Which test specifically identifies the strain of bacteria or pathogen affecting the animal?

The culture test is the method specifically designed to identify the strain of bacteria or pathogen affecting an animal. This process involves taking a sample from the animal, such as blood, urine, or tissue, and placing it in a controlled environment that encourages the growth of microorganisms. By allowing the bacteria or pathogen to grow, veterinary professionals can then observe its characteristics, which are crucial for accurate identification.

This identification is foundational in diagnosing the specific infectious agent responsible for the animal's condition, which guides appropriate treatment decisions. The culture test not only allows for the identification of the pathogen but can also help in determining its exact strain, which is critical for understanding its behavior, potential virulence, and likely responses to treatment.

While other tests like the sensitivity test evaluate how well antibiotics work against the identified bacteria, or the ELISA test checks for specific antibodies or antigens in the sample, they do not directly identify the strain on their own. The swab test can collect samples, but it is the culture test that ultimately yields the information needed about the pathogen.