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AJ DART  BA DOWLING 《Australian veterinary journal》2004,82(5):286-287

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Quarantine requirements for the importation of black rhinoceros from Zimbabwe into Australia     

KA DOYLE  BA ROBINSON  DW WILSON 《Australian veterinary journal》1995,72(10):364-368

SUMMARY The proposal by the Zoological Parks Board of New South Wales to import 10 southern black rhinoceros (Diceros bicornis) from Zimbabwe as part of an international project for conservation of the species presented the Australian Quarantine and Inspection Service (AQIS) with a unique challenge. This importation is, at least in the modern era, the first importation of live herbivores from the African continent. Many of the serious animal diseases in the world are endemic in parts of Africa. Knowledge of which of these diseases infect wild species and may be transmitted from the wild species to domesticated species, is limited. This paper describes the strategies adopted by AQIS to facilitate the importation of rhinoceros while maintaining protection of Australian consumers, rural industries, domestic livestock and fauna against the entry and spread of unwanted pests and diseases.  相似文献   

USE OF ULTRASOUND-GUIDED FINE-NEEDLE ASPIRATION BIOPSY AND AUTOMATED CORE BIOPSY FOR THE DIAGNOSIS OF GASTROINTESTINAL DISEASES IN SMALL ANIMALS     

Mitchell A.  Crystal  DVM  Dominique G.  Penninck  DVM  Michael E.  Matz  DVM  Susan H.  Pearson  BA  Greg O.  Freden  DVM  Richard M.  Jakowski  DVM 《Veterinary radiology & ultrasound》1993,34(6):438-444

The purpose of this study was to evaluate the usefulness of ultrasound-guided fine-needle aspiration biopsy and core biopsy in the diagnosis of infiltrative gastrointestinal diseases. Six dogs and seven cats with clinical signs of gastrointestinal disease underwent ultrasonography and intestinal lesions were identified. One or more ultrasound-guided fine-needle aspiration biopsy and/or core biopsy procedures were performed in each patient. Each patient also underwent one of the following additional procedures for comparison of results: 1) surgery (n=4), 2) endoscopy (n=2), 3) post mortem exam (n=3), and, 4) for lymphoma diagnosed with ultrasound-guided procedures, response to chemotherapy (n=4). Correct diagnoses were obtained in nine of the 13 patients, incorrect diagnoses in two of the 13 patients, and inconclusive diagnoses in two of the thirteen patients. Of the 16 total ultrasound-guided procedures performed, ten were confirmed as correct, three as incorrect, and three were non-diagnostic. Intestinal lesions with bowel wall thickness greater than 2.0 cm had a higher percentage of correct diagnoses than lesions of lesser wall thickness. Gastric lesions had a higher percentage of correct diagnoses than small and large intestinal lesions. Malignant lesions had a higher percentage of correct diagnoses than benign lesions. There were no complications. Ultrasound-guided gastrointestinal fine-needle aspiration biopsy and core biopsy appears to be a safe, accurate, and rapid procedure for use in the diagnosis of infiltrative gastrointestinal disease.  相似文献   

Topographic forcing of the atmosphere and a rapid change in the length of day     

Salstein DA  Rosen RD 《Science (New York, N.Y.)》1994,264(5157):407-409

During June to September 1992, a special campaign was held to measure rapid changes in Earth's rotation rate and to relate these measurements to variations in the atmosphere's angular momentum, due principally to changes in zonal winds. A strong rise in both length of day and atmospheric momentum during a particular 6-day subperiod is documented, and this example of a short-period perturbation is identified with a specific regional coupling mechanism. Mountain torques within the southern tropics appear to account for most of the rapid momentum transfer between the solid Earth and atmosphere, with those across South America especially important.  相似文献   

Material in the middle ear of dogs having magnetic resonance imaging for investigation of neurologic signs     

M. C. Owen  BVSC    C. R. Lamb  MA  VETMB    D. Lu  BVET. MED.  MVM    M. P. Targett  BA  VETMB  PHD 《Veterinary radiology & ultrasound》2004,45(2):149-155

The aim of this study was to determine the prevalence and potential significance of finding material in the middle ear of dogs having magnetic resonance (MR) imaging. Of 466 MR studies reviewed, an increased signal was identified in the tympanic bulla in 32 (7%) dogs. Cavalier King Charles spaniels, Cocker spaniels, Bulldogs, and Boxers were over-represented compared to the population of dogs having MR imaging. Five (16%) dogs had definite otitis media and one (3%) had a meningioma invading the middle ear. Of the remaining dogs, 13 (41%) had possible otitis media and 13 (41%) had neurologic conditions apparently unrelated to otitis media. The most common appearance of material in the middle ear was isointense in T1-weighted images and hyperintense in T2-weighted images. There was no apparent correlation between the signal characteristics of the material and the diagnosis. Enhanced signal after gadolinium administration was observed affecting the lining of the bulla in dogs with otitis media and in dogs with unrelated neurologic conditions. In dogs without clinical signs of otitis media, finding an increased signal in the middle ear during MR imaging may reflect subclinical otitis media or fluid accumulation unrelated to inflammation. Brachycephalic dogs may be predisposed to this condition.  相似文献   

