1-800-433-6340 or
Shopping Cart (0)
Farm & Livestock

Y-Tex® PYthon® Magnum™ Insecticide Cattle Tag - 20 Pack

, 1857000
QC Supply Part #: 141115
Shipping: Standard
Availability: In stock

This tag is designed for extended insecticide release.


PYthon® Magnum™ is a sustained-release, plastic ear tag containing a synergized formulation of zetacypermethrin, a potent, enriched S-isomer pyrethroid compound.

This insecticide is effective against many pests, including horn flies that are resistant to other insecticides. PYthon® Magnum's™ larger net weight of 15.4 grams per ear tag provides greater insecticide release for maximum effectiveness.


  • 1 tag per head on beef and dairy cattle, including calves over 3 months of age and lactating dairy cows
  • The only synergized pyrethroid ear tag with 15.4 grams net weight providing, in nearly all cases, 62% more active ingredient than similar competitive tags
  • Maximum pest control potency and economy against horn flies, face flies, stable flies, house flies and lice
  • Designed for extended insecticide release
  • No withdrawal time required for either milk or meat
  • Y-TEX® patented Snap-Lok™ collar for guaranteed retention against tag or button failure for 5 months
  • Ideal for rotation with WARRIOR™, Optimizer™ or other organophosphate tags to help manage horn fly resistance to insecticides
  • Active Ingredient: Zetacypermethrin — 10%

Contents: 20-pack with buttons

Attach using the Y-Tex® Ultra Tagger (#140327), sold separately.

Also available: #141115-100 Python® Magnum™ Ranch Pack (box of 100)

Open packages cannot be returned.

Brand Y-Tex
Manufacturer Part Number 1857000
Ear Tag Type Insecticide
Animal Cattle



Manuals & Resources


Customer Reviews

Write Your Own Review

How do you rate this product?

Leave a review

* Required Fields

You might also like:

Orders Ship Within 24 Hrs