A Legacy of Innovation

Merck Animal Health has a rich heritage of scientific excellence and innovation. It is the foundation of our future and the inspiration for our daily work.

1940s

MSD establishes an animal health division and discovers sulfaquinoxaline, the first poultry coccidiostat.

1949

Feed manufacturer Wim Hendrix lays the foundation for Intervet in Boxmeer (The Netherlands), where the Animal health headquarters of todays’ company remained until 2012.

1950s

Schering-Plough Animal Health is established and comes to market with prednisone to treat ketosis in dairy cattle.

Intervet develops first fowl pox vaccine for poultry

1955

Publication of first edition of The Merck Veterinary Manual.

1961

Netherlands based “Koninklijke Zwanenburg Organon” (which later became AKZO NOBEL) acquires Intervet.

1970s

Introduction of anti-inflammatory drug for horses (Schering-Plough Animal Health).

Launch of products for reproduction management in farm animals (Intervet). Development of anthelmintic fenbendazole (Intervet).

1980s

Development of first recombinant DNA vaccine (PORCILIS® Porcoli against diarrhea in piglets) by Intervet.

1990s

Development of florfenicol, a novel phenicol antibiotics exclusive to animal health (Schering-Plough Animal Health).

Introduction of antiparasitic SCALIBOR® a dog collar to prevent Leishmaniasis from sand fly bites (Intervet)

1997

MSD and French pharmaceutical company Rhone-Merieux (later Sanofi) combine their animal health divisions in an equally-owned joint venture named Merial.

2000s

Launch of SLICE® fish antiparasitic for the treatment of seas lice in salmon (Schering-Plough Animal Health).

Licensure of the first live bacterial recombinant vaccine against strangles in horses in the EU (Intervet).

Introduction of PORCILIS® Pesti, the first marker vaccine for classical swine fever (Intervet)

2005

Harrisvaccines was founded in Iowa

2007

Schering-Plough acquires Organon Biosciences (Intervet and Organon) from AKZO NOBEL. The animal health division operates as Intervet/Schering-Plough Animal Health.

2009

Development of Sphereon, freeze-drying technology for vaccines (Intervet/Schering-Plough Animal Health).

Merck & Co., Inc., Kenilworth, NJ, USA acquires Schering-Plough. Intervet/Schering-Plough Animal Health becomes the animal health division of MSD.

2011

The operating name of the animal health unit changes to MSD Animal Health

2014

MSD Animal Health receives FDA approval of BRAVECTO™, the first chewable tablet for dogs for up to 12 weeks of treatment and prevention of fleas and ticks.

MSD Animal Health receives approval of PORCILIS® PCV M Hyo vaccine, Europe’s first single-shot vaccine to protect piglets from Porcine Circovirus Type 2 and Mycoplasma hyopneumoniae infections

2015

MSD Animal Health receives a conditional product license for the Canine Influenza Vaccine H3N2 and becomes the first company to make the vaccine available to the market.

MSD Animal Health acquires Harrisvaccines, a privately-held company that develops, manufactures and sells vaccines for food production and companion animals

2016

MSD Animal Health receives marketing approval from European Medicines Agency and U.S. Food and Drug Administration’s approval of BRAVECTO® for both cats and dogs, up to 12 weeks of treatment and prevention of fleas and ticks.

MSD Animal Health receives approval for conditional product license for CIV H3N2 vaccine to protect dogs against the newly identified strain of CIV