Take deworming to the pasture with SAFE-GUARD® feed formulations
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95% of parasites aren’t living in your herd—they’re living in your pastures.1 SAFE-GUARD (fenbendazole) feed formulations make it easy to add a crucial dose of dewormer during grazing periods to help break parasite life cycles and prevent shedding back into your pasture.
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Below are some of the most common questions about using SAFE-GUARD feed.
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What types of feed are there?
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SAFE-GUARD offers a variety of feed formulations, including blocks, pellets, cubes and more. Choose the one that fits your operation and management style.
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Are feed formulations effective?
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Yes, SAFE-GUARD feed formulations surpass the 90% parasite reduction threshold required2 for successful deworming, without the need to treat cattle chute-side.
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How do I know how much to give?
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Dosage depends on which SAFE-GUARD product you are using. Use our online calculator to determine the right amount based on your herd size.
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0.5% Pellets: 1lb. per 1,000 lbs. of cattle
Medicated 1.96% Flake Meal: 1/4lb. Per 1,000 lbs. of cattle (1 25 lb. pail treats 98,000 lbs.)
20% Protein Block and ENPROAL® Molasses Block: One block treats 8,000 lbs. of cattle
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How do I know feed formulations will work?
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The cumulative dose effect of fenbendazole ensures cattle build up a lethal dose over a few feedings. Free-choice options use salt as a limiter to help ensure dominant animals step aside after their dose so the rest of the herd can get theirs.
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A comprehensive set of 12 studies have demonstrated that SAFE-GUARD blocks, cubes, pellets and free-choice mineral are effective at keeping cattle clean:
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- 12 studies show higher than 91% efficacy for Safe-Guard feed formulations3-14
- 6 studies show an average extra gain of 40 lbs.in stocker cattle15-20
- 4 studies show an average weaning weight increase of 31 lbs16, 21-23
- 4 studies show a 16% increase in average daily gain4, 18, 19, 24
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Where can I buy SAFE-GUARD feed?
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Check with your local feed or farm supply store that carries Merck Animal Health products. Many retailers keep SAFE-GUARD feed in stock or can order them at your request.
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Clean up your herd and your pastures with the proven deworming performance of SAFE-GUARD feed formulations
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References 1 Herd, R. Strategies for Nematode Control in Cattle. Modern Veterinary Practice, 1985. 2 Coles, et. al. WAAVP methods for the detection of anthelmintic resistance in nematodes of veterinary importance. 3 Intervet Safeguard Technical Bulletin Part Number A640416. 2001. 4 Hoechst-Roussel Agri-Vet Company Study Number A640468. 5 Blagburn BL, et al. Efficacy of fenbendazole medicated feed blocks against gastrointestinal nematode infections in calves. Am J Vet Res. 1987;48(6):1017-1019. 6 Blagburn BL, et al. Evaluation of three formulations of fenbendazole (10% suspension, .5% pellets and 20% premix) against nematode infections in cattle. Am J Vet Res. 1986;47(3):834-836. 7 Saad MB, et al. Efficacy of Fenbendazole against adult Dictyocaulus viviparus in experimentally infected calves. Am J Vet Res. 1977;38(9):1427-1428. 8 Crowley JW, et al. Further controlled evaluations of fenbendazole as a bovine anthelmentic. Am J Vet Res. 1977;38(5):689-692. 9 Bliss DH. Comparative evaluation of fenbendazole (5mg/kg) administered either via a free-choice mineral or in a 10% oral suspension and ivermectin (100 or 200 mcg/kg) administered subcutaneous. 10 Miller JE. Efficacy of Safeguard En-Pro-Al molasses deworming supplement blocks against inhibited larvae of Ostertagia ostertagia. Southern Conference on Animal Parasites. 1989. March 26-28. Abstract #75. 11 HRVET Study No 97-0020. 12 Smith SJ, et al. Effects of Safeguard free choice protein blocks on trichostrongyle nematodes in pastured cattle from eastern South Dakota. Proc. South Dakota Academy of Science. 2012;91. 13 Williams JC, et al. Efficacy of a spring fenbendazole treatment program to reduce numbers of Ostertagia ostertagi inhibited larvae in beef stocker cattle. Vet Parasitol. 1995;59(2):127-137. 14 Reinemeyer CR, et al. Larvicidal efficacy of three formulations of fenbendazole against experimentally-induced gastrointestinal nematode infections in cattle. Intervet Research Report. 15 Smith RA, et al. Pasture deworming and (or) subsequent feedlot deworming with fenbendazole. I. Effects on grazing performance, feedlot performance and carcass traits of yearling steers. Bov Pract. 2000;34(2):104-114. 16 Taylor FT. Effects of a strategic deworming program in beef cattle with subclinical parasitism in the western United States. BCVA Edinburgh. 1996. 17 Rowland W, et al. Effects of strategic deworming with Safeguard, Gainpro supplementation and (or) implantation with Revalor-G on grazing performance of stocker steers. 2000. 18 Hoechst-Roussel Agri-Vet Company Study Number A640438. 19 Hoechst-Roussel Agri-Vet Company Study Number A640039. 20 Miller JE, et al. Effect of fenbendazole molasses supplement block treatment on nematode infection and subsequent weight gain of weanling beef calves. Vet Parasitol. 1992;44(3-4):329-337. 21 Kvasnicka WG, et al. Fenbendazole in a strategic deworming program. The Compendium. Food Animal Parasitology. 1996;18(4):113-117. 22 Wholgemuth KM, et al. Deworming beef cow and calves with fenbendazole: effect on weaning weight of calves. North Dakota Farm Research Bimonthly Bulletin. 1990;48(4):27-30. 23 HRVET Study GHM/19. Cow/calf producers in the northern plains have wondered if parasite control can pay for itself. 1990. 24 Keith EA. Utilizing feed grade formulations of fenbendazole for cattle. Agri-Practice. 1992;13(1):17.
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