Description PYthon II is a slow-release, plastic ear tag containing a synergized formulation of zeta-cypermethrin, a potent, enriched S-isomer pyrethroid compound. This insecticide has excellent activity against many pests, including horn flies that are resistant to certain other insecticides. A high loading of piperonyl butoxide synergizes this S-isomer and dramatically reduces the effect of pyrethroid resistance. PYthonâs exclusive Tri-Polymer matrix of non-toxic inert ingredients delivers a high ratio of synergist to insecticide for maximum insect-killing action.PYthon is a fast-acting, sustained-release ear tag containing a new, synergized S-isomer pyrethroid compound, making it the newest and most technologically advanced insecticidal ear tag registered by the Australian Pesticides & Veterinary Medicines Authority for Buffalo fly, Cattle Biting Lice and Paralysis Tick control. PYthon has excellent activity against Buffalo flies, including Buffalo flies that are resistant to certain other insecticides. A high loading of piperonyl butoxide synergizes this S-isomer and dramatically reduces the effect of pyrethroid resistance, making PYthon ideal for rotation with diazinon tags. PYthon's exclusive Tri-Polymer matrix of non-toxic inert constituents continuously delivers a high ratio of synergist to insecticide for maximum insect-killing action. PYthon's net weight of 9.5 grams allows it to be used on cattle of all ages.Use the Y-Tex Python Insecticide Cattle Ear Tag on beef and dairy cattle and calves to help control horn flies, biting lice, face flies, stable flies, house flies and sucking lice. These insecticide ear tags for livestock utilize synergized pyrethroid for effective performance. With a blank design, the fly tags for cattle are easy to mark for identification purposes. This ear tag fly control solution offers safe use with lactating animals.Product Features:Fly tags for cattle for use with Y-Tex Ultra Tagger and Ultra Tagger Plus Applicator (sold separately)Pack of 20 tags to keep you stocked upSynergized pyrethroid offers effective ear tag fly controlInsecticide ear tags for livestock control horn flies, face flies, biting lice, Gulf Coast ticks and spinose ear ticksAids in control of sucking lice, stable flies, black flies, house flies and small horse fliesFor use on beef and dairy cattle, including lactating animals and calvesBlank tags are easy to markEffectiveness:For up to 4 months control of susceptible Buffalo Flies and aids in control of Cattle Biting Lice on beef and dairy cattle and aids in control of Paralysis Tick on suckling beef and dairy calves for up to 42 days after treatment.