Publications by authors named "Hervet J Randriamady"

Article Synopsis
  • The HIARA study, initiated in December 2022, aims to evaluate the economic and nutritional role of seafood for coastal communities in Madagascar, focusing on the Bay of Ranobe through 2026.
  • The research investigates whether constructing artificial coral reefs can enhance fish populations, boost local fish catches, and improve the livelihoods, nutrition, and mental well-being of fishers and their communities.
  • The study involves monitoring ecological and social factors in 14 communities, collecting data on fishery health, diets, resource strategies, and health indicators every three months to analyze the public health effects of artificial reefs on local residents.
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Article Synopsis
  • Billions globally face micronutrient deficiencies, with Madagascar being particularly vulnerable—nearly half the population is stunted, and some areas are in emergency conditions similar to famine.
  • Research from 2013-2020 involved 4,710 individuals, revealing alarming deficiency rates: 66.5% for zinc, 15.6% for vitamin B, and 11.6% for retinol, along with notable iron deficiencies.
  • The study also found high levels of inflammation in the population, with 24% experiencing chronic inflammation and significant geographic variations in nutrient deficiencies, indicating that some regions are much worse off than others.
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  • Madagascar's diverse ecologies impact malaria infection patterns, yet limited studies exist at finer sub-regional scales.
  • Researchers sampled 1476 households across various ecological regions to understand local prevalence rates and their connection to ecological conditions.
  • Findings revealed significant variation in malaria prevalence, with some communities experiencing over 50% infection rates, indicating densely infected households and highlighting localized hotspots of the disease.
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  • - Madagascar has faced major environmental changes since 1960, largely due to deforestation for agriculture, which is compounded by shifting climate patterns like rising temperatures and increased droughts and cyclones, threatening food security and health.
  • - This study assesses the health status of diverse Malagasy communities by analyzing clinical data and social surveys from 6,292 individuals across 1,125 households in 24 distinct regions, aiming to understand the links between health, climate, and nutrition.
  • - Utilizing a mixed-methods approach, researchers collected detailed information on income, food production, and health outcomes, to help predict and address future health burdens that may arise from ongoing environmental changes.
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Article Synopsis
  • Deforestation and land use change in Madagascar are increasing malaria risks by promoting the spread of disease vectors like the Anopheles mosquito among rural populations.
  • The study investigates various risk factors for malaria infection, focusing on ecological, demographic, and socioeconomic aspects in four different regions using multilevel models.
  • Findings indicate that aquatic agriculture is a significant predictor of Anopheles larvae habitats, with risk factors for malaria varying substantially by region, suggesting a need for tailored malaria control strategies across Madagascar.
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Chickens are a key source of nutrition for rural Malagasy communities. Due to high endemic rates of Newcastle disease, it remains challenging to raise sustainable chicken flocks as a consistent food source. Here, we explore the impact of triannual Newcastle disease virus (NDV) vaccine interventions on the growth and herd immunity acquisition of Malagasy chicken flocks.

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Objective: We collected dietary records over the course of nine months to comprehensively characterize the consumption patterns of Malagasy people living in remote rainforest areas of north-eastern Madagascar.

Design: The present study was a prospective longitudinal cohort study to estimate dietary diversity and nutrient intake for a suite of macronutrients, micronutrients and vitamins for 152 randomly selected households in two communities.

Setting: Madagascar, with over 25 million people living in an area the size of France, faces a multitude of nutritional challenges.

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Subsistence hunting presents a conservation challenge by which biodiversity preservation must be balanced with safeguarding of human livelihoods. Globally, subsistence hunting threatens primate populations, including Madagascar's endemic lemurs. We used population viability analysis to assess the sustainability of lemur hunting in Makira Natural Park, Madagascar.

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