Manufacturer of veterinary pharmaceutical products, sera and vaccines, as well as partner for contract manufacturing and logistics
Wirtschaftsgenossenschaft deutscher Tierärzte eG (WDT)
Garbsen (headquarters, pharmaceutical manufacturing, logistics) · Hoyerhagen-Memsen (serum plant)New on Amplifa
WDT: Cooperative of veterinarians since 1904
The Wirtschaftsgenossenschaft deutscher Tierärzte eG (WDT) was founded in 1904 and is a company of the German veterinary pharmaceutical market, headquartered in Garbsen near Hanover. The cooperative, with more than 300 employees, has been developing and producing veterinary medicinal products, feed supplements and biocide products at its headquarters since 1982, as well as sera, vaccines and diagnostics at its own serum plant in Memsen. Production is carried out in accordance with GMP and comprises sterile injectables in glass vials from 2 to 250 ml (batches up to 600 l) and non-sterile liquid as well as semi-solid dosage forms such as ointments, creams and hydrogels. In addition, WDT offers pharmaceutical contract manufacturing with formulation development, pilot batches, process validation and final release. Besides production, the portfolio includes pharmaceutical wholesale, a logistics center for veterinary medicine (VetLogOne), around 14,000 veterinary practice supply items and the practice software vetat.work. Customers are veterinary practices and clinics in over 95% of German practices as well as pharmaceutical companies in Germany and abroad.
- Site
- Garbsen
- Processes
- Aseptic production of sterile injectables (sterile filtration), Production of non-sterile liquid dosage forms for internal and external use, Production of semi-solid dosage forms (ointments, creams, hydrogels), Production of biologicals (vaccines including fungal vaccines, immune sera, diagnostics, serum and, Contract manufacturing of pharmaceutical products (formulation development, pilot batches,, Contract analytics, process validation, stability testing according to VICH/ICH (physical,, Formulation development and optimization / drug development, Pharmaceutical logistics, storage, contract logistics and fulfillment (GDP-compliant)
- Materials
- Veterinary medicinal products (own brands WDT and Tierarzt24), Complete and supplementary feed, Biocide products, Semi-solid dosage forms (ointments, creams, hydrogels), Sterile injectables, Non-sterile liquid dosage forms, Semi-solid dosage forms, Biologicals
- Certificates
- GMP certificate veterinary, GMP certificate veterinary Memsen, GMP certificate immunological veterinary medicinal products, GMP certificate human, GMP certificate human (clinical trial only, Memsen), GDP certificate veterinary, GDP certificate human, Narcotics permit, GMP certificate human (clinical trial only), Manufacturing authorization §13 AMG / §12 TierGesG
- Founded
- 1904
- Employees
- more than 300
- Industries
- Veterinary pharma, Veterinary practices and clinics, Pharmaceutical companies (contract manufacturing), Pharmaceutical logistics, Practice software / veterinary IT, Logistics for veterinary medicine
- 01
Formulation development and drug development
- 02
Pilot batches and process validation
- 03
GMP-compliant pharmaceutical manufacturing (sterile, liquid, semi-solid)
- 04
Contract analytics, stability testing, final release
- 05
GDP-compliant storage and logistics
- 06
Distribution via WDT marketplace and export
Manufacturing areas and dosage forms
Sterile injectables
Aseptic production via sterile filtration in glass vials from 2–250 ml, also for hormones, antibiotics and narcotics.
Non-sterile liquid dosage forms
Filling from 20 ml to 1 l for internal and external use in flexible batch sizes.
Semi-solid dosage forms
Ointments, creams and hydrogels in jars (20 g–1 kg), tubes (5–250 g) as well as canisters and bottles.
Biologicals
Vaccines including fungal vaccines, immune sera, diagnostics and serum/plasma products from species-appropriate animal welfare-compliant animal husbandry.
Complete and supplementary feed
Own products of the WDT and Tierarzt24 brands for various animal species.
Biocide products
Disinfection and care products for veterinary use.
