Solo Port 423 Backpack Sprayer for Farm Biosecurity ASF & Lumpy Skin Control

Last updated: 8 Jun 2026 | 18 Views |

Solo Port 423 Backpack Mist Blower — Farm Biosecurity at Scale
The Government Solution for ASF, Lumpy Skin Disease, and Livestock Outbreak Control. SOLO Germany. Distributed by WHD Thailand.

The Morning the Outbreak Arrived — Ban Dung District, Udon Thani Province

It was the first Wednesday of March when Sommai Wongkaset, a commercial pig farmer in Ban Dung District, Udon Thani Province, noticed something wrong. Pigs in pen number three were running high fevers, refusing feed, and developing darkened blotchy patches on their skin. He called the district livestock officer immediately. Within the hour, Dr. Thanakorn Phuttiphan from the Udon Thani Provincial Livestock Office arrived with a response team.

Initial assessment pointed to one of two terrifying possibilities: Lumpy Skin Disease (LSD), spreading rapidly through insect vectors across the region — or in the worst case, African Swine Fever (ASF), a disease with a near-100% mortality rate in pigs and no available vaccine. The provincial livestock office immediately declared a disease-control zone and ordered full disinfection of all farms within a 5-kilometre radius — without delay.

What the Response Team Faced in the First Hours:

Affected farms within the 5 km radius covered over 200 rai (320 acres) — all requiring disinfection within the first 24 hours
The local Sub-district Administrative Organisation (SAO/อบต.) had only 8 manual hand sprayers and 5 available staff
Three vehicle checkpoints on main roads needed to disinfect every truck entering and exiting — but no equipment could reach effectively under vehicle chassis
Pens, drainage channels, and surrounding fields were full of potential disease vectors
Time lost to repeated chemical mixing and tank refilling delayed the disinfection response by more than 6 hours

This situation exposed a painful truth: when an outbreak strikes, many Thai government units still lack equipment powerful and agile enough to respond at the scale of a modern commercial farm. Every hour of delay is another hour in which ASF or Lumpy Skin Disease can escape to neighbouring farms. The economic, social, and food-security consequences are immense — and preventable.

The Hidden Damage — What a Farm Outbreak Really Costs

Damage 1 — Catastrophic Economic Losses for Farmers and the Nation

The ASF outbreaks across Thailand between 2019 and 2023 caused pork prices to surge to 200–250 THB per kilogram as national pig populations collapsed. Individual farmers lost entire herds, their livelihoods, and accumulated debt — many abandoning multi-generational farming careers. Consumers bore the cost of skyrocketing food prices. Rapid, effective disease containment is not simply an animal welfare issue — it is a national food security issue, and speed of response is everything.

Damage 2 — Large Farm Areas That Manual Sprayers Simply Cannot Cover

Modern commercial livestock farms range from 20 rai to hundreds of rai, with multiple sheds, pens, waste channels, and surrounding open land — all of which must be disinfected within a narrow time window during an outbreak. A 5–20 litre hand sprayer cannot cover this scale adequately. And when it comes to disinfecting large transport trucks, feed lorries, and farm vehicles at checkpoints, manual sprayers lack the pressure and throw distance to reach under chassis structures and into metal framework where pathogens persist.

Damage 3 — Disease Vectors in Remote Areas Unreachable by Electric Equipment

Lumpy Skin Disease spreads primarily through biting insects — midges, mosquitoes, flies, and ticks. Controlling the disease means controlling insect vectors across wide areas surrounding the farm: pastures, drainage ditches, water sources, and tree lines. These areas have no electrical supply, making electric foggers impractical. Large vehicle-mounted sprayers cannot navigate narrow farm tracks and uneven terrain. A portable, petrol-powered solution is essential for reaching every corner of the disease zone.

Damage 4 — Delayed Response That Carries an Enormous Price Tag

International biosecurity standards recommend that primary disinfection of a confirmed outbreak site should be completed within 4–6 hours of confirmation. When local SAO units lack adequate equipment and must wait 12–48 hours for central DLD reinforcements, that "response window" remains open. During that window, ASF can travel on vehicles, wild birds, and insects to neighbouring farms — expanding the outbreak zone exponentially and multiplying the eventual cost of control.

Why Conventional Equipment Fails When a Large-Scale Outbreak Strikes

Manual Knapsack Pump Sprayers

Carrying 15–20 litres and requiring continuous manual pumping, hand knapsack sprayers deliver inconsistent pressure and a throw range of only 3–4 metres. They cannot spray effectively under truck chassis, up onto shed roofing, or across wide drainage channels. Disinfecting a 200 rai farm with hand sprayers requires a workforce of 15–20 people working through the day — resources that most SAO units simply do not have on emergency standby.

Vehicle-Mounted High-Volume Sprayers

Effective on open roads and wide-access areas, vehicle-mounted units are completely impractical for the narrow spaces between sheds, under structural frameworks, on slopes, and in areas where vehicle access is impossible. They require separate driver and operator teams, carry high operating costs, and cannot enter the tightly configured internal areas of a working commercial farm where biosecurity exposure is highest.

