共查询到20条相似文献，搜索用时 62 毫秒
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新疆农二师23团幼儿园养殖场的3头奶牛，近期出现两侧结膜潮红、充血，眼睑肿胀，流泪，有脓性分泌物，有一层薄薄的白色云翳，光感较差，确诊为结膜角膜炎。 相似文献
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某动物园饲养的野驴，２００１年４月中旬一天夜间突然死亡，死前未注意到有任何临诊症状。因本园与野驴毗邻饲养的麋鹿（俗称四不像），１９９９年曾有过魏氏梭菌病史，故此次野驴急死，疑为罹患此病。要求河北省畜牧兽医站化验室协助确诊死因。１剖检病变肺脏充血并于尖叶部有较大出血斑、点，肺水肿，间质增宽。肺门淋巴结肿胀，切面多汁。肺泡及气管内有泡沫状液体，咽喉部有急性炎症，充血、出血。心冠脂肪出血，心包液增多。肝脏有小点坏死，小肠尤其是空肠及回肠黏膜充血、出血、脱落，肠内容物粥状血样。２实验室检查２．１肠毒素检… 相似文献
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２００１年３月１５日，我市某种鸽场部分种鸽发生以睑部肿胀、流鼻涕、甩头、鼻窦等为主要特征的传染病。根据鸽的发病情况、临诊特征、实验室检查，确诊为鸽传染性鼻炎。一．临床症状鸽病情轻重不等，重病鸽呈现精神萎顿，食欲减退、消瘦，有的拉稀，流稀鼻液，后渐变浓，有的出现甩头现象。眼睑肿胀，头如猫头鹰状，眼鼻有卡他性症状表现，少部分鸽炎症蔓延到气管、支气管，使呼吸发生困难。二．剖解变化剖解典型症状的鸽１１只，主要病变为鼻腔和鼻粘膜，呈卡他性炎症。粘膜充血肿胀，表面有大量粘液，窦内有渗出物凝块，有的有干酪样坏… 相似文献
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1发病情况1993年8月23日下午，某养猪场120头猪中先有5头突然发病，倒地不起，经该场兽医员诊治，未见好转，3小时后已有50头猪发病。富主介绍：放存的氟乙酸胺保管不当，混入饮水池中，经病猪发病症状等综合分析，确诊为氯乙酸胺中毒。2临床症状病猪呕吐，狂奔乱跳，转圈。倒地后全身痉挛，四肢抽搐，心跳、呼吸加快。眼结膜充血，瞳孔散大，症状呈间歇性发作，最急者半天死亡，急者1～2天死亡。3病理创检病猪尸但不全，血凝不良，口腔内残留大量白色泡沫，胃痛粘膜充血易剥落。肝脏郁血，肿胀、心外膜有针点状出血，气管及支气管内存有大… 相似文献
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2002年11月金湖县涂沟镇新准村王某饲养种鹅800只，在稻茬田放牧中发现部分种鹅眼黏膜充血、流泪、角膜与瞬膜浑浊、充血，甚至有化脓溃疡等症状，眼睑肿胀或紧闭，有的一例或双侧失明，不能寻食，严重的引起消瘦而死亡。 相似文献
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1 发情鉴定发情初期 ,母牛食欲减退 ,爱鸣叫 ,频频排尿 ,兴奋。阴道开始流粘液、粘膜微充血、显淡红色 ,子宫颈轻度充血微肿 ,粘液稀薄透明。发情旺盛期 ,外阴户肿胀明显 ,不时举头张望 ,拱背举尾 ,接受公牛爬跨 ,阴道粘膜潮红有光泽 ,宫颈充血发亮、肿胀而开 ,粘液量大 ,牵缕性强 ,液质透明 ,无粘性。发情后期 ,外阴户肿胀消褪 ,浓稠粘液在外阴户周围或尾根上呈痂皮 ,阴道粘膜充血度消褪 ,呈暗红色 ,粘液少而稠 ,呈半透明或乳白色 ,牵缕性不强 ,有粘性 ,宫颈肿胀及颈口开度已收缩。黄牛常混有血丝流出。排卵期 ,性欲全消失 ,公牛不跟随 ,… 相似文献
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杨庆祥 《上海畜牧兽医通讯》1982,(3)
每年夏秋,我们在搞肉品卫生监督管理工作时,常见猪喂赤霉病麦和霉玉米急性中毒事件,现将有关情况介绍如下: 1.猪的麦类赤霉病中毒主要症状表现在消化系统及神经系统,呕吐、拒食、落膘。病理解剖见胃底粘膜充血、出血、淋巴结出血肿大、盲结肠充血、直肠粘膜小点出血、肝、脾有少量小点出血、肾轻度肿胀充血出血、膀胱粘膜充血出血、左心室内膜点片状出血。组织学检查:心、胃、肝实质细胞变性、特别是肝细胞肿胀、甚至萎缩。 相似文献
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１９９９年８月，曼听公园送检刚死亡的孔雀２只和病情十分严重的孔雀１只，根据临床症状，病理解剖，实验室诊断，确诊为孔雀毛霉菌病，现报道如下：１病历和临床症状 多年以来曼听公园类似该症状死亡的孔雀较多，而且雨季发病较多，死亡严重，每年约３０～５０只。发病初期，病孔雀表现为精神不振，食欲下降或拒食，羽毛蓬乱，两翅下垂，反应淡漠，嗜睡。伴有轻微呼吸道症状，长时间下痢。有些眼结膜充血，肿胀，眼睑肿胀粘连，并有黄色干酪样物。最终表现为生长缓慢，发育不良，羽毛松乱无光泽，逐渐消瘦而死亡。病程多在１个月以上，最… 相似文献
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魏静 《四川畜牧兽医学院学报》2009,(4):28-32
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。 相似文献
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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。 相似文献
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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. 相似文献
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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。 相似文献
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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. 相似文献