infectious bursal disease gumboro

... qua trứng, phôi virus Gumboro - Gà từ ngày tuổi nhiễm virus Gumboro virus bám vào vỏ trứng qua dụng cụ chăn nuôi, chuồng trại không sát trùng mức - Tuổi mẫn cảm gà virus Gumboro từ ngày tuổi đến ... rõ rệt Mức độ nghiêm trọng bệnh tùy thuộc vào độc lực chủng virus gây bệnh Đối với gà thịt, bệnh Gumboro thường xảy lứa tuổi - tuần Còn gà đẻ trứng bệnh phát lứa tuổi muộn hơnBệnh thường phát đột...

Ngày tải lên: 20/06/2014, 09:20

Ngày tải lên: 07/08/2014, 18:21

Ngày tải lên: 07/08/2014, 18:21

... organ in infectious bursal disease of chickens Infect Immun 1980, 27:364-367 11 Kim IJ, You SK, Kim H, Yeh HY, Sharma JM: Characteristics of bursal T lymphocytes induced by infectious bursal disease ... by very virulent infectious bursal disease virus Avian Pathol 2005, 34:4-14 13 Rautenschlein S, Yeh HY, Njenga MK, Sharma JM: Role of intrabursal T cells in infectious bursal disease virus (IBDV) ... pathogenicity of five serotype infectious bursal disease viruses in chickens Avian Dis 1988, 32:757-759 Mundt E, Kollner B, Kretzschmar D: VP5 of infectious bursal disease virus is not essential...

Ngày tải lên: 11/08/2014, 21:21

... Netherlands Năm 1970, Hitchner đề nghị tên thức cho bệnh Infectious Bursal Disease (IBD) hay gọi Gumboro Virus gây bệnh Infectious Bursal Disease Virus (IBDV) III.2.3 Cơ chế IBDV công chủ yếu vào ... Semina                                                       Ch n đoán virus Gumboro b ng k  thu t gen  III TỔNG QUAN III.1 Virus Gumboro (IBDV)   Virus Gumboro hay gọi Infectious Bursal Disease Virus (IBDV) IBDV có dạng hình khối, nhiều góc cạnh, kích thước: ... virus môi trường nhiệt độ cao, với số hóa chất sát trùng III.2 Bệnh Gumboro Bệnh Gumboro bệnh cấp tính gà, virus gây bệnh Gumboro (IBDV) phá huỷ túi Fabracius, làm giảm khả miễn dịch gà  Animated...

Ngày tải lên: 28/03/2014, 15:20

... trichloroethylene intoxication, and concurrent infection with infectious bursal disease (IBD) virus as well as adenovirus strains, some strains of Marek's Disease (MD) virus, and osteopetrosis in the etiology ... 1991, 20, 349-355 14 Inoue M, Fukuda M, Miyano K Thymic lesions in chicken infected with infectious bursal disease virus Avian Dis 1994, 38, 839-846 15 Jeurissen SH, Pol JM, de Boer GF Transient ... laboratories References Bülow VV Avian infectious anemia and related syndromes caused by chicken anemia virus Crit Rev Poult Biol 1991, 3, 1-17 Bülow VV, Sebat KA Chicken infectious anemia In: Calnek BW,...

Ngày tải lên: 07/08/2014, 20:23

... the Spread of Diseases through Blood Contact • Examples of How Some Childhood Infectious Diseases Are Spread Prevention of Infectious Disease Section Understanding the Spread of Disease Rationale: ... parasites are called infectious diseases Communicable diseases are those illnesses that can be spread from one person to another either directly or indirectly Infectious diseases that commonly ... blood except their own Prevention of Infectious Disease 13 Handout #1.3 Section 1: Understanding the Spread of Disease Examples of How Some Childhood Infectious Diseases Are Spread Through Air or...

Ngày tải lên: 12/02/2014, 12:20

... but all infectious diseases and mass-casualty dangers” (White House, 2002, pp 6–7) Infectious Disease, Security, and Disease Reporting Given the potential consequences of infectious disease on ... link between infectious disease and national security Obviously, the United States is concerned about infectious diseases crossing its borders, but the global toll of infectious disease also ... the toll and challenges of infectious diseases; the second section describes U.S and global responses in recent years Infectious Disease Threats The Toll of Infectious Diseases Approximately a...

Ngày tải lên: 17/02/2014, 22:20

... their childhood immunizations were more likely to be malnourished and anemic, have higher infectious disease morbidity, and were more likely to come from a family in which there was already a ... possibilities, including previous siblings not receiving vaccines and higher rates of malnutrition and infectious disease morbidity clustered in the same families Further studies will be needed to examine ... who are missed by childhood immunizations are more likely to be malnourished, anemic, with higher infectious morbidity, and to come from families with higher infant and under five child mortality...

Ngày tải lên: 05/03/2014, 12:20

... ECOSYSTEMS, AND INFECTIOUS DISEASE Weather and Climate: Background Concepts, 20 Infectious Disease Dynamics: Background Concepts, 28 Weather/Climate Influences on Infectious Diseases: An Overview, ... particularly the emergence and transmission of infectious disease agents Simple logic suggests that climate can affect infectious disease patterns because disease agents (viruses, bacteria, and other ... and infectious diseases, and in turn, are able to create effective disease early warning systems, there will always be some element of unpredictability in climate variations and infectious disease...