Waiting for Central Government Reinforcements

During an active outbreak, the DLD central response teams are simultaneously managing multiple sites. Waiting 12–48 hours for reinforcements is common — but internationally unacceptable from a biosecurity standpoint. The 4–6 hour primary disinfection window closes before help arrives. The "response gap" is not a failure of people — it is a failure of locally-available equipment, and it is entirely solvable.

The conclusion: farm biosecurity demands equipment that is fast, mobile, powerful, and immediately available.
Solo Port 423 is specifically engineered for exactly this scenario.

Solo Port 423 — SOLO Germany Motorized Backpack Mist Blower

Every specification built for rapid, effective livestock disease control in the field.

Technical Specifications — Built for Field Operations

72.3cc

2-stroke petrol engine, 3.0 kW / 4.1 HP

12 L Tank

Evolution models: 14 / 18 L available

~23,333 L/min

Peak air volume — long throw distance

~80 min

Runtime per fill / Fuel ~1 L/hour

Dry weight ~12 kg | Handles both ULV liquid AND powder/granule formulations | German SOLO engineering

View Product & Pricing — Click Here

10 Reasons Thailand's Livestock Agencies Choose Solo Port 423 for Farm Biosecurity

Disinfects Large Farms Fast — Before Disease Can Escape

With peak airflow of 23,333 litres per minute and a long-throw nozzle, a single operator running Solo Port 423 can cover a medium-scale farm (20–30 rai) in just a few hours — versus a team of 10+ staff and a full working day using hand sprayers. In the race to contain ASF and LSD within the international 4–6 hour response window, this speed differential is the difference between containment success and outbreak spread.

Fully Cordless — Every Corner of the Farm is Reachable

The 72.3cc petrol engine requires no electrical supply whatsoever. Distant pasture areas, drainage channels, fence lines, remote outbuildings, rough terrain — every part of a farm that would be inaccessible to electric equipment is within reach. For large commercial farms with no electrical infrastructure in their outlying areas, this is a non-negotiable operational requirement.

Effectively Disinfects Under Truck Chassis at Vehicle Checkpoints

The high-pressure airflow and extended throw distance of Solo Port 423 allow operators to project disinfectant directly under the chassis of 18-wheel trucks, into wheel arches, and through complex metalwork — the exact areas where ASF virus particles persist on transport vehicles and where hand sprayers are simply ineffective. Proper checkpoint disinfection is the single most important barrier preventing inter-farm disease transmission via vehicles.

Controls Lumpy Skin Disease Insect Vectors Across Wide Areas

Lumpy Skin Disease control requires more than surface disinfection — it demands elimination of biting insect vectors across the surrounding landscape. Solo Port 423 can apply insecticide over wide open areas: pastures, tree lines, water edges, and the broader farm perimeter where midges and mosquitoes breed and harbour. One machine handles both "surface disinfection" and "vector control" — closing the complete biosecurity loop.

Handles Liquid AND Dry Powder/Granule — Maximum Biosecurity Flexibility

Solo Port 423 is designed to handle both ULV liquid disinfectants and dry powder or granule formulations — including lime powder, dry insecticides, and granulated biosecurity agents used at pen perimeters. This dual capability means a single piece of equipment satisfies multiple biosecurity protocols simultaneously, eliminating the need for separate specialised tools and reducing procurement cost per function.

Reduces Chemical Consumption by 30–50% with ULV Technology

ULV fine-mist technology generates micron-sized droplets that achieve greater surface coverage per millilitre of disinfectant compared to coarse conventional spray. During an emergency outbreak where large volumes of disinfectant are needed rapidly, chemical efficiency is a critical operational factor. Reduced consumption means emergency budgets stretch further — funding the second and third phases of containment without requiring supplementary appropriations.

Lightweight Ergonomic Design — Operators Work All Day in the Field

At approximately 12 kg dry weight, with an ergonomically designed backpack harness that distributes load evenly, livestock officers and SAO personnel can wear and operate the Solo Port 423 for extended periods without excessive fatigue — critical in Thailand's hot, humid climate where prolonged field operations are physically demanding. Greater operator endurance translates directly into greater area coverage per team per day.

SOLO Germany Build Quality — Withstands Heavy Chemicals and Harsh Conditions

SOLO has manufactured professional spraying equipment in Germany for decades, deployed by agricultural ministries, military units, and public health organisations globally. Materials are resistant to acids, alkalis, moisture, and high temperatures — critical properties when operating with the concentrated disinfectants required for ASF and LSD control, in Thailand's demanding tropical field conditions. This is equipment built to last through years of heavy use.

Qualifies for SAO and DLD Government Procurement — Long-Term Asset Value

Solo Port 423 qualifies as durable livestock or agricultural equipment eligible for procurement through Thailand's electronic government procurement system (e-GP), under capital expenditure budgets for disease prevention and control. WHD provides complete procurement documentation: formal price quotations, technical specifications, warranty certificates, and tax invoices — everything required by government procurement committees for compliant processing.

