What should you do if Vibrio levels exceed the limit during hot weather?
2026-06-05
Vibrio disease is primarily caused by massive Vibrio blooms, deteriorating pond-bottom conditions, and poor shrimp health, making it the most common bacterial disease in shrimp aquaculture and one that can jeopardize the entire farming cycle. The main route of Vibrio infection is oral ingestion, followed by entry through body‑surface wounds and gills. Once inside, Vibrio bacteria actively adhere to the digestive tract or wound sites, disrupt the epithelial barrier, and invade the host, leading to inflammation, tissue ulceration, necrosis, or atrophy.
Location: Qiantang District, Xiaoshan, Hangzhou
Time: September 3 to September 5
Area: 25 mu of external ponds,
Water depth: 2 meters
Variety: Whiteleg Shrimp
Recently, the farmer conducted a plate assay and found an elevated level of Vibrio harveyi.
Recommended treatment method: chlorine dioxide, one packet per 2 mu.
On the second day, use one packet of 50% potassium peroxymonosulfate compound effervescent tablets per mu.
On the third day, supplement with live bacteria. Effects after use.
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