Navigation Links
Migratory birds, domestic poultry and avian influenza
Date:4/5/2011

nfection by using a model to trace their path along flyways. "Patches" represent 4 locations: breeding and wintering sites, and layovers on outgoing and return routes where birds stop to rest and feed. The migration flyway is expressed mathematically by a one-dimensional closed curve starting and ending at the breeding patch. Reaction-advection equations describe the migration of birds along this flight path.

The quantity of birds susceptible to infection is calculated by determining the density of susceptible birds along the flying route. The time of journey for the susceptible birds is the distance between each patch divided by their mean flight velocity. In-flight mortalities are also accounted for in the equation. Assuming that migratory birds can only contract the virus while in patches (and not while in transit), the probability of infection of a bird is determined based on its contact rate with infected migratory birds and infected poultry, and time spent in a patch. The time of stay depends on several factors, such as the rate at which birds enter the patch, length and duration of their journey, energy consumed on their incoming flight, and the nourishment required to proceed.

The model factors in the observation that birds encounter very different conditions at different stages on their migration route. In reality, migratory birds have more than a single stopover in their fall and spring routes; these are lumped together as one each for the sake of simplicity. The population of poultry on each patch is assumed to be a constant, as is the length of the flyway and average flight velocity.

Using their model, the authors analyze the dynamics of migratory Common Teals and their interaction with farmed poultry in the Poyang Lake area of China. Their simulations demonstrate that the arrival of migratory birds in winter can introduce avian influenza to poultry in disease-free periods. Once the flu becomes endemic in the wintering loca
'/>"/>

Contact: Karthika Muthukumaraswamy
karthika@siam.org
267-350-6383
Society for Industrial and Applied Mathematics
Source:Eurekalert

Page: 1 2 3

Related medicine news :

