New learning resource provides key evidence on food safety in developing countries

A woman milks one of her goats in Ségou District, Mali (photo credit: ILRI/Valentin Bognan Koné).

Livelihoods advisers and other interested development professionals can now benefit from a new learning resource on food safety in developing countries. It was written by Delia Grace, a veterinary epidemiologist and food safety expert at the International Livestock Research Institute (ILRI) and published by Evidence on Demand, an international development information hub supported by the UK Department for International Development (DFID).

The learning resource, Food safety in developing countries: An overview, aims to provide ‘non-food safety experts’ with a good understanding of foodborne disease within the broader context of ‘development’ discussions. It assumes that readers already have a solid grasp of international development contexts, and current development discourse.

It is presented in three main sections:

Part 1 will help readers to understand what is meant by foodborne disease and its impact. It summarises current best evidence and knowledge gaps on foodborne disease in developing countries.

Part 2 summarises some of the interventions for managing food safety and stimulates thinking about the ‘so what’ questions. It shows that foodborne disease is preventable.

Part 3 covers food trends and drivers that affect food safety in developing countries in more detail. It also reviews the geography of food safety and how this impacts on people who are poor, and looks at what food safety means for small farmers, export industries, women, the most vulnerable people, and for nutrition.

The conclusions presented at the end capture what the current best evidence is telling us:

• Food safety has been neglected in developing countries. There is growing evidence that foodborne disease may be an important contributor to gastrointestinal disease.
• Foodborne disease has been increasing in developed countries and is likely to increase in developing countries.
• Foodborne disease is not just a health issue. Already a major determinant of export market access, it is increasingly affecting domestic markets.

 

El Niño predictions signal urgent need to prepare for Rift Valley fever epidemics in eastern Africa

Orma Boran cattle crossing a river in Kenya. Both cattle and people can be infected with Rift Valley fever (photo credit: ILRI /Rosemary Dolan).

Recent climate predictions suggest East Africa may be in line for an epidemic of Rift Valley fever – an infectious disease which can hit people, their livestock and livelihoods, and national economies hard.

Data from the Climate Prediction Center and International Research Institute for Climate and Society suggest there is a 99.9% chance there will be an El Niño occurrence this year, with a 90% chance it will last until March/April 2016.

At least two of the most recent Rift Valley fever epidemics in East Africa—those in 1997-98 and 2006-07—were associated with El Niño weather patterns, with Kenya suffering losses amounting to US$32 million.

Given the strong predictions of an El Niño occurrence, and the established association between El Niño and Rift Valley fever risk, countries in the Horn of Africa need to start preparing to manage the developing risk.

In particular, public education on the linkages between the expected weather patterns and disease risk is vital to minimize human exposure to the disease should an epidemic occur.

Read the full article by Bernard Bett, a veterinary epidemiologist at the International Livestock Research Institute (ILRI).

 

Is the empowerment of women livestock keepers the key to improved nutrition? A new study seeks to find out

ILRI policies, instititions and livelihoods program

A woman milking a cow in Tanga, Tanzania (photo credit: ILRI/Paul Karaimu)

Written by Alessandra Galie
One of the main goals of gender research in the CGIAR research program on Livestock and Fish is improved nutrition. This is also one of the 4 pillars of the program’s gender strategy and one of the 3 system level outcomes of the CGIAR. Good nutrition in the first 1000 days of a child’s life and for lactating mothers is particularly important for the child’s cerebral and physical development. Good nutrition is therefore considered the basis to improve livelihoods and general well-being. Because higher levels of gender inequality are associated with higher levels of both acute and chronic under nutrition (FAO 2012), gender research in research program focuses on enhancing the empowerment of women livestock keepers and consumers.

Animal source foods (ASF) have been shown to offer enormous potential for nutrition in developing countries…

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ILRI presentations win prizes at international conference on pork safety

Maurice Murungi, a graduate fellow attached to the Urban Zoo project, receives the award for best oral presentation by students at the Safe Pork 2015 conference (photo credit: ILRI/Fred Unger).

