Assessing the Value of Animal Health Surveillance

Since resources are scarce and governments must work within limited budgets, economic analysis of surveillance systems are an important aid to decision-making by describing alternative surveillance options and identifying which of these is to be preferred if the objective is to obtain the best level of net benefit from the scarce resources available. Economic appraisals of surveillance need to be done on a case by case basis for any hazard considering both surveillance and intervention performance, the losses avoided and the values attached to them.

July 05, 2017

Assessment of Several Algorithms for Outbreak Detection using Bovine Meat Inspection Data for Syndromic Surveillance: A Pilot Study on Whole Carcass Condemnation Rate

The majority of farmed animals are sent to slaughterhouses, making them a focal point for potential collection of health data. However, these data are not always available to health officials, and remain under-used for cattle health monitoring. Meat inspection data are mainly non-diagnostic (condemned portion and reasons for condemnation) and cover a large population. These characteristics make them a good candidate for syndromic surveillance.

September 28, 2017

Development of the Multiplex PCR for Detection of the DNA-Contained Emergent Diseases Agents in Pigs (African Swine Fever, Aujeszky Disease, Circoviral Disease)

African swine fever virus (ASFV), pseudorabies virus (Aujrszky’s disease virus, ADV) and porcine circovirus type 2 (PCV-2) are some of the most dangerous DNA viruses causing high amounts of morbidity and mortality in commercial and backyard pig farms. Traditional diagnosis of porcine viral infections requires complex and lengthy combinations of virological and serological tests. This study aimed to develop a method for rapid detection of the DNA-containing viral pathogens of pig in clinical materials using conventional multiplex PCR platform.

Objective

October 05, 2017

Establishing an epidemiosurveillance centre in a resource-constrained setting: A Zambian experience

Livestock diseases in most developing countries are often widely distributed. The wide distribution of diseases often renders whole countries ineligible to participate in international trade of meat and meat products. These trade restrictions serve as a continuous primary source of revenue loss. The World Organisation for Animal Health (OIE) now promotes establishment of disease free zones to lessen the impact of trade restrictions.

October 13, 2017

Monitoring Emergent Avian Influenza Viruses Subtypes H5 and H7 in Wild Birds in Ukraine

To date, avian influenza virus (AIV) is an unpredictable pathogen affecting both animals, birds and people. The regular emergence of new strains and variants with different properties and pathogenicities requires additional monitoring and careful research of those viruses. It is known that wild birds— especially waterfowl and shorebirds— are the main and primary reservoir of AIV in nature which makes epizootological monitoring of populations of these birds necessary.

Objective

November 22, 2017

Community Perceptions on Integrating Animal Vaccination and Health Education by Veterinary and Public Health Workers in the Prevention of Brucellosis among Pastoral Communities of South Western Uganda

Brucellosis is a zoonotic disease of veterinary, public health and economic significance in most developing countries, yet there are few studies that show integrated human and veterinary health care intervention focusing on integration at both activity and actors levels. The aim of our study, therefore, was to explore community perceptions on integration of animal vaccination and health education by veterinary and public health workers in the management of brucellosis.

Objective

October 02, 2017

Outbreak Prediction: Aggregating Evidence Through Multivariate Surveillance

Production animal health syndromic surveillance (PAHSyS) data are varied: there may be standardized ratios, proportions, counts of adverse events, categorical data and even qualitative ‘intelligence’ that may need to be aggregated up a hierarchy. PAHSyS provides some unique challenges for event detection. Livestock populations are made up of many subpopulations which are constantly moving around between farms and markets to slaughter. Pathogen expression often varies across production types and rearing-intensity levels.

November 24, 2017

Spatial Analysis when the Location of Infection is Uncertain: An Innovative Approach Using an AnimalHerd-Level Weighted Analysis

Bovine cysticercosis is a zoonotic foodborne disease caused by Taenia saginata involving cattle as the intermediate host and humans as the final host. Humans are infected by eating raw or undercooked meat of infected cattle. Cattle are infected after grazing on pasture infected by human feces. Disease detection in cattle is performed during post-mortem meat inspection at the slaughterhouse through the identification of cysts in muscle tissue. Cysts develop from a viable stage to a degenerated stage in one to nine months, both stages being visible and distinguishable in cattle muscle.

November 27, 2017

Standardising Syndromic Classification in Animal Health Data

Veterinary syndromic surveillance (VSS) is a fast growing field, but development has been limited by the limited use of standards in recording animal health events and thus their categorization into syndromes. The adoption of syndromic classification standards would allow comparability of outputs from systems using a variety of animal health data sources (clinical data, laboratory tests, slaughterhouse records, rendering plants data, etc), in addition to improving the ability to compare outputs among countries.

November 27, 2017

Surveillance to Manage Disease on Canadian Swine Farms

On a day to day basis, farmers and their veterinarians deal with many diseases without the benefit of surveillance for early outbreak detection, or coordinated outbreak responses. Without this support, highly contagious pathogens such as Porcine Epidemic Diarrhea Virus (PEDv) can spread quickly and potentially cause significant harm. The purpose of this project was to develop a surveillance system to help Canadian swine farmers and veterinarians to deal more effectively with diseases

Objective

December 06, 2017

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