Healthier cattle for buyers. Greater profits for ranchers. Everybody wins with SelectVAC®.

Millions of calves have been enrolled. Yours can be next. Enroll now. SelectVAC® preconditioning program.

Sell healthier, higher-value cattle.

SelectVAC® from Zoetis is the largest and longest-standing branded preconditioning program of its kind, proven on millions of calves. Here’s why:

  • SelectVAC® calves are healthy. Thanks to trusted Zoetis brands like
  • SelectVAC® calves earn more per head. Calves preconditioned with a program like WeanVAC earned $67.24 more per head than nonpreconditioned calves in 2011.1
  • SelectVAC® gives you options. With flexible designations, it’s no wonder SelectVAC® from Zoetis is the largest and longest-standing, branded preconditioning program of its kind, proven on millions of calves.

What is the value of preconditioned calves to buyers?

Price Differential on 540-lb. Calf: VAC Programs vs. Nonvaccinated Program(2)

A feedlot study demonstrated the following improved health performance of WeanVAC calves.
  • Less illness – WeanVAC calves were more than four times less likely to get sick.2
  • Lower treatment cost – $6.44 less per WeanVAC calf.2
  • Increased gain – WeanVAC calves gained 36 more pounds in the first 85 days.2
  • Increased profit – When adjusted for days on feed, WeanVAC calves earned up to $33.71 more net profit/head versus calves of unknown history and $22.35 more net profit/head than other health program calves.3

Enroll now.

Click here for downloadable enrollment form.

Click on a SelectVAC® designation to learn more.

PreVAC PreVAC+ WeanVAC StockerVAC
Important Safety Information for DECTOMAX: DECTOMAX Injectable has a 35-day pre-slaughter withdrawal period. DECTOMAX Pour-On has a 45-day pre-slaughter withdrawal period. Do not use in dairy cows 20 months of age or older. Do not use in calves to be processed for veal. DECTOMAX has been developed specifically for cattle and swine. Use in dogs may result in fatalities.

Based on a 566-lb. average weight, according to 2011 data.


1King ME. The effects of health and management programs on the sale price of beef calves marketed through 10 Superior Livestock video auctions in 2011. Final Report, Zoetis Inc. 2011.
2Data on file, Study Report No. 3933R-60-03-342, Zoetis Inc.
3Seeger JT, Grotelueschen DM, Stokka GL, et al. Comparison of the feedlot health, nutritional performance, carcass characteristics, and economic value of unweaned beef calves with an unknown health history and of weaned beef calves receiving various herd-of-origin health protocols. Bov Pract 2008;42(1):1-13.

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The product information provided in this site is intended only for residents of the United States. The products discussed herein may have different label indications in different countries. The Animal Health Information contained herein is provided for educational purposes only and is not intended to replace consultation with your Veterinarian. All decisions regarding Animal Health care must be made with a Veterinarian, considering the unique characteristics of each operation and Producer's situation.