Locations
Garbsen
DEHeadquarters, pharmaceutical manufacturing (since 1982), sales, logistics, customer service
- Part weight / size
- Injectables 2–250 ml; batches 200–600 l; liquid form 20
- Lot size
- Small to medium batches, flexible lot sizes
- Materials
- Veterinary medicinal products, feed, biocide products, semi-solid dosage forms
- Production facility for sterile injectables (glass vials 2–250 ml)
- Laboratory for chemical-analytical and microbiological testing
- Logistics center VetLogOne with conveying and order-picking technology (20,000 m², expandable to 40,000 m²)
Hoyerhagen (Memsen)
DEMemsen serum plant – production of sera, vaccines and biologicals (since 1949)
- Materials
- Biopharmaceuticals, immune sera, vaccines, diagnostics
- Serum plant with animal welfare-compliant animal husbandry
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Aseptic production of sterile injectables (sterile filtration)Pharmaceutical manufacturing | – | – | 600 l batch size | – | Hormones, Antibiotics, Narcotics, Biological and immunological products |
| Production of non-sterile liquid dosage forms for internal and external usePharmaceutical manufacturing | – | – | 20 ml – 1 l | – | Liquid dosage forms |
| Production of semi-solid dosage forms (ointments, creams, hydrogels)Pharmaceutical manufacturing | – | – | 5 g – 1 kg | – | Ointments, Creams, Hydrogels |
| Production of biologicals (vaccines including fungal vaccines, immune sera, diagnostics, serum andPharmaceutical manufacturing | – | – | – | – | Biopharmaceuticals, Sera, Vaccines, Diagnostics |
| Contract manufacturing of pharmaceutical products (formulation development, pilot batches,Pharmaceutical manufacturing | – | – | – | – | Sterile solutions, Suspensions, Ointments, Non-sterile solutions and gels |
| Contract analytics, process validation, stability testing according to VICH/ICH (physical,Testing | – | – | – | – | Medicinal products |
| Formulation development and optimization / drug developmentEngineering | – | – | – | – | Veterinary medicinal products, Feed supplements, Biocide products |
| Pharmaceutical logistics, storage, contract logistics and fulfillment (GDP-compliant)Logistics | – | – | – | – | Pharmaceutical products, Refrigerated goods |
| Technical service: repair and maintenance of medical devicesService | – | – | – | – | – |
4 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Production facility for sterile injectables (glass vials 2 ml–250 ml) | WDT | – | – | – | Garbsen |
| Serum plant with animal welfare-compliant animal husbandry | WDT | – | – | 1949 | Memsen (Hoyerhagen) |
| Logistics center with conveying and order-picking technology on multiple levels | VetLogOne | 1 | 20,000 sqm (expandable to 40,000 sqm) | – | Garbsen |
| Laboratory for chemical-analytical and microbiological testing | WDT | – | – | – | Garbsen |
Additional services
Reference customers
Quality and certifications
The production facilities are GMP-certified; testing is carried out in the company's own laboratory through physical, chemical-analytical and microbiological examinations including stability testing according to VICH/ICH, process validation and an annual PQR.
| Evidence | Garbsen | Hoyerhagen (Memsen) |
|---|---|---|
| GMP certificate veterinary | ||
| GMP certificate immunological veterinary medicinal products | ||
| GMP certificate human | ||
| GMP certificate human (clinical trial only) | ||
| GDP certificate veterinary | ||
| GDP certificate human | ||
| Narcotics permit | ||
| Manufacturing authorization §13 AMG / §12 TierGesG |
Company history
- 1904
Foundation of the WDT by Dr. Karl Marks in Posen as 'Produktiv- und Konsumgenossenschaft deutscher Tierärzte eGmbH' (16.10.1904); renamed two years later to Wirtschaftsgenossenschaft deutscher Tierärzte eG
- 1910
Relocation to Berlin, Linkstraße 20, Potsdamer Bahnhof; 763 members
- 1911
Acquisition of the Bacteriological and Serum Institute Dr. Schreiber GmbH in Landsberg; participation in Bengen & Co, Hanover
- 1912
Acquisition of all shares in Bengen & Co and relocation of the company's registered office to Hanover
- 1924
Foundation of the subsidiary Seropharm AG in Danzig
- 1925
Production in Hanover, Dreyerstraße (former margarine factory); 150 employees
- 1943/44
Destruction of the buildings in Hanover by bombing raids; alternative production, among others, in Hameln
- 1949
Memsen becomes the site for the production of sera and vaccines
- 1982
Start of the development and production of veterinary medicinal products at the company's headquarters in Garbsen
- 1995
WDT drives forward the preservation and expansion of the Memsen serum plant
- 1998
Granting of the GMP certificate for Memsen, renewed regularly since then
- 2025
Market launch of the company's own practice software vetat.work
- 2026
WDT takes over veterinary practice supplies from DECHRA; intensified cooperation with Vetoquinol