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犬消化道异物的诊断和治疗 总被引：1，自引：0，他引：1
犬消化道异物是指某些不能或不易被消化的物体进入并存留于消化道之中,引起局部损伤、炎症乃至机械性阻塞,遂发生程度不同的生理机能紊乱。根据我们对临床消化道异物25例的统计,肠内异物10例(40％),胃内异物7例(28％),食道异物3例(12％),咽腔异物3例,口腔异物2例(8％)。 相似文献
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犬胃内异物是犬误食难以消化的异物,如大的骨头、木块、石块、塑料、金属物等,这些物体停留在胃内,造成犬的消化功能紊乱,引起急性或慢性胃炎。2009年3月,本站收治一例胃内有异物的病犬,现报道如下。 相似文献
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1发病机理在病因的作用下，食道阻塞可发生于食管的任何部位，但犬常发生于食管的胸腔入口部和心底部。因阻塞物的形状、大小不同，可发生食管不完全阻塞或完全阻塞。当出现不完全阻塞时，饮水和流体食物还可咽下，胃内的气体也能排出。当食管发生完全阻塞时，任何食物和饮水都不能咽下，同时胃内的气体也不能通过食管排出。胃内积聚的气体将逐渐增多，导致胃体积逐渐增大。犬因阻塞物的刺激，引起食管的肌肉发生痉挛性收缩。病犬不断表现出吞咽动作，精神紧张，神情苦闷。阻塞物越接近贲门，食管的痉挛收缩表现得越强烈，病犬紧张程度越明显，持续时间越长。因食道的逆蠕动，而将蓄积于食道中的唾液从病犬的口、鼻排出，导致膨胀暂时消失。因阻塞物的作用，大量唾液不能咽到胃内，而滞留于阻塞物上部，则颈部食道显著膨大。这种逆蠕动在食道阻塞中具有明显特征性，因食道阻塞而引发误咽，可引起异物性肺炎，而导致死亡。若不能及时将阻塞物清除，因阻塞物的压迫，会造成不同程度的呼吸困难，严重可引起病犬窒息，而造成不良后果。同时阻塞物压迫食管，可引起犬食管黏膜发炎、坏死、穿孔等变化。 相似文献
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犬因异嗜可造成胃内异物,或者发生肠道异物。1987年9月24日,我们手术治疗某公安局警犬,在胃内取出线手套一只、帆布鞋垫一只,在其肠管内取出长约两公尺细线绳一根,纱布包裹着的小石块一个。手术取出全部异物后,治疗出院,报道如下。 相似文献
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20 0 1年 8月收治一胃内异物病犬。该犬系海口市龙舌坡一户主饲养的花色西施犬 ,1岁多 ,5 7ｋｇ。据犬主反映 ,早上出门后回来发现该犬打翻一盒订书钉 ,但里边的订书钉仅剩几枚 ,怀疑被该犬吞食。中午喂食该犬不吃 ,精神稍差 ,不愿运动 ,觉得有问题 ,下午前来就诊。1 临床检查该犬腹壁紧张 ,触诊敏感。为确定是否吞食订书钉 ,对其进行Ｘ光拍片。Ｘ光片可见胃内有一团絮状发亮物 ,胃内其他部位也有散在订书钉。食道、肠道等均未见异物。确诊为胃内异物后 ,决定采取胃切开手术。2 手术治疗846合剂与氯胺酮按 3 :1混合液共 0 5ｍＬ肌注 ,全… 相似文献
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犬类活泼好动喜戏 ,啃咬性强 ,一不小心常吞食各种异物 ,如橡皮块、玻璃球、钮扣、钥匙、砖石、线团、铁钉、鱼钩等 ,这些异物长期滞留于胃内 ,不能被胃液消化 ,既不易通过呕吐也不能通过肠道排出体外 ,但会使胃粘膜遭受炎性损伤并影响胃的功能 ,严重的引起胃溃疡或出血穿孔从而继发腹膜炎。据临诊统计 ,临床引起胃穿孔乃至背穿孔的报道并不多。现将我站接诊的一例狼犬因吞食螺丝刀引起胃穿孔并刺破背部皮肤的病例报道如下 :1 发病情况 2 0 0 1年 3月 2 1日 ,接诊常州市郊永红乡庄某一条约 4 0ｋｇ狼犬。因常喂剩菜剩饭 ,又疏于对犬的管理… 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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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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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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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