With rapidly increasing populations and unprecedented rates of urbanization, the demand for meat also rises. Much of this demand is being met by poultry and pig meat as production is well placed to scale up because of short cycles, large numbers of offspring and ability to grow fast on cereal feeds.

In the case of pork, however, one crucial barrier must be overcome if it is to contribute optimally to feeding the future: pork safety. Indeed, since prehistoric times, pork has been subject to taboos and it has been argued that this is because of the large number of parasites and pathogens that pigs can carry.

The biennial Safe Pork conference is the premier meeting for researchers, industry and policymakers concerned with the safety of pork. This year, the meeting was held on 7-10 September in Porto, a coastal city in Portugal, and was co-organized by Spanish and Portuguese universities.

Scientists from the International Livestock Research Institute (ILRI) presented findings from the Livestock and Fish and Agriculture for Nutrition and Health research programs in the smallholder pig sectors of Uganda and Vietnam as well as from the Urban Zoo project on urban livestock value chains in Kenya and work on possible links between pork production and antimicrobial resistance.

Three ILRI scientists (Delia Grace, Maurice Murungi and Fred Unger) attended as well as visiting scientist Pablo Alarcon. Although our delegation was small, our impact was high and ILRI was awarded two of the four ‘best in show’ prizes: Maurice accepting the prize for best oral presentation by students on behalf of the Urban Zoo team and Delia the prize for best poster on behalf of the PigRisk team.

The conference was an excellent snapshot of the big issues in pork safety. There were several presentations on the most serious zoonotic pathogens in modern pork industries: Salmonella, Campylobacter and Listeria.

Emerging pathogens were of obvious concern with presentations on hepatitis E and livestock-associated Staphylococcus. In his sum up, the chair said that antimicrobial resistance was the issue of the day; this was witnessed by two sessions on this important topic. Both economics and One Health had a profile.

Overall, the focus of the conference was mostly on intensive swine production in Europe and North America. This had the side effect of drawing more attention to ILRI presentations as participants were interested to hear views from the South and in a globalized world, disease is not a regional problem.

As was pointed out, Denmark may successfully reduce treatment regimes from 20 milligrams to 10, but if countries elsewhere are using thousands of tons of antibiotics a year, their achievement will have little impact in curbing rising antimicrobial resistance.

The conference format was all plenaries, increasing the salience of presentations, and industry was well represented from both pharmaceutical and production sectors.

All in all, the conference was a good opportunity to disseminate ILRI research, get updated on pork safety and network for future collaboration. The next Safe Pork meeting will be held in 2017 in Brazil.

Listed below are the ILRI presentations at the Safe Pork 2015 conference.

Assessing and understanding food safety risk practices in Nairobi pork food system: A value chain approach
Murungi, M.K.; M.; Muinde, P.; Akoko, J.; Rushton, J.; Fèvre, E.M.; Dominguez-Salas, P.; Muloi, D.; Häsler, B.; Alarcon, P.

Food safety challenges in smallholder pig value chains in Vietnam: From an assessment to feasible interventions using an integrated approach
Unger, F.; Lapar, L.; Van Hung, P.; Dang-Xuan, S.; Hong Ngan, P.; Rich, K.M.; Nguyen, H.; Grace, D.

Market based approaches for food safety and animal health interventions in smallholder pig systems: The case of Vietnam
Rich, K.M.; Thu Huyen, N.T.; Nam Ha, D.; Duong Nga, N.T.; Xuan, V.K.; Trung, N.X.; Van Long, T.; Van Hung, P.; Unger, F.; Hamza, K.; Lapar, L.

Present and future use of antimicrobials in pigs in developing countries and case studies from Uganda and Vietnam
Grace, D.; Unger, F.; Roesel, K.; Tinega, G.; Ndoboli, D.; Sinh, D.X.; Nguyen-Viet, H.; Robinson, T.

