The following principles and practices are recommended for prevention of mosquito production sources(i.e., breeding habitat) associated with irrigation and drainage systems in humid, semiarid, and arid areas.Although these practices apply to all mosquito species, the primary targets are those that transmit diseases tohumans and animals. Information herein is directed towards engineering practices. Chemical and biologicalcontrol measures are also part of a complete control program, and more complete, detailed information on theiruse should be obtained from appropriate sources. Complete mosquito control programs result from deliberatecombinations of structural, management, and chemical/biological practices. Mosquito control programs mayinclude possible conflicts with other irrigation and drainage project objectives such as creation of wildlifehabitat, canal safety, and aesthetics that must be resolved.
The document does not address control measures for non?mosquito borne diseases associated withirrigation such as schistosomiasis, a serious disease vectored by snails that is a major problem in irrigatedareas in the tropics. However, many of the same considerations for mosquito control will also apply to theseother problems.
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