Elanco Animal Health Cydectin Pour-On Dewormer
Last reviewed: December 2025
Moxidectin-based pour-on dewormer - the only macrocyclic lactone approved for use on lactating dairy cattle with zero milk and meat withdrawal.
Cydectin Pour-On from Elanco contains moxidectin, a second-generation macrocyclic lactone that provides broad-spectrum control of internal and external parasites in cattle. It is the only dewormer in its class approved for use on lactating dairy cattle with zero milk withdrawal.
The pour-on formulation controls gastrointestinal roundworms, lungworms, cattle grubs, mites, and sucking/biting lice with a single application. Extended protection lasts 28 days for stomach worms and 42 days for lungworms.
Cydectin demonstrates 72-84% efficacy in independent studies, making it an effective choice for parasite control programs, especially when used in rotation with other dewormer classes.
Key Features
- Zero Dairy Withdrawal: Approved for lactating dairy cattle with no milk or meat withdrawal
- Broad Spectrum: Controls 33 species of internal and external parasites
- Extended Protection: 28-42 days of persistent activity against key parasites
- Convenient Application: Pour-on formulation for easy topical application
- Eco-Friendly: Dung beetle and earthworm friendly compared to some alternatives
Advanced Features
- Purple Dye Marker: Visual identification of treated animals
- Oil-Based Formula: Weatherproof formulation resistant to rain wash-off
- Second-Generation ML: Improved efficacy over first-generation avermectins
- Grub Timing Flexibility: Can be used during grub season when properly timed
Ideal For
Farm Types: Dairy farms, Beef operations, Cow-calf ranches, Grazing operations
Competitive Advantages
What sets Cydectin Pour-On Dewormer apart from alternatives:
- Only macrocyclic lactone pour-on approved for lactating dairy with zero withdrawal
- Higher efficacy than many first-generation avermectins
- Extended persistent activity reduces retreatment frequency
- Environmentally friendly with minimal impact on dung beetles
- Purple dye provides easy visual confirmation of treatment
Pricing Information
Here is the pricing information for Cydectin Pour-On Dewormer:
Available in multiple container sizes for different herd sizes
Pricing Model: per-unit
Prices vary by retailer. Veterinary guidance recommended for strategic deworming.
Pros & Considerations
- Extended duration moxidectin efficacy
- Easy pour-on application reduces handling
- Controls broad spectrum of parasites
- Weather-resistant formulation
- Proven field performance
- Veterinary prescription required
- Withdrawal times for meat
- Strategic use needed for resistance management
- Premium pricing compared to older products
Implementation & Setup
How to implement Cydectin Pour-On Dewormer on your dairy operation:
Implementation Timeline: Immediate use upon purchase
Training & Support
Training and support options available for Cydectin Pour-On Dewormer:
Support Channels:
Evaluation Questions
Key questions to consider when evaluating Cydectin Pour-On Dewormer:
- Do you need a dewormer approved for lactating dairy cattle?
- What parasites are most problematic in your herd (based on fecal testing)?
- What dewormer classes have you used recently (for rotation planning)?
- What is your current strategic deworming schedule?
- Have you experienced dewormer resistance on your farm?