Risk-based approach for food safety applied to pork value chain in Vietnam
Nguyen-Viet, H.; Sinh, D.X.; Hanh, T.T.T.; Unger, F.; Grace, D.; Phuc, P.D.; Makita, K.

Serological and molecular investigation for brucellosis in swine in selected districts of Uganda
Erume, J.; Roesel, K.; Dione, M.M.; Ejobi, F.; Mboowa, G.; Kungu, J.; Akol, J.; Pezo, D.; El-Adawy, H.; Melzer, F.; Elschner, M.; Neubauer, H.; Grace, D.

Blog post contributed by ILRI scientists Delia Grace and Fred Unger

 

New book chapter explores how trade liberalization affects nutrition and health

Locally made beef stew sold in Bagnon market at Yopougon, Abidjan, Côte d’Ivoire. Informal food trade is less amenable to regulation and may be an important cause of foodborne disease (photo credit: ILRI/Valentin Bognan Koné).

The World Health Organization last month (August 2015) published a book on trade and health that provides useful background information for health policymakers to formulate a national response to trade and health-related issues, especially within the context of liberalization of global trade.

Trade liberalization influences the entire food supply chain. Changes along the food supply chain in turn influence the environment in which consumers make choices about the food they eat. These choices affect the diets of consumers and, therefore, the prevalence of foodborne diseases, undernutrition, and obesity and diet-related noncommunicable diseases.

There are also indirect effects of trade liberalization on human nutrition and health. These include the effects on household incomes and the inadvertent entry of emerging human, animal and plant diseases.

However, assessing national-level nutrition and health impacts of trade and trade policy is a complex affair. Therefore, in a chapter on trade liberalization, food, nutrition and health, the authors discuss four basic steps that governments can adopt to assess the potential impact of trade liberalization on food-related health and nutrition. These are:

• an assessment of the types of impacts trade liberalization could have on a selected sub-set of key nodes in the food supply chain
• an assessment of the subsequent impact on food safety, food availability, food prices and food marketing
• an assessment on the food-related health outcomes themselves, namely foodborne diseases, undernutrition, and obesity and diet-related non-communicable diseases
• an assessment of the implications of trade agreements on the policy space required to address these health conditions

The chapter also puts forward a number of opportunities for using trade policy to improve nutrition and health.

The chapter Trade liberalization, food, nutrition and health was authored by Corinna Hawkes, Honorary Fellow at the City University London Centre for Food Policy and Senior Adviser at the Leverhulme Center for Integrative Research into Agriculture and Health; Delia Grace, Program Leader, Food Safety and Zoonoses, International Livestock Research Institute and Anne Marie Thow, Lecturer in health policy at the Menzies Centre for Health Policy, University of Sydney.

Access the book, Trade and Health: Towards building a National Strategy, edited by Richard Smith, Chantal Blouin, Zafar Mirza, Peter Beyer and Nick Drager.

 

Ways forward for food safety in countries bearing the brunt of the world’s food-borne diseases

ILRI news

Roadside meat for sale in Nairobi, Kenya (picture on Flickr by Andrew Chipley).

This article is written by Delia Grace

A new paper on food safety in low- and middle-income countries was published today (27 Aug 2015). The paper is based on a longer learning resource commissioned by the UK Department for International Development (DFID), which will appear shortly. Both publications reflect what the International Livestock Research Institute (ILRI) and its partners have learned over the last ten years since adopting a framework of risk analysis for assessing, managing and communicating about food safety in developing countries.

