No Needles. No Doubt. No Scours.
Calf Scours Prevention Products
First Defense scours prevention products are easy to use. One dose at birth provides an instant dose of immunity.
Antibodies Without Vaccination
In human health, antibodies are used to manage a wide variety of diseases, even cancer. Read how delivering antibody protection without vaccination is changing the decades-old narrative on scours prevention.
Our customers. Their stories.
Use our testimonial map to read what farmers and veterinarians across the country are saying about antibodies without vaccination.