Builds Farmer Confidence — Government Visibly Protecting Livelihoods

When farmers see government officers arriving quickly with professional, powerful equipment and completing comprehensive disinfection within hours of an outbreak report, confidence in the public livestock health system rises significantly. Farmers report sick animals earlier — the single most critical factor in outbreak containment. The social return on visible, capable government response is as important as the direct disease-control outcome.

Before vs After: ASF / Lumpy Skin Disease Response with Solo Port 423

BEFORE — Without Solo Port 423

8-person team, full day: only 30% of farm area covered
Vehicle checkpoint: no equipment to spray under truck chassis
Waited 18 hours for provincial DLD reinforcements
Disease spread to 3 neighbouring farms before containment
Chemical and emergency labour cost: 45,000 THB per incident
Insect vectors in farm surroundings not eliminated

AFTER — SAO Equipped with Solo Port 423

2-person team: 100% farm coverage achieved within 4 hours
Under-chassis vehicle disinfection at checkpoints effective
Emergency response deployed immediately without waiting
Disease contained to source farm — no spread to neighbours
Cost per incident reduced to 12,000 THB (73% saving)
Insect vector control in farm perimeter completed simultaneously

Net result: 73% cost reduction per incident — and far more importantly, the disease was stopped at source, preserving the livelihoods of farmers across the entire district.

From the Field — A Livestock Officer's Account

"During the heavy ASF outbreak last year, I was stationed at the vehicle checkpoint on Route 2. We were spraying every truck that came through, but with a hand sprayer, there was no way to get under an 18-wheeler flatbed trailer properly. When we got the Solo Port 423, it changed everything. The power was there, the reach was there — we could get disinfectant into every recess of a truck's underframe. And at farms with no electricity available, we could operate anywhere without extension leads. Since using it, I actually feel like we're making a real difference — not just performing a procedure."

Mr. Amnuay Sittikul (representative account)

District Veterinary Officer, Udon Thani Provincial Livestock Office

Reference Standards and International Biosecurity Guidance

World Health Organization (WHO — who.int) — International guidance on zoonotic disease control and One Health biosecurity frameworks
Department of Livestock Development, Thailand (dld.go.th) — Official Thai protocols for ASF, Lumpy Skin Disease, and farm biosecurity standards
World Health Disinfection — WHD Thailand — Leading supplier of professional biosecurity and disease-control equipment for Thai government livestock agencies

FAQ — Solo Port 423 for Livestock Farm Biosecurity

Q1: What disinfectants approved for ASF control are compatible with Solo Port 423?

A: Solo Port 423 is compatible with the disinfectants recommended by Thailand's DLD for ASF control, including diluted formaldehyde solutions, high-concentration sodium hypochlorite, and quaternary ammonium compound formulations at prescribed dilution ratios. WHD can advise on optimal chemical selection based on the specific disease being controlled and the formulation requirements.

Q2: Can general SAO staff operate Solo Port 423 without specialised training?

A: Yes. Solo Port 423 is designed for straightforward operation. WHD provides hands-on training covering safe operation, PPE requirements, chemical mixing protocols, basic maintenance, and emergency procedures. Training typically takes 2–4 hours, after which staff without any prior technical background can operate the machine confidently and safely in the field.

Q3: How does an SAO or provincial livestock office initiate procurement?

A: Solo Port 423 is procurable through Thailand's electronic Government Procurement (e-GP) system as durable agricultural or livestock equipment, or under emergency disease-control appropriations. WHD is registered to supply through government procurement channels and provides full supporting documentation for procurement committees, including formal price quotations, product technical specifications, and warranty documentation.

Q4: What is the warranty coverage and where can the equipment be serviced in Thailand?

A: Solo Port 423 comes with manufacturer warranty coverage. WHD Thailand provides full in-country service, repair, and spare parts — no international shipping required. Key consumables including spark plugs, air filters, and nozzle components are stocked by WHD for prompt replacement, minimising equipment downtime during active operations.

Q5: What PPE is required when operating Solo Port 423 during ASF response?

A: Minimum PPE requirements include: N95 or P100 respirator mask, eye protection (goggles), chemical-resistant gloves, a gown or Tyvek coverall, and rubber boots. For ASF response involving high-concentration disinfectants, full PPE as specified by DLD biosecurity protocols is required. WHD provides PPE guidance specific to each chemical formulation and can advise on complete protective equipment packages.

Q6: How does Solo Port 423 compare to a standard electric ULV fogger for farm use?

A: Key differences: (1) Solo Port 423 is fully cordless — operational anywhere on a farm regardless of electrical infrastructure; (2) The 4.1 HP petrol engine delivers significantly greater airflow and throw distance than standard electric ULV motors, critical for open-area and vehicle checkpoint coverage; (3) Compatibility with dry powder/granule formulations gives it flexibility that liquid-only electric foggers cannot match. For farm biosecurity operations, the petrol-powered backpack format is definitively superior.

Related Products and Services from World Health Disinfection

Ready to Protect Your District's Farms and Farmers?

Solo Port 423 is ready to be the frontline weapon in your agency's arsenal against ASF, Lumpy Skin Disease, and the next livestock outbreak.
Contact WHD today for a formal quotation and complete government procurement documentation.