BackLine Pour-on 4L
Engage BackLine Pour-On Insecticide 4 L (permethrin 5%, PCP Reg. No. 31712): labelled for lice, horn flies and wood ticks on cattle. Read the label.
Payment and Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Details
BackLine Pour-On Insecticide is an Engage Animal Health permethrin pour-on for cattle, supplied here in the 4 L container. It is registered under the Pest Control Products Act (Registration No. 31712) and is regulated as a pesticide by Health Canada; the label lists the active ingredient as "Permethrin 5.0% w/w". What the label covers, quoted from the Canadian label: "For control of biting lice, sucking lice, horn flies and Rocky Mountain wood ticks (Dermacentor andersoni)" for beef cattle and dairy cattle; the label reads "FOR BEEF CATTLE AND LACTATING AND NON-LACTATING DAIRY CATTLE ONLY". Directions, from the label: "Apply 3 mL (0.1 fl. oz) per 45 kg (100 lbs) body weight up to a maximum of 30 mL (1 fl. oz) for one animal. Pour along the back and down the face taking care to avoid the eyes, nose and mouth." "DO NOT repeat treatment for at least 14 days." "Treatment must only be repeated after 14 days if pest problem persists or reoccurs. DO NOT apply more than 2 applications/animal/year." Withdrawal and cautions, from the label: "Leave a one day interval between last application and slaughter." "For Dairy Cattle, DO NOT use this product in combination with any other permethrin treatment." This is a cattle product; the label does not list other species. Read the full label before use and follow it exactly; ask your veterinarian about parasite control timing for your herd. Source: Health Canada Pesticide Label Search, label for BACKLINE POUR ON INSECTICIDE (PCP Reg. No. 31712, Engage Animal Health Corporation), version dated 2025-08-01, viewed October 2026.
Specifications
- Brand
- Engage
- Product name
- BackLine Pour-on 4L
- UPC / GTIN
- 669603000413
- Category
- Animal › Cattle › Dewormers and Parasite Control
- Sold by
- Pipestone Farm Supply, Millet, Alberta
- Availability
- In stock
- Size/Volume
- 4 L
- Form
- Pour-on liquid
- Active Ingredient
- Permethrin 5.0% w/w
- Target Species
- Cattle (per label)
- PCP Registration No.
- 31712
Features
- 4 L container; label active ingredient Permethrin 5.0% w/w
- Registered under the Pest Control Products Act (Reg. No. 31712); regulated as a pesticide by Health Canada
- Label: biting and sucking lice, horn flies and Rocky Mountain wood ticks on beef and dairy cattle
- Label dose 3 mL per 45 kg, maximum 30 mL per animal; not more than once every 2 weeks
- One-day interval between last application and slaughter, per the label
Customer reviews
More from Engage
View all Engage
- Read the guide: Cattle Lice Pour-Ons in Canada: Lice-Away, BackLine and Bimectin by Label
Lice-Away, BackLine and Bimectin Pour-On compared from their Canadian labels: rate per animal, the 14-day and two-a-year repeat limits, slaughter intervals and the dairy rules.
- Read the guide: What Does DIN Mean on a Veterinary Product? Health Canada's Definition
Health Canada's definition of a Drug Identification Number (DIN), what the Drug Product Database statuses mean, and the veterinary products we list with their DIN cited.
- Read the guide: Heated Water Buckets and Stock Tank De-Icers: Keeping Livestock Water Open Through an Alberta Winter
How to match a K&H stock tank de-icer, bucket heater, heated base or heated bowl to the horses, cattle, poultry, dogs and barn cats you keep — and set it up safely.