Shrimp farmers do not read the calendar in months, they read it in stocking dates. Exhibitors do not pick a show on instinct either, they pick it by when their customers have money and time. That makes timing an aquaculture trade show the first decision that needs evidence, and the hardest one to change once the venue contract is signed.
This article does not name a single best month, because the crop calendar differs between provinces, between whiteleg and tiger shrimp, and between intensive farming and shrimp - rice rotation. It sets out the facts worth collecting and a way of scoring candidate months against each other.
Two clocks running side by side
The first clock is the pond. A study in the Thoi Binh shrimp - rice area of Ca Mau recorded a salinity season from January to July, when farmers raise tiger shrimp and may stock once or several times, with September to December given to rice. For whiteleg shrimp, press coverage early in the 2026 crop said farmers usually wait for rain to bring salinity down before stocking heavily. In short, stocking dates follow rain and salinity, not the organizer's calendar.
The second clock is the exhibitor's business calendar: when they set marketing budgets, when dealers order for the new crop, when they launch products. A feed or seed company wants to be present while customers are preparing to buy inputs. An equipment company may prefer to meet farmers after harvest, when they plan investment for the next crop. The two clocks can drift apart, and the organizer's job is to find the month where they drift least.
Five groups of facts to collect
- Stocking and harvest calendars by region and species, asked directly of dealers and farm owners instead of taken from a generic calendar.
- Weather, spring tides and salinity. Salinity fronts move inland with spring tides, and bulletins for the 2025 - 2026 dry season put the highest episodes in late March and April. Follow the official forecasts from the National Centre for Hydro-Meteorological Forecasting for the year of your show, and do not reuse last year's numbers.
- Usual disease windows. Veterinary authorities say many cases of acute hepatopancreatic necrosis disease and white spot appear about 15 to 60 days after stocking, most often from March to September. Farmers hesitate to leave the pond in this window, but it is also when they care most about technical seminars.
- Tet and public holidays. The planning factors in the CEM guides include religious calendars and holidays. In the Mekong Delta, many households renovate ponds and stock after Tet.
- Competing events. The floor plan guide weighs exhibit hours together with other events. List the aquaculture shows and conferences, domestic and regional, that fall near your candidate months.
What the CEM guides add: seasonal price and cost
Season also reaches the venue side. The facilities guide notes that seasonal demand can reduce or waive meeting and ballroom rental. The operations guide flags labor schedules for Sunday and holiday deliveries, and the conference guide says food and beverage guarantees must be fixed earlier when the function falls over a weekend or holiday. In other words, the same show costs a different amount to run in different months. When you ask for venue prices, request quotes for at least two month options to compare. The article on the venue for an aquaculture trade show explains the questions to put to a venue.
How to score the months when timing an aquaculture trade show
Build a table with candidate months as rows and five criteria as columns: are farmers free, weather and road access, competing events, venue price and availability, and the exhibitors' business rhythm. Score each cell from 1 to 5 using real calls, not guesses. Then apply weights according to the show's goal. A show aimed at small farmers will weight the farmer column higher, while a show aimed at international buyers will weight competing events and flights higher.
Take the top two months and ask the venue to hold option dates for both. The venue contract described in the finance guide has a section for event dates including option dates, set-up and dismantling, which fits this exactly. Holding dates buys you time to call more large clients before deciding.
Three groups of calls before signing
One afternoon is enough for fifteen short calls, and they are worth more than a week of meetings.
- Five dealers or distributors: which month do they sell the most inputs, and which month are their customers hardest to pull away from the farm?
- Five farm owners or technicians: of the two candidate months, which could they attend if a shuttle were provided?
- Five prospective exhibitors: which month fits their launch calendar and budget?
If the answers split into two camps, that is a signal to design the program calendar, not necessarily to change the month. For example, put technical seminars on day one to draw farmers worried about disease, and keep the last day for buyers and visiting groups. A bus-in program and roadshows in the provinces can also make up part of the gap for a less convenient month.
Choosing the date sits in the early phase of the roadmap for organizing an aquaculture trade show, so do not let it run after the venue is signed.
Need crop-calendar facts for your show?
If your organization is timing an aquaculture trade show and wants someone to run the survey calls and build the month scoring table, you can send a request through the quote page or book a call with Nguyen Anh Trung. Share the farming region, the main species and the months under consideration.
Fifteen phone calls cost far less than an edition that lands in the week farmers are busy stocking.