1. Mechanics: Flexibility vs. Rigidity
Silicone Flexibility
- Silicone liners maintain their shape even after repeated rinsing cycles in water up to 90°C. They do not stretch or lose their original performance parameters.
- Optimal vacuum: Thanks to uniform elasticity, silicone ensures even pressure on the teat, improving milking completeness and reducing milk residue.
Rubber Resilience
- Faster milk flow: Rubber, being more resilient, may trigger a massaging impulse more quickly, speeding up flow, but this often comes at the cost of pressure instability.
- Irritation: The higher tension of smooth rubber can cause micro-damage to the teat skin, leading to long-term health issues.
- Practical tip: If you use hot water for disinfection, silicone is less prone to parameter changes than rubber.
2. Chemistry and Hygiene: Resistance to Cleaning Agents
Resistance to Detergents and Disinfectants
- Silicone: It does not absorb fats or proteins from milk, preventing residues from settling in the material’s structure. Contact with chlorine-based disinfectants does not release harmful compounds.
- Rubber: Over time, it absorbs milk and detergents, promoting bacterial growth, and intensive cleaning can lead to cracks and faster wear.
Biofilm Reduction
- Silicone’s smooth structure makes it harder for biofilm to adhere and develop.
- Rubber requires more frequent replacement and aggressive cleaning methods.
3. Durability and Cost: Long-Term Investment
Material Longevity
- Silicone: On average, 1,500–5,000 hours of operation without losing elasticity, potentially lasting 2–3 seasons of intensive use.
- Rubber: In harsh conditions (high temperatures, aggressive agents), it often needs replacement after 500–1,000 hours.
TCO (Total Cost of Ownership)
- The higher purchase price of silicone liners is offset by less frequent replacements, lower storage costs, and reduced logistical handling.
- Rubber incurs additional costs for machine maintenance and potential treatment of cows with irritations.
4. Animal Comfort and Farm Efficiency
Reduced Stress During Milking
Silicone’s gentler transition between suction and release phases minimizes discomfort. Cows that experience no pain produce more milk and return to full lactation faster.
Production Stability
Greater comfort leads to a more predictable milking rhythm and better milk quality. Fewer cases of mastitis and teat injuries mean lower veterinary costs and less discarded milk.
Summary: Which Option to Choose?
Choose silicone if you prioritize:
- Higher hygiene and resistance to cleaning agents.
- Maximum liner durability.
- Animal comfort and stable efficiency.
Regardless of your choice, regularly monitor the condition of liners and replace them according to the manufacturer’s recommendations. This ensures optimal performance and safety for both you and your cows.
Dairy Craft – Your partner in modern and efficient milking.
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