节信号,调控肠道免疫功能以发挥改善健康作用的机制。     

中华人民共和国农业部公告 第267号

为贯彻落实《兽药生产质量管理规范》(简称《兽药GMP》),进一步推动兽药GMP实施进程,我部制定了《兽药生产质量管理规范检查验收办法》,现予公告。本公告自2003年6月1日起施行。附件:兽药生产质量管理规范检查验收办法二○○三年四月十日第一章 总则 第一条 为推动《兽药生产质量管理规范》(以下简称兽药GMP)的实施,规范兽药GMP检查验收工作,制定本办法。 第二条 农业部负责全国兽药GMP管理和检查验收工作;负责制修订兽药GMP检查验收管理规定;负责兽药GMP检查员队伍建设和监督管理工作,负责国际兽药贸易中GMP互认工作。 …     

鸡败血支原体垂直传播模式及其阻断方法

以国际标准强毒Ｒ株人工感染非免疫产蛋鸡,定时扑杀,分别从鼻窦、眶下孔、气管、肺、气囊、卵巢和输卵管分离ＭＧ,并收集感染鸡所产蛋分离ＭＧ。结果表明,人工感染４８小时后上、下呼吸道及肺已被全面感染,９６小时气囊已被感染,１２０小时输卵管已能分离到ＭＧ,卵巢始终分离不到ＭＧ。人工感染鸡自１４４小时便能在其所产蛋中分离出ＭＧ。药物治疗能在７２小时内消除感染,油乳剂苗则需２４天后逐渐降低蛋内ＭＧ分离率,药物卵内注射、种蛋药浴、高温处理均能杀死卵内ＭＧ,但以研制的种蛋浸泡剂药浴效果为最好。     

Effects of size of ingestively masticated fragments of plant tissues on kinetics of digestion of NDF

Ingestively masticated fragments were collected and sized via sieving. Different sizes of esophageal masticate and ruminal digesta fragments, and ground fragments of larger masticated pieces were incubated in vitro, and undigested NDF remaining at intervals of up to 168 h of incubation was determined. The ruminal age-dependent time delay (tau) for onset of digestion of NDF was positively correlated (P < 0.004) with the mean sieve aperture estimated to retain 50% of the fragments between successive sieve apertures (MRA). Degradation rate of potentially degradable NDF (PDF) and level of indigestible NDF were not related (P > 0.10) to MRA of masticated and ground fragments. Estimates of tau were positively related to MRA, with slopes of bermudagrass < corn silage < ruminal fragments of corn silage. It was concluded that fragment size-, and consequently, ruminal age-dependent onset of PDF degradation of a mixture of different fragment sizes results in an age-dependent rate of degradation of the more rapidly degrading of two subentities of PDF. Models are proposed that assume a tau before onset of simultaneous degradation of PDF from two pools characterized as having gamma-modeled age-dependency and age-constant rates. The ruminal age-dependent pool seems to be associated with the faster-degrading pool, and its rate parameter increases with range in MRA in the population of fragments. Conceptually, the ruminal age-dependent rate parameter for PDF degradation seems to represent a composite of several effects: 1) effects of the size-dependent tau; 2) range in MRA of the population of ingestively masticated fragments; and 3) subentities of PDF that degrade via more rapid age-dependent rates compared with subentities of PDF that degrade via age-constant rates. The estimated fractional rates of ruminative comminution of ingestively masticated fragments (0.060 to 0.075/h) were of a magnitude similar to the mean fractional rates of PDF digestion (0.030 to 0.085/h), which implies that ruminative comminution may be first-limiting to fractional rate of PDF digestion. The in vivo roles of ingestive and ruminative mastication of fragments on PDF degradation must be considered in any kinetic system for estimating PDF digestion in the rumen. These results and others in the literature suggest that the rate of surface area exposure rather than intrinsic chemical attributes of PDF may be first-limiting to degradation rate of PDF in vivo.