共查询到20条相似文献，搜索用时 62 毫秒
1.
目前畜禽主要疫病的危害及应采取的对策 总被引：1，自引：0，他引：1
现代化畜牧业的发展必须高度重视动物疫病的防控工作．加快兽医管理体制的改革和动物疫病防控体系建设，落实各项防疫措施，增强防控能力与水平，促进畜牧业的健康发展。 相似文献
2.
王金帮 《畜牧兽医科技信息》2007,(1):30-31
现代化畜牧业的发展必须高度重视动物疫病的防控工作,加快兽医管理体制的改革和动物疫病防控体系建设,落实各项防疫措施,增强防控能力与水平,促进畜牧业的健康发展.…… 相似文献
3.
《中国畜牧兽医文摘》2012,(8)
<正>动物疫病已经成为制约畜牧业健康发展的瓶颈,特别是随着全球环境和气候的变化,高致病性禽流感、高致病性蓝耳病等动物疫病频发,使得动物疫病防控工作面临着前所未有的压力。加强动物疫病的源头防控是促进畜牧业持续健康发展的关键。做好基层动物防疫工作可保障畜牧业可持续发展。 相似文献
4.
重大动物疫病在全球呈蔓延流行趋势,给畜牧业造成毁灭性打击,给人民群众造成严重威胁,做好动物疫病防控工作,有效地防治重大动物疫病促进畜牧业健康发展已经成为畜牧业发展的当务之急,本文将对当前动物疾病防控工作中存在的问题做一分析并提出相关的建议. 相似文献
5.
6.
重大动物疫病防控物资是重大动物疫病防控的物质保障,重大动物疫病防控物资的有效管理,是我们有效防控重大动物疫病的必要条件,是促进畜牧业持续健康发展、维护国家公共卫生安全的重要保障.近几年,我市在重大动物疫病防控物资管理方面做了大量富有成效的工作,笔者作为重大动物疫病防控物资管理的参与者,就基层重大动物疫病防控物资管理谈几点认识. 相似文献
7.
随着畜牧业的快速发展,一些重大动物疫病和人畜共患病不断出现,防控难度不断增加,动物疫病成为影响和制约畜牧业生产的最大障碍.针对目前梨树县动物疫病防控工作的现状、存在问题,就构建重大动物疫病防控长效机制进行探讨.
梨树县是畜牧业大县,2011年全市年出栏生猪435万头、家禽4088.3万羽,养殖业产值达100亿元,是农村经济的支柱产业和农民增收的重要途径,因此,做好动物疫病的防控工作,对于加快全县畜牧养殖业发展显得尤为重要.但是,从当前的情况来看,防控重大动物疫病的形势依然严峻,为切实加强重大动物疫病防控工作,促进畜牧业的持续健康稳定发展,确保人民身体健康,必须构建重大动物疫病防控工作长效机制.现就梨树县建立长效的重大动物疫病防控工作机制提几点建议,供参考. 相似文献
8.
动物防疫工作是兽医公共卫生工作的重要组成部分,也是畜牧业健康稳定发展和农民增收的一项基础性工作。近年来,兰溪市有关部门十分重视动物疫病防控工作和动物防疫体系建设,有效地改善了动物防疫条件,提高了对动物疫病的防控能力,促进了现代畜牧业的发展。 相似文献
9.
10.
11.
12.
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
13.
14.
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
15.
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
16.
17.
18.
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
19.
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. 相似文献
20.
Billinghurst RC Brama PA van Weeren PR Knowlton MS McIlwraith CW 《American journal of veterinary research》2004,65(2):143-150
OBJECTIVE: To determine whether serum concentrations of biomarkers of skeletal metabolism can, in conjunction with radiographic evaluation, indicate severity of osteochondrosis in developing horses. ANIMALS: 43 Dutch Warmblood foals with varying severity of osteochondrosis. PROCEDURE: 24 foals were monitored for 5 months and 19 foals were monitored for 11 months. Monthly radiographs of femoropatellar-femorotibial and tibio-tarsal joints were graded for osteochondral abnormalities. Serial blood samples were assayed for 8 cartilage and bone biomarkers. At the end of the monitoring period, foals were examined for macroscopic osteochondrosis lesions. RESULTS: Temporal relationships were evident between certain serum biomarkers and osteochondrosis severity in foals during their first year. Biomarkers of collagen degradation (collagenase-generated neoepitopes of type-II collagen fragments, type-I and -II collagen fragments [COL2-3/4C(short)], and cross-linked telopeptide fragments of type-I collagen) and bone mineralization (osteocalcin) were positive indicators of osteochondrosis severity at 5 months of age. In foals with lesions at 11 months of age, osteochondrosis severity correlated negatively with COL2-3/4C(short) and osteocalcin and positively with C-propeptide of type-II procollagen (CPII), a collagen synthesis marker. Radiographic grading of osteochondrosis lesions significantly correlated with macroscopic osteochondrosis severity score at both ages and was strongest when combined with osteocalcin at 5 months and CPII at 11 months. CONCLUSIONS AND CLINICAL RELEVANCE: The ability of serum biomarkers to indicate osteochondrosis severity appears to depend on stage of disease and is strengthened with radiography. In older foals with more permanent lesions, osteochondrosis severity is significantly related to biomarker concentrations of decreased bone formation and increased cartilage synthesis. 相似文献