求翻译：南美白对虾出现不明原因的红体病，在养殖中有运用侧芽孢杆菌（PGPR菌）微生物制剂对水质进行调控可以减少发病是什么意思？

Penaeus vannamei unexplained red body disease, in farming, the use of side Bacillus (pgpr bacteria) microbial agents on the water quality regulation can reduce the incidence

South American White prawns unknown reason, the Red Cross (in use in aquaculture should carve PGPR bacterial spores (bacteria) micro-biological agents of water quality regulation and control can reduce morbidity

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Penaeus vannamei red body disease of unknown origin occurred, application of Bacillus in aquaculture (PGPR bacteria) incidence of microbial agents to control can reduce the water quality

The South America white shrimp appears the unclear reason red body sickness, has in the cultivation using the lateral bud spore bacillus (the PGPR fungus) the microorganism preparation carries on the regulation to the water quality to be possible to reduce the morbidity