松嫩平原优势种羊草与其主要伴生种芦苇空间分布格局分析   总被引：6，自引：0，他引：6  

巴雷  王德利  高莹 《草业学报》2005,14(5):111-116

芦苇是松嫩草地优势种羊草的主要伴生种,两者常常形成物种组成比较单一的混生群落或者与其他物种组成羊草 杂类草群落.选择羊草 芦苇混生群落,羊草群落和芦苇群落的交错区进行羊草、芦苇单物种格局分析.结果表明,1)混生群落和交错区中,羊草和芦苇均是以集聚分布的形式存在;2)羊草在混生群落中的格局强度小于交错区中的格局强度,芦苇在2种类型群落中的格局强度没有显著差异;3)除了考虑物种的生物学特性以外,混生群落种内、种间竞争也是影响羊草集聚分布和格局强度的主要因素,交错区中,环境异质性和种间竞争是影响集聚分布和格局强度的重要因子;4)芦苇在混生群落和交错区中格局强度没有明显差异,由此可以判定芦苇的空间分布格局形成主要受植物本身生物学特性的影响.  相似文献   

Best practice recommendations for prehospital veterinary care of dogs and cats          下载免费PDF全文

Rita M. Hanel DVM  DACVIM  DACVECC  Lee Palmer DVM  MS  DACVECC  NREMT‐T  WEMT  CCRP  Janice Baker DVM  DACVPM  Jo‐Anne Brenner BA  EMT‐I  EMT‐T  David Dorman DVM  PhD  DABVT  John C. Gicking DVM  DACVECC  Brian Gilger DVM  MS  DACVO  DABT  Cynthia M. Otto DVM  PhD  DACVECC  DACVSMR  Elizabeth Rozanski DVM  DACVECC  DACVIM  Brian Trumpatori DVM 《Journal of Veterinary Emergency and Critical Care》2016,26(2):166-233

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Holo-analysis of the efficacy of Bio-Mos in turkey nutrition     

Rosen GD 《British poultry science》2007,48(1):27-32

1. This holo-analysis of the effects in turkey nutrition of Bio-Mos(R) (BM) (Alltech Inc., Nicholasville, KY) aims to elaborate comprehensive empirical models for the assessment of responses under practical conditions and for its comparison with other potential pronutrient antibiotic replacements. 2. The data bank utilised was obtained from 54 publications on BM in turkeys from a total collection of 57 papers (1995-2003) on the use of saccharide products as turkey feed additives. These yielded 33 start-to-finish negatively-controlled feed intake, liveweight gain and feed conversion and 24 mortality effects in the USA, France and Poland, using 12,723 birds with a mean of 212 birds per treatment. 3. The feed, gain, conversion and mortality responses to BM compared with the relevant negative controls average -243 g, 57.0 g, -0.0156 and 1.29% with coefficients of variation of 451, 451, 705 and 426%, respectively. Beneficial gain, conversion and mortality effects were found in 52, 52 (33% jointly) and 52% of the tests, respectively. 4. Holo-analytical multiple regression models comparing conventional Por=0.10 out and less stringent Por=0.34 out partial regression coefficient standards, with and without>or=1.5xroot mean square error outliers, contain significant independent variables for negative control performance, duration, year of test, not-USA test, discontinuous dosage, cage housing, mash feed, feed antibiotic, feed anticoccidial, disease condition and high control (>10%) mortality. 5. These developmental models indicate fruitful pathways for future developments with an accent on the definition of specific dose-response relationships, whilst also confirming the value and future potential for BM in turkey production in praxis.  相似文献   

我国西部地区水电开发问题探讨   总被引：1，自引：0，他引：1  

闫毅志  把多铎 《中国农村水利水电》2004,(5):75-77

水能资源是我国西部地区的优势资源，由于历史和政策的原因，开发利用程度相对较低，资源优势没有形成产业优势。在分析西部水能资源分布特点和开发现状的基础上，结合西部大开发和西电东送战略，提出目前水电产业存在的市场、政策和资金方面问题，探讨了加快西部水电开发的对策和建议。  相似文献   

山羊痘灭活疫苗免疫保护试验     

赵利平  魏学峰  陈九连  刘棋  郭建刚  巴特  苏丽琼  王家福 《中国兽药杂志》2005,39(8):21-23

将山羊痘GT4-STV42-56种毒在犊牛睾丸细胞上繁殖,收获毒液,用0.1%甲醛溶液灭活,加适量206佐剂,制成山羊痘油佐剂灭活疫苗.将疫苗以不同剂量皮下免疫接种不同种群的山羊.免疫后21 d,用AV40株强毒进行攻毒保护试验.结果显示,免疫剂量达0.5 mL时,疫苗对内蒙绒山羊的保护率为100%,对广西黑山羊的保护率为80%.实验表明,山羊痘灭活疫苗对山羊的免疫效果确实可靠.  相似文献