Poultry Farm Mosquito Spray Service: When 4 Workers Caught Dengue at Once and Thousands of Eggs Went Uncollected
Sompong, owner of a 30,000-hen layer farm in Chachoengsao, took pride in passing every farm-standard audit — from closed-house systems to manure management. But one enemy never appeared on any inspection checklist, until it put four of his workers in sickbeds at the same time.
A Farm That Met Every Standard — Except One: Mosquitoes
Around Sompong's farm sat everything mosquitoes love: a wastewater treatment pond, drainage channels from house washing, reserve water tanks, puddles beneath the tank stands, and the grassy yard around the workers' housing bordering an oil-palm plantation. When the rains set in, every spot became a breeding site pumping out a new generation weekly.
Twelve workers live on the farm, working from 4:30 a.m. until evening with two egg-collection rounds a day — perfectly overlapping the dawn and dusk mosquito feeding windows. Within ten days, four workers went down with high fevers. The health centre confirmed every case: dengue.
A 30,000-hen farm missing 4 of its 12 workers means thousands of eggs uncollected on schedule. Eggs left in nests risk cracking and soiling; grades fall, prices fall, and the regular customers who collect eggs every morning start asking about reliability.
The Damage Hidden in the Farm Budget
- Labour is the heart of a farm: Farm work is hard to substitute — new hands must learn feeding rounds, egg grading, and biosecurity. Losing a third of the team throws everything off.
- Egg quality dropped immediately: Late-collected eggs grade lower. Hotel and bakery customers strict on quality began negotiating prices down or scouting other suppliers.
- Workers' families wavered: Two workers asked to resign because their wives feared the small children living on the farm would catch dengue too. Replacement farm labour in the district grows scarcer and pricier every year.
- Animal stress: Mosquitoes and biting insects disturbed hens in the partially open houses; stressed hens eat less, denting lay rates exactly when prices were good.
The Home Remedies the Farm Tried — and Why They Didn't End It
- Burning citronella around the housing: Lemongrass and orange peel gave brief relief, but the mosquito volume from the treatment pond overwhelmed any scent.
- Larvicide sand in the water tanks: Right for tanks — but the large treatment pond, the long drainage channels, and the puddles in the neighbouring palm plantation are far beyond a few sachets.
- Repellent spray in workers' rooms: Protection while sleeping, but workers were bitten collecting eggs at dawn and washing channels at dusk.
- Fear of strong chemicals: Sompong worried any spraying would harm the hens or leave residues in eggs, so he hired no one — a valid concern that let the problem drag on.
What the farm needed was a team that understands both mosquito elimination and farm biosecurity — what can be sprayed where, what buffer distances the houses need, and how to work without touching animals or produce.
The Right Answer: ULV Mosquito Spraying by World Health Disinfection
The farm's consulting veterinarian recommended the mosquito spray service from World Health Disinfection (WHD), having seen the team work in food factories with strict chemical controls.
WHD surveyed the farm together with the vet before planning. Zones were clearly divided: full ULV treatment for the workers' housing and office zone; an external buffer-line treatment around the hen houses, keeping a safe distance from the buildings and ventilation systems; and targeted spraying of the vegetation along the pond margins where mosquitoes rest — combined with biological larval control in the pond itself.
10 Reasons Farm Owners Trust WHD
- Farm biosecurity understood — strict protocols on footwear, equipment disinfection, and designated walking routes before entering.
- Clearly separated spray zones — full treatment where people live, standard buffer lines where animals live; no drift into houses or feed silos.
- Naturally biodegrading Deltamethrin 2.5% — certified safe for mammals once dry, with no accumulation in the farm environment.
- WHO-standard ULV for wide farm areas — palm-plantation borders, drainage channels, and grass lines handled in a single round.
- Scheduling around farm routines — treatment mid-morning after the first egg collection, never clashing with critical work.
- Workers and families protected first — the housing zone gets top priority, because that's where people are bitten in their sleep.
- Integrated larval management advice — larvicide for small containers, larvae-eating fish for the big pond, and standing-water routines that extend each treatment's effect.
- Complete documentation — chemical types and dilution rates on record, ready for farm-standard audits and egg buyers.
- Honest pricing, free survey — provincial farms get the same professional service as city factories.
- A full-spectrum hygiene partner — the farm also books WHD's disinfection spray service for the egg-grading room annually and consults on ozone treatment for equipment storage.
Before / After at the 30,000-Hen Farm
| Before WHD | After |
|---|
| 4 workers down with dengue in 10 days | Zero new cases all season; the two resigning workers stayed |
| Thousands of eggs uncollected; grades and prices fell | Collection rounds back to normal; grades and prices restored |
| Families ate dinner inside mosquito nets | Families eat outside their houses again |
| Too afraid of chemicals to act at all | A vet-approved spray plan with documents attached to farm audits |
"I was afraid spraying would harm my hens. The WHD team talked to our vet first and mapped exactly where to spray and where to keep clear. Mosquito control is now a permanent line in our annual farm sanitation plan." — Sompong, farm owner
How the Service Works for Livestock Farms
- Contact the team — call 065-556-6294 or LINE @whd268 with your farm type, number of houses, and problem spots.
- Survey with your vet or farm manager — spray zones and buffer lines agreed around animal houses.
- Treatment timed to farm routines — full compliance with your biosecurity procedures.
- Zone-based ULV application — workers' housing, fence lines, channels, and pond margins; areas closed 30–60 minutes.
- Report + larval management plan — with recurring rounds through the rainy season.
Farm Owner FAQ
Q: Is the spray dangerous to chickens or farm animals?
A: We set buffer lines and droplet direction so spray never reaches animals, feed, or water systems. The solution biodegrades naturally and is mammal-safe once dry.
Q: Will it affect eggs or produce?
A: No — there is no spraying inside houses or egg-collection areas. Fewer mosquitoes also means less animal stress, which helps productivity long-term.
Q: Could the team carry pathogens onto my farm?
A: We follow your biosecurity measures strictly: boot changes, equipment disinfection, and designated routes.
Q: How often should a farm spray?
A: Farms with treatment ponds near plantations: every 2 weeks in rainy season, with continuous larval management.
Dengue information: Department of Disease Control | World Health Organization
A Good Farm Protects Its Animals and Its People — Don't Let Mosquitoes Harm Either
If mosquitoes swarm your farm's treatment pond and workers' housing, bring in a team that truly understands farms.
See Our Mosquito Spray Service — Click Here
Call 065-556-6294 | LINE: @whd268 | Free farm survey and quotation