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A plant belonging to the Ministry of Health, where hexachlorocyclohexane (HCH) was produced, was closed down in 1955. Located in Duque de Caxias, Rio de Janeiro, the plant was left with its production exposed, which ended up being swept by the rain, wind, or taken by local people, more than 1000 individuals. A daycare center, Cristo Redentor, houses 400 children that, until recently, still received...
Factors such as nutrition, season, sex ratio and broodstock density affect reproduction in red tilapias, However the extent by which genetic strain differences influence reproductive performance in red tilapias is not fully understood. Hence an experiment was conducted to compare the reproductive efficiency of three genetically diverse Philippine red tilapia strains ( BFS , FAC and PF )...
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