Ngày tải lên: 06/03/2014, 18:21

... Evolution of Infectious Disease STEVEN A FRANK Princeton University Press Princeton and Oxford This is a full PDF copy of: Frank, S A 2002 Immunology and Evolution of Infectious Disease Princeton ... Congress Cataloging-in-Publication Data Frank, Steven A., 1957– Immunology and Evolution of Infectious Disease / Steven A Frank p cm Includes bibliographic references and index ISBN 0–691–09594–9 ... http://stevefrank.org/ provide information and updates for this book Immunology and Evolution of Infectious Disease Introduction Multidisciplinary has become the watchword of modern biology Surely,...

Ngày tải lên: 07/03/2014, 05:20

... revision of the Infectious Disease Control Guide for School Staff: Washington State Department of Health: Community and Family Health Division Maternal and Child Health Infectious Disease and Reproductive ... Appendix VI: Washington State School Directors’ Associations, Policy 3414 Infectious Disease …………………………………… Infectious Disease Control Guide for School Staff v 143 April 2004 Appendix VII: Chapter ... “nuisance” diseases in schools Infectious Disease Control Guide for School Staff April 2004 Exclusion from School The local health officer is the primary resource in the identification and control of infectious...

Ngày tải lên: 22/03/2014, 09:20

... transmission of infectious disease to the staff Child care staff acquire infectious diseases at a higher rate than adults who have less contact with children because of their exposure to the diseases ... Recognizing & Preventing Infectious Diseases pg of 16 D Sample Agenda (3 hours) Beyond the Fundamentals: Healthy and Safe EnvironmentsRecognizing and Preventing Infectious Diseases Time Content ... Safety in the Child Care Setting: Prevention of Infectious Diseases.http://www.ucsfchildcarehealth.org/pdfs/Curricula/idc2book pdf Managing Infectious Diseases in Early Education and Child Care Settings,...

Ngày tải lên: 22/03/2014, 10:20

... water-related infectious disease This page intentionally left blank Water Quality Guidelines, Standards and Health: Assessment of risk and risk management for water-related infectious disease Edited ... little disease and that infectious disease in particular was of largely historical interest The experience with a single recently recognised pathogen significantly associated with water borne disease ... against other diseases at the time) All present descriptions of tolerable disease burden in relation to water are expressed in terms of specific health outcomes (such as cancer, diarrhoeal disease, ...

Ngày tải lên: 28/03/2014, 23:20

... West Nile virus Table Emerging Infectious Disease Pathogens, 1972-1999 30 Insight and Control of Infectious Disease in Global Scenario An emerging infectious disease may be defined as one that ... have been performed for investigation of their role in disease risk 10 Insight and Control of Infectious Disease in Global Scenario Infectious disease has profound impact on human evolution Tuberculosis ... effect on the numbers of infectious people within a population as the reproduction rate of the infectious disease pathogen is varied 34 Insight and Control of Infectious Disease in Global Scenario...

Ngày tải lên: 30/03/2014, 22:20

Ngày tải lên: 07/08/2014, 15:20

... spray of droplets (possibly infectious) is delivered with the abuse $ Pigs infected with foot and m o u t h disease virus excrete in their b r e a t h 100 million infectious units each day With ... miners, and leptospirosis from cattle continues to cause a mild disease in f a r m e r s and cowmen 59 60 Mims' Pathogenesis of Infectious Disease of regular social life In modern societies saliva ... transmitted diseases, which with respiratory infections are now the commonest communicable diseases in the world Their incidence is rising The four most frequent sexually transmitted diseases in...

Ngày tải lên: 10/08/2014, 16:22

... some 119 120 Mims" Pathogenesis of Infectious Disease spread is common Certain bacteria are capable of dramatic spread through tissues causing rapidly fatal disease as, for example, necrotising ... and a longer polysaccharide chain makes binding less effective 93 94 Mires" Pathogenesis of Infectious Disease Fig 4.4 Comparison of Gram-positive and Gram-negative bacterial cell walls Pili and ... not phagocytosed unless antibody is present Macrophages are also 95 96 Mims" Pathogenesis of Infectious Disease secretory cells, and liberate about 60 different products ranging from lysozyme to...

Ngày tải lên: 10/08/2014, 16:23

... secretions from the respiratory tract are infectious a few days before the skin rash appears and the disease becomes 141 Mims' Pathogenesis of Infectious Disease 142 recognisable Much less is known ... infection without producing overt disease, i.e exist in a nonpathogenic form 185 186 Mires' Pathogenesis of Infectious Disease strain leads to virus growth and disease in the absence of an immune ... Stillbirths, CNS disease Abortion Cerebellar hypoplasia Wildebeest Foetus unharmed Man Man Sheep, cattle Stillbirth, malformations Meningoencephalitis Abortion Man Stillbirth, CNS disease Viruses...

Ngày tải lên: 10/08/2014, 16:23