Some conclusions
The evidence indicates that low- and middle-income countries bear the brunt of food-borne disease; that developing-country consumers are concerned about food-borne diseases; that most of the known burden of food-borne disease comes from biological hazards; and that most food-borne disease results from eating contaminated perishable foods sold…

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New study recommends continued research on the possible role pigs could play in transmitting Ebola in Uganda

ILRI news

The map above shows high-risk areas due to a spatial overlap of three proposed risk factors for zoonotic Ebola virus transmission in Uganda: modelled zoonotic niche, domestic pig distribution and high numbers of people living in extreme poverty; the map is taken from a paper published in Transboundary and Emerging Diseases, Assessing the potential role of pigs in the epidemiology of Ebola virus in Uganda, by C Atherstone, E Smith, P Ochungo, K Roesel, D Grace, 27 August 2015 (figure credit: ILRI).

This article is written by two of this paper’s authors: Christine Atherstone, an ILRI researcher based in Uganda who leads this work and is lead author, and Delia Grace, who leads ILRI’s Food Safety and Zoonoses research program.

A new risk assessment paper, Assessing the potential role of pigs in the epidemiology of the Ebola virus in Uganda, was published in the science journal

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ILRI supports Thailand symposium on food safety, zoonoses and EcoHealth

ILRI Asia

The International Livestock Research Institute (ILRI) recently supported and co-organized a symposium on food safety, zoonoses and EcoHealth in Thailand.

ILRI scientists Fred Unger and Hung Nguyen with Pudji Astuti, Vice Dean, Vet Faculty, University of Gadjah Mada (second from left) and other researchers from the region at the Chiang Mai symposium (Photo credit: ILRI/Duong Van Nhiem).

The fourth Food Safety and Zoonoses Symposium for Asia Pacific, which also included the second Regional EcoHealth Symposium, held 3-5 August 2015 in Chiang Mai, brought together experts to share knowledge and information on food safety and zoonoses and to provide a platform for recent EcoHealth research.

This year’s theme was ‘Professional learning community for human–animal–environmental health’.

The symposium focused on several important themes including assessment of biological and chemical risks in food system, antimicrobial resistance in humans and animals, emergence of zoonoses and vector-borne diseases, innovation in surveillance and epidemiological tools…

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Towards professionalizing—not criminalizing—informal sellers of milk and meat in poor countries

ILRI news

Transporting fresh milk by motorcycle in Tanzania (photo credit: ILRI/Ben Lukuyu).

‘. . . Researchers from the International Livestock Research Institute (ILRI) and partners have developed and piloted an institutional innovation—a training, certification and branding scheme for informal value chain actors—with good potential to improve the safety of animal-source foods sold in informal markets.

‘Past development policy often focused on formal markets, which at best meant neglect of informal markets and often resulted in harassment and penalties for informal agents.

While in the long term markets are likely to formalize, in the short term, interventions that seek to suppress informal markets can be both ineffective and antipoor.

‘Recent evidence suggests that a more constructive, incentive-based approach to informal markets could improve their contribution to economic development as well as increase compliance with standards in areas such as the environment, public health, and labor.

‘There is a growing recognition of…

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Reducing human exposure to aflatoxins in poor countries: Towards new technologies and practices

ILRI news

ILRI graduate fellow Taishi Kayano, from Rakuno Gakuen University, collects milk samples from a Kenya dairy farmer as part of a scoping survey of aflatoxins in the feed-dairy chain in Kenya (photo credit: ILRI/Taishi Kayano).

A new paper describes and assesses the strength of a theory of change for how adoption of farm-level technologies and practices for aflatoxin mitigation can help reduce aflatoxin exposure among consumers.

‘Aflatoxins, naturally occurring fungal toxins that contaminate maize and groundnuts and other crops, pose both acute and chronic risks to human health. Aflatoxins are odourless and colourless and impossible to detect accurately without appropriate testing technologies. Both humans and animals are affected, and there is an additional risk of aflatoxin transmission through animal-source foods, especially milk, from animals fed contaminated feed.

‘Consumption of very high levels of aflatoxins can result in acute illness and death. Chronic exposure, which causes the greater human health burden…

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