Merial Zimecterin Single Dose Paste Dewormer

Item# 628
Not for human consumption.
Product excluded from further discount
Qualifies for FREE standard shipping on orders over $70
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Zimecterin (ivermectin) by Merial is a trusted broad-spectrum paste dewormer. Controls a wide variety of important internal parasites, including bots and benzimidazole-resistant small strongyles with a single dose. Anthelmintic and Boticide.

Product Details:

  • Contains ivermectin 1.87% a trusted broad-spectrum paste wormer
  • Safe for adult horses and foals as young as 6 weeks of age, and may be used in mares at any stage of pregnancy.
  • One 6.08 gm syringe treats up to 1250 lb


  • Small Strongyles
  • Large Strongyles
  • Bots
  • Ascarids (Roundworms)
  • Pinworms
  • Summer sores
  • Lungworms
  • Hairworms
  • Large-mouth Stomach Worms
  • Neck Threadworms
  • Intestinal Threadworms

WARNING! A number of Ivermectin Dewormers contain the anti-parasite active ingredient Ivermectin. Despite media reports that Ivermectin could be used to treat people with COVID-19, these products are not safe or approved for human use, which could cause severe personal injury or death.

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Customer Reviews

Average Rating:

(based on 13 reviews)

Chapman, ME
December 10, 2018
"Always good results"
November 06, 2018
"Big Dees has the best price for wormers. Ordering is very easy and shipping is handled quickly. "
Corry, PA
September 27, 2018
"Big Dee's has the best prices on wormers. Super quick shipping too. I really love their customer service. "
Greenville, TX
March 09, 2017
"Best price for single dose Zimecterin that I have ever seen, even in a multidose pak. Great deal for a great product."
April 12, 2016
"Have used zimecterin paste wormer as part of my deworming rotation for years with good results."