1. NFL Upsets Could Trigger Domestic Violence
2. Study finds reports of domestic violence rise 10 percent after NFL upsets
3. Domestic Abuse Often Escapes Notice of ER Staff: Study
4. 3 in 4 domestic violence victims go unidentified in emergency rooms, Penn study shows
5. Prayer May Help Victims of Domestic Abuse
6. Domestic violence victims have higher health costs for years after abuse ends
7. Maryland's Preeminent Domestic Violence Agency Announces New Organizational Changes
8. Advans Survey Reveals that 75 Percent of Executives Prefer Domestic Outsourcing vs. Offshore
9. The Boulevard Zen Foundation Launches Yoga Program for Survivors of Domestic Violence
10. Backyard Poultry A Growing Trend Throughout US - USDA Offers Pointers on Keeping them Safe
11. Knowing when poultry goes foul
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:8/21/2014)... 21, 2014 Today, Zane Benefits, the ... the premium tax credits in 2015. , According to ... part of the Affordable Care Act (ACA), premium tax ... individual health insurance through the Health Insurance Marketplaces. , ... and the amount of the tax credits, updated for ...
(Date:8/21/2014)... MI (PRWEB) August 21, 2014 An ... informing a taxpayer that their federal tax payment is ... domain appears to come from the IRS, “tax@irs.gov”, it’s ... to provide personal and financial information. , While similar ... now, an uptick in phishing activity is occurring right ...
(Date:8/21/2014)... heart-lung support technology, the University of Michigan,s Transplant Center ... and pancreases available for transplant by about 20 percent. ... Transplantation and detail the impact of more than ... to improve the quality and viability of organs donated ... limited by the number of donated organs available, so ...
(Date:8/21/2014)... to exercise is a challenge. Thankfully, there are Zombies chasing ... of more than 31,000 health and fitness apps on the ... that use games to increase physical activity. , Gamification is ... to cash in to help people get fit. Whether or ... seen. , "It,s just been assumed that gamified apps will ...
(Date:8/21/2014)... (PRWEB) August 21, 2014 Pulmonary ... with an Education Forum for PH patients and ... Who:    The Pulmonary Hypertension Association – the ... find ways to prevent and cure pulmonary hypertension ... affects the functioning of the heart and can ...
Breaking Medicine News(10 mins):Health News:Beware Of Phony “Tax Payment Rejected” IRS Emails 2Health News:Extracorporeal support can significantly increase number of organs for transplant 2Health News:Playing hunger games: Are gamified health apps putting odds in your favor? 2Health News:Pulmonary Hypertension Association Goes On the Road to Houston With an Education Forum for PH Patients and Families to Help Fight Rare Lung Disease 2Health News:Pulmonary Hypertension Association Goes On the Road to Houston With an Education Forum for PH Patients and Families to Help Fight Rare Lung Disease 3
... , BETHEL, Conn., Dec. 4 MedClean Technologies, Inc. ... a preferred stock purchase agreement with Socius Capital Group, LLC, a ... Capital Group, LLC. Pursuant to the Purchase Agreement, MedClean will receive ... to sell up to 750 shares of its Series C Preferred ...
... , UNION, N.J., Dec. 4 ... its specialty anatomic pathology services with the launch of ... company,s expansion from a regional laboratory to a leading ... full range of specialties including gastroenterology, urology and now ...
... , , OKLAHOMA CITY, Dec. 4 ... for the first quarter ended September 30, 2009, a 24% decrease ... income for the quarter were $133,681 and $80,402, respectively, each a ... impacted by a decrease in pharmacy sector sales. This trend ...
... , SEATTLE, Dec. 4 The National Cancer Institute ... Research Center to become the nation,s sole operator of its Cancer ... jobs at the Hutchinson Center - nearly tripling the size of ... operational, which is scheduled for March 15, 2010. The Seattle CIS ...
... Medicine (BUSM) researchers at the Slone Epidemiology Center found that ... reduced incidence of uterine leiomyomata (fibroids). This report, based on ... of the American Journal of Epidemiology . Uterine ... to three times more common among black women than white ...
... ... initiative to establish standards for language access in healthcare organizations. , ... Hudson, OH (PRWEB) ... solutions, and patient education materials for healthcare institutions, understands the importance of effective ...
Cached Medicine News:Health News:MedClean Technologies Enters Into Preferred Stock Agreement of Up to $7.5 Million 2Health News:MedClean Technologies Enters Into Preferred Stock Agreement of Up to $7.5 Million 3Health News:PLUS Diagnostics Launches Hematology/Oncology Diagnostic Services 2Health News:PLUS Diagnostics Launches Hematology/Oncology Diagnostic Services 3Health News:PD-Rx Pharmaceuticals, Inc. Reports 1st Quarter Earnings 2Health News:Hutchinson Center Wins $55.4 Million Contract to Become Sole Operator of the NCI Cancer Information Service 2Health News:Researchers find increased dairy intake reduces risk of uterine fibroids in black women 2Health News:Lexi-Comp Focused on Improving Patient Communication in Healthcare Institutions Treating Diverse Patient Populations 2Health News:Lexi-Comp Focused on Improving Patient Communication in Healthcare Institutions Treating Diverse Patient Populations 3
(Date:8/21/2014)... PHILADELPHIA , Aug. 21, 2014  ACI ... platform for independent Data Monitoring Committees. ... to 30 percent over industry standard costs and ... an industry leader in committee services. ... member recruitment and contracting, charter development, statistical programming ...
(Date:8/21/2014)... PARK, N.J. , Aug. 21, 2014 /PRNewswire/ ... pharmacy group purchasing organization (GPO), is pleased to ... to collaborate on a host of innovative specialty ... help Aurora deliver enhanced therapy management services to ... Management (OTM) system. Aurora will use ...
(Date:8/21/2014)... 21, 2014  The board of directors of VirtualScopics, ... of clinical trial imaging solutions, today announced that ... officer, effective immediately.  Mr. Groff has held the role ... joined VirtualScopics in January 2006 as an accounting manager ... "When the board of VirtualScopics asked Jim to ...
Breaking Medicine Technology:ACI Clinical: Innovation and Savings in Data Safety Monitoring Committees 2Aurora Health Care Partners with Armada Health Care to Deliver Added Pharmacy Capabilities to Specialty Patients 2Aurora Health Care Partners with Armada Health Care to Deliver Added Pharmacy Capabilities to Specialty Patients 3VirtualScopics, Inc. Names James Groff Chief Financial Officer 2VirtualScopics, Inc. Names James Groff Chief Financial Officer 3VirtualScopics, Inc. Names James Groff Chief Financial Officer 4
... BILLERICA, Mass., Sept. 15 HydroCision Inc. ( ... announced today the purchase of the majority of ... capital firms Volcano Capital, Bioventures, and Omega Funds. ... SpineJet®, whose innovative Fluidjet surgical technology allows discectomy ...
... VentiRx Pharmaceuticals, Inc., a biopharmaceutical company focused on the ... the treatment of cancer, respiratory and inflammatory diseases, announced ... FierceBiotech "Fierce 15" list, designating it as one of ... industry. Every year, FierceBiotech evaluates hundreds of private companies, ...
Cached Medicine Technology:HydroCision Announces New Investment to Accelerate Growth of Novel Fluidjet Technology for Minimally Invasive Spine Surgery 2FierceBiotech Names VentiRx Pharmaceuticals as One of the 'Fierce 15' Biotech Companies of 2010 2
Blunt tipped forceps with tungsten carbide treated jaws for enhanced gripping and removal of large sized foreign bodies....
Blunt tipped forceps with entire interior surface of tip serrated. For general purpose membrane grasping (coarse membranes)....
The Tano Asymmetrical Microforceps features an offset tip which allows optimal visualization along the entire tip length. Versatile tip design targets ILM, fine epiretinal membranes and diabetic or P...
Microforceps : Eckardt End & Side Gripping Forceps...
Medicine Products: