Zoetis has introduced Excenel RTU EZ (ceftiofur hydrochloride) Sterile Suspension. The anti-infective for cattle and swine has a lower viscosity formulation that improves syringeability by 40%, the company said. With the improved syringeability, product users will only need to apply 60% of the force required to administer the previous formulation. Producers and veterinarians will especially notice the change during colder weather, Zoetis said. The improved formula offers the same approved uses for which the brand is known, the announcement said. The only changes customers will note are in a four-day meat withdrawal for cattle and a change in the administration for swine so not to inject more than 5 mL per injection site.