BUILDING BETTER BIOLOGICALS FOR THE CATTLE INDUSTRY SINCE 1977
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Company History

Texas Vet Lab was established in 1977 by Dr. W.H. (Bill) Wohler.  Working alongside his wife Patsy, the company committed its future to the  development of more effective vaccines against shipping fever pneumonia and  bovine respiratory disease.  While Texas Vet Lab was starting as a new company, Dr. Wohler also owned and managed cattle through all segments and phases of the beef industry.  Working as a veterinary consultant and vested feeding partner with many of his customers and friends, Dr. Wohler’s affinity, understanding, and practical application of veterinary microbiology led to the creation of several novel vaccines and the facility received full licensure by the USDA in 1981.    
 
Over the past 30 years Texas Vet Lab has grown into a complete manufacturer of bovine biologicals with the primary focus of development of vaccines that provide immunity against existing and emerging diseases that affect stocker/feeder cattle.  The vaccine line started with the development of Poly-Bac for pneumonia/shipping fever in young feeder calves.  This was the first Mannheimia (Pasteurella) Haemolytica containing bacterin to be proven effective by the modern test methods in (calves). 
 
In 1999 Texas Vet Lab became the only company to provide “Dual Coverage” for Mannheimia (Pasteurella) Haemolytica by including the more virulent Type A6 along with the industry norm Type A1 in a shipping fever vaccine.  This unique feature of the vaccine line is still true today.   Another novel development was the first USDA approval of a fully licensed Mycoplasma bovis bacterin.  Most often referred to as “Myco”, this disease is one of the most prevalent and isolated diseases in cattle today.    
 
With the untimely passing of Dr. Wohler in 2007, the business transitioned to the general management and ownership of Jim Bob Harris. Mr. Harris has a B.S. in Animal Science from Angelo State University and gained a M.S.degree in Veterinary Microbiology from Texas A&M University in 1989.   In 2013, virologist Dale Weise, a 20+ year veteran at TVL, also purchased ownership in the company.  Mr. Weise graduated from Texas A&M University with a B.S. in Biomedical Science and a M.S. degree in Veterinary Pharmacology.
 
Texas Vet Lab has grown to service cattle operations and veterinary consultants on a national level by offering unique combinations of killed and modified live vaccines aimed at improving the health of the stocker/feeder segment with proven commercial and custom production techniques.  
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