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MERIAL^® Products for Dairy Herd Health

MERIAL^® products include the dairy industry's leading options for parasite control, our expanding line of high-quality vaccines, and other products you and your veterinarian can use to treat or prevent diseases of dairy cattle.

MERIAL Dairy Cattle Vaccines

To learn more about the entire line of MERIAL products, click on the product name below:

IGENITY^TM Testing Service
IGENITY is a revolutionary new way to identify an animal’s genetic potential, helping producers to breed, raise, manage, milk and market at an optimum level. IGENTY Testing gives dairy producers the ability to know now, instead of discovering an animal’s potential only after seeing it succeed or fail in the milk string...

EPRINEX^® (eprinomectin)
Pour-On for Beef and Dairy Cattle
EPRINEX® (eprinomectin) Pour-On is the strongest, most potent parasite control product available. EPRINEX is the only endectocide proven to increase milk production and offers the following advantages: Broadest spectrum of control, including biting and sucking lice Fastest acting Longest lasting Zero milk withdrawal Zero meat withdrawal...

CYSTORELIN^® (gonadorelin diacetate tetrahydrate)
MERIAL® CYSTORELIN® (gonadorelin) is indicated for the treatment of ovarian follicular cysts in dairy cattle. Ovarian cysts are nonovulated follicles with incomplete luteinization, which can result in nymphomania or irregular estrus. Historically, cystic ovaries have responded to an exogenous source of luteinizing hormone (LH) such as hu...

IVOMEC^® (ivermectin) Pour-On For Cattle
Producers can count on IVOMEC® (ivermectin) Pour-On for Cattle for proven results against internal worms, lice, worms and horn flies. IVOMEC Pour-On is the pioneer in broad-spectrum parasite control in a pour-on formulation, and is the brand of choice among cattle producers. IVOMEC Pour-On offers persistent activity against the most damag...

CORID^® (amprolium)
9.6% Oral Solution, 20% Soluble Powder
CORID® is the only product specifically labeled for treatment and prevention of bovine coccidiosis. Coccidia need Vitamin B1 to develop and reproduce. Structurally, CORID resembles Vitamin B1, but CORID has no nutritive value. When coccidia ingest CORID instead of Vitamin B1, they starve. The cost of CORID is negligible compared with the e...

IVOMEC^® Plus (ivermectin/clorsulon) Injection for Cattle
IVOMEC® Plus (ivermectin/clorsulon) Injection for Cattle kills more types of internal and external parasites than any other product, all in a single dose. With its reliable, long-lasting power, you can see performance benefits such as improved weight gain, feed efficiency and conception rates.1,2 The efficacy of IVOMEC against internal and ex...

IVOMEC^® (ivermectin) 1% Injection for Cattle and Swine
IVOMEC® (ivermectin) 1% Injection for Cattle and Swine is an injectable parasiticide for cattle and swine. One low-volume dose effectively treats and controls the following internal and external parasites that may impair the health of cattle: Gastrointestinal roundworms (including inhibited Ostertagia ostertagi in cattle) Lungworms...

CURATREM^®(clorsulon) 8.5% Liver Fluke Drench
CURATREM® (clorsulon) is an oral drench for the treatment of immature and adult liver fluke (Fasciola hepatica) in cattle.

J-VAC^®
Implementing proper milking procedures and providing a clean environment for your dairy cattle can help prevent mastitis, but it can also be important to use an effective mastitis vaccine. MERIAL® J-VAC® is the proven and most effective E. coli mastitis vaccine with the exclusive convenience of only two doses - all competitive vaccines r...

RELIANT^® PLUS
MERIAL RELIANT® PLUS 4-Way cattle vaccines are the effective, advanced modified live vaccines that are easy to use and give more complete protection through Dual IBRº technology. Cattle producers and veterinarians trust the Dual IBR technology of RELIANT PLUS brand modified live vaccines from Merial to provide proven, effective prevention...

RELIANT^® 4
MERIAL® RELIANT® 4 is a modified-live cattle vaccine designed to provide reliable, economical protection against IBR (infectious bovine rhinotracheitis), BVD (bovine virus diarrhea), PI3 (parainfluenza 3) and (killed) BRSV (bovine respiratory syncytial virus) in healthy cattle, including dairy cattle. The MERIAL RELIANT line of cattle vac...

RESPISHIELD™ 4
MERIAL® RESPISHIELD™ 4 is designed to provide effective, all-killed respiratory and reproductive disease protection for open or pregnant dairy cows and heifers, nursing calves, and respiratory disease protection for dairy calves. The MERIAL RESPISHIELD vaccine line is manufactured under stringent product standards that meet or exceed USD...

RESPISHIELD™ 4L5
MERIAL® RESPISHIELD™ 4L5 is designed to provide effective, all-killed respiratory and reproductive disease protection for open or pregnant dairy cows. The MERIAL RESPISHIELD vaccine line is manufactured under stringent product standards that meet or exceed USDA requirements for quality, safety and efficacy. MERIAL RESPISHIELD 4L5 cattl...