AmericanaPetLawn & GardenTruck & AutomotiveClothingPoultryHeating & CoolingHorseSporting GoodsOutdoor Power EquipmentFencing & GatesLivestockOutdoor LivingPet & Animal PharmacyToolsHome ImprovementFarm & RanchBoots & ShoesTrailers & TowingHome Decor & FurnitureWild Birds & WildlifeToysGift CardsServices Propane RefillTrailer RentalGarden CenterFeed CenterSame Day DeliveryPetVet ClinicPet WashGrooming at PetsenseDog Training at PetsenseTractor Supply RxPet InsuranceWag!

"Savings and Offers"

Weekly AdSaleClearance

"More Options"

Weekly AdWhat's NewTractor Supply AppEarn Rewards with Neighbor's ClubHometown HeroesLife Out Here BlogTSC Exclusive BrandsTop BrandsClearance ItemsBattery FinderOutdoor Power Equipment Parts FinderHitch Finder

Flash Sale, In-Store Only!

|
Shop Now

Spend $49.99 to unlock Free Delivery on most orders

|
Learn More
Order statusTSC Credit CardsWhat’s newPetsenseWeekly Ad
​

Sign In / Enroll

Get rewarded!


Merck Brand Products

  1. Home
  2. /

  3. Brand: Merck

{"store_id":2314,"page_number":1,"keywords":"Merck","item":"602027799,251552299,602027699,254534299,113343599,602028099,220270599,220271399","filters":[],"availability":"","price":"","id":""}
Pet & Animal PharmacyLivestock & Farm PharmacyLivestock Fly ControlLivestock ImplantsVeterinary & First Aid SuppliesHorse PharmacyLivestockHorse

Smart Supply eligible

Auto order and save everyday

Pickup
Delivery

Smart Supply eligible

Auto order and save everyday

Sort by Most Popular

Merck (8)

Merck Ultra Boss Pour-On
Merck Ultra Boss Pour-On

Merck Ultra Boss Pour-On

4.8

(20)

$57.99-
$259.99

$57

.99

-

$259

.99

Merck Synergized Delice 1.32 Gallon
Merck Synergized Delice 1.32 Gallon

Merck Synergized Delice 1.32 Gallon

0.0

(0)

$49.99

$49

.99

Merck Allflex 50MR2 Syringe
Merck Allflex 50MR2 Syringe

Merck Allflex 50MR2 Syringe

4.8

(5)

$94.99

$94

.99

Merck U-40 Insulin Syringes, 100 ct.
Merck U-40 Insulin Syringes, 100 ct.

Rx Merck U-40 Insulin Syringes, 100 ct.

5.0

(1)

$53.99

$53

.99

Merck Ultra Saber Pour-On Livestock Insecticide, 30 oz.
Merck Ultra Saber Pour-On Livestock Insecticide, 30 oz.

Merck Ultra Saber Pour-On Livestock Insecticide, 30 oz.

5.0

(4)

$99.99

$99

.99

Merck Allflex 25MR2 Syringe
Merck Allflex 25MR2 Syringe

Merck Allflex 25MR2 Syringe

4.7

(3)

$91.99

$91

.99

Merck Ralgro Implants for Beef Cattle, 24 Doses
Merck Ralgro Implants for Beef Cattle, 24 Doses

Merck Ralgro Implants for Beef Cattle, 24 Doses

5.0

(4)

$56.99

$56

.99

Merck Ralgro Cattle Implant Gun
Merck Ralgro Cattle Implant Gun

Merck Ralgro Cattle Implant Gun

5.0

(2)

$41.99

$41

.99

Showing1-8of 8 items

  • 1

Items per page:50|100|150|200

Compare

Add up to 4 items

Get the top deals, latest trends and more
Sign up for emails from Tractor Supply today.
First Name*
Last Name*
Email*

Customer Support

  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  

    (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

About Us

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

Work With Us

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

Neighbor's Club

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

Credit Center

  • TSC Credit Card

  • Klarna

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More
  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

  • TSC Credit Card

  • Klarna

Connect & Share with the Tractor Supply Community.

Shop on the go with the Tractor Supply App

Learn More
  • Privacy policy
  • Your Privacy Choices
  • Terms and Conditions
  • California Transparency Act
  • Legal Notices
  • Accessibility
  • Responsible Disclosure Statement
  • Surprise (Balance) Medical Billing Disclosure
  • Transparency in Coverage
  • Human Rights Policy
  • Vendor Code of Conduct
  • California Notice of Collection
  • Privacy Requests

© 2026, Tractor Supply Co. All Rights Reserved.

Sign in for a better experience

Unlock deals, rewards & more.