Slug and snail control is largely about protecting crop and pasture establishment during periods of peak autumn activity. Effective control relies on several key factors:
- Moisture conditions driving slug and snail activity
- Correct bait timing around opening autumn rains
- Sufficient bait points per square metre
- Pellet attractiveness and palatability
- Good rainfall persistence and pellet quality
- Re-checking paddocks 1–3 days after spreading to monitor activity and bait availability
Autumn is a critical baiting window, with feeding and breeding activity increasing rapidly following rainfall. Serious damage can occur to newly emerging and established pastures, cereals and brassicas if populations are left uncontrolled.
Molluscicides — commonly referred to as slug or snail baits/pellets — are designed to attract and control damaging slugs and snails before they impact establishment, plant density and early crop vigour.
Comparing baits
| Feature | Premium Wet-Extruded Metaldehyde Bait | 15 g/kg Bran-Based Bait |
|---|---|---|
| Pellet quality | Dense, uniform, durable pellets | Softer bran-style pellet |
| Rainfall persistence | Higher | Lower |
| Bait attractiveness | Very high | Moderate–good |
| Spreadability | More consistent spread pattern | Can be less uniform |
| Bait points/m² | Typically higher and more even | Often fewer bait points |
| Best fit | High pressure paddocks, wet conditions, crop establishment | Lower pressure paddocks, budget applications |
| Re-baiting risk | Lower | Often higher in wet conditions |
| Overall performance | Premium establishment protection | Cost-effective basic control |
High risk slug areas on your farm?
Wet weather creates an ongoing challenge with slugs and snails. Its really important farmers continue to implement pest management strategies over a period of years, depending on the level of their infestation.
Planning and implementing control methods is hampered by a lack of a distinct life cycle in slugs as they breed when moisture and temperature conditions are suitable. We suggest using mats overnight to figure out the number of snails/pests and their varying ages. Looking under the mat, and again at the ground to see if eggs have been laid.
Slugs emerge from the ground over an extended period of time, so growers need to protect seedlings during establishment. This may require multiple applications of bait.
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