Dual-active dewormer approved for use in Canadian sheep flocks

A short-acting, oral drench offered by Zoetis — Startect— has received Canadian approval for use in sheep for treatment and control of a range of adult and immature worms, including Haemonchus contortus (barber pole), and nematode parasites including Teladorsagie and Trichostrongylus.

Startect contains two active ingredients, abamectic and derquantel, in one product so as to reduce the risk of parasite resistance. According to Zoetis, Startect has demonstrated greater than 95% efficacy against certain worms known to be resistant to other dewormers.

As with any dewormer, the use of Startect in flocks should be combined with an integrated parasite management program to preserve efficacy. An information sheet on IPM is included with every unit of Startect, the company says.

Sheep farmers are asked to contact their veterinarian to access Startect.

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