Aflatoxins are toxic by-products of fungi contaminating maize and other crops; they can
be carried over into milk, meat and eggs when livestock eat aflatoxin-contaminated feed
or fodder. People who consume such animal products are exposed to the toxins. To assess
the aflatoxin contamination statu...
Kirino, Y.
,
Makita, K.
,
Grace, Delia
,
Lindahl, Johanna F.
,
[Survey of informal milk retailers in Nairobi, Kenya and prevalence of aflatoxin M1 in marketed milk]
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Survey of informal milk retailers in Nairobi, Kenya and prevalence of aflatoxin M1 in marketed milk
The objective of this study was to investigate the prevalence of, and risk factors for, Salmonella contamination along the smallholder pig value chain in northern Vietnam. Repeat cross-sectional (for farm and pork shops) and longitudinal (for slaughterhouses) studies were carried out in Hung Yen ...
Sinh Dang-Xuan
,
Hung Nguyen-Viet
,
Phuc Pham Duc
,
Unger, Fred
,
Ngan Tran-Thi
,
Grace, Delia
,
Makita, K.
,
[Risk factors associated with Salmonella spp. prevalence along smallholder pig value chains in Vietnam]
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Risk factors associated with Salmonella spp. prevalence along smallholder pig value chains in Vietnam
Human food and animal feed can contain many different hazards, which may be biological, chemical, or physical. In most countries, there are regulations that limit the levels of these hazards permitted in food and feed so as to protect consumers. Optimally, the levels specified in the standards sh...
Sirma, A.J.
,
Lindahl, Johanna F.
,
Makita, K.
,
Senerwa, D.
,
Mtimet, Nadhem
,
Kang’ethe, E.K.
,
Grace, Delia
,
[The impacts of aflatoxin standards on health and nutrition in sub-Saharan Africa: The case of Kenya]
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The impacts of aflatoxin standards on health and nutrition in sub-Saharan Africa: The case of Kenya
A mapping of the informal food value chain revealed that there are four possible value chains and that chicken spilled over from formal to informal markets. The prevalence of S. aureus in RTE chicken samples (44%; 90% CI: 36.1%-52.2%) was high. The mean S. aureus counts in the ready to eat chicke...
Oguttu, J.W.
,
McCrindle, C.M.E.
,
Makita, K.
,
Grace, Delia
,
[Investigation of the food value chain of ready-to-eat chicken and the associated risk for staphylococcal food poisoning in Tshwane Metropole, South Africa]
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Investigation of the food value chain of ready-to-eat chicken and the associated risk for staphylococcal food poisoning in Tshwane Metropole, South Africa
The objective of the study was to assess the risk of campylobacteriosis due to consumption of cross-contaminated nyama-choma (roast beef) sold in beer bars in Arusha Municipality, Tanzania.
In 2010, thirty butchers and thirty beer bars serving roast beef, selected using stratified random samplin...
Makita, K.
,
Mahundi, E.
,
Toyomaki, H.
,
Ishihara, K.
,
Sanka, P.
,
Kaaya, E.J.
,
Grace, Delia
,
Kurwijila, Lusato R.
,
[Risk assessment of campylobacteriosis due to consumption of roast beef served in beer bars in Arusha, Tanzania]
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Risk assessment of campylobacteriosis due to consumption of roast beef served in beer bars in Arusha, Tanzania
In developing countries, food-borne diseases are one of the most important public health problems and animal-source foods cause a large proportion of such diseases. In sub-Saharan Africa where many people live in poverty, the level of food hygiene is very low. This is not only because living envi...
Makita, K.
,
Grace, Delia
,
Randolph, Thomas F.
,
Baker, Derek
,
Staal, Steven J.
,
[ILRI/BMZ safe food fair food: Building capacity to improve the safety of animal-source foods and ensure continued market access for poor farmers in sub-Saharan Africa]
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ILRI/BMZ safe food fair food: Building capacity to improve the safety of animal-source foods and ensure continued market access for poor farmers in sub-Saharan Africa
Japanese weather data for areas that produced Campylobacter spp.-positive chicken products were compared with those for areas producing negative samples. Regarding samples produced during the period of rising temperature (spring and summer), the mean weekly air temperatures for Campylobacter-posi...
Ishihara, K.
,
Takahashi, R.
,
Andoh, M.
,
Makita, K.
,
Kamiji, S.
,
Ueno, H.
,
Muramatsu, Y.
,
Tamura, Y.
,
[Effects of climatic elements on Campylobacter-contaminated chicken products in Japan]
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Effects of climatic elements on Campylobacter-contaminated chicken products in Japan
To determine the prevalence of indicator bacteria resistant to antimicrobials among poultry in three Southeast Asian countries (Vietnam, Indonesia and Thailand), we examined the antimicrobial susceptibilities of commensal bacteria isolated from chickens. In total, 125, 117 and 180 isolates of Esc...
Usui, M.
,
Ozawa, S.
,
Onozato, H.
,
Kuge, R.
,
Obata, Y.
,
Uemae, T.
,
Ngoc, P.T.
,
Heriyanto, A.
,
Chalemchaikit, T.
,
Makita, K.
,
Muramatsu, Y.
,
Tamura, Y.
,
[Antimicrobial susceptibility of indicator bacteria isolated from chickens in Southeast Asian countries (Vietnam, Indonesia, and Thailand)]
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Antimicrobial susceptibility of indicator bacteria isolated from chickens in Southeast Asian countries (Vietnam, Indonesia, and Thailand)
Objectives
To quantify salmonellosis risk in humans through consumption of boiled pork in urban Hung Yen Province, Vietnam, using a quantitative microbial risk assessment.
Methods
We collected 302 samples along the pork value chain in Hung Yen between April 2014 and February 2015. We developed...
Sinh Dang Xuan
,
Hung Nguyen-Viet
,
Unger, Fred
,
Phuc Pham Duc
,
Grace, Delia
,
Ngan Tran Thi
,
Barot, M.
,
Ngoc Pham-Thi
,
Makita, K.
,
[Quantitative risk assessment of human salmonellosis in the smallholder pig value chains in urban of Vietnam]
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Quantitative risk assessment of human salmonellosis in the smallholder pig value chains in urban of Vietnam
Pork is the most commonly consumed meat in Vietnam, and Salmonella enterica is a common contaminant. This study aimed to assess potential S. enterica cross-contamination between raw and cooked pork in Vietnamese households. Different scenarios for cross-contamination were constructed based on a h...
Sinh Dang Xuan
,
Hung Nguyen-Viet
,
Phuc Pham Duc
,
Grace, Delia
,
Unger, Fred
,
Nam Nguyen-Hai
,
Thanh Nguyen Tien
,
Makita, K.
,
[Simulating cross-contamination of cooked pork with Salmonella enterica from raw pork through home kitchen preparation in Vietnam]
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Simulating cross-contamination of cooked pork with Salmonella enterica from raw pork through home kitchen preparation in Vietnam