Final answer:
To accurately determine equine worm loads, multiple fecal egg count tests should be done per year. Helminth infections diagnosis often involves repeated feces examination and various other detection methods. Frequency and accuracy of these tests contribute to better parasite management.
Step-by-step explanation:
By performing multiple fecal egg count tests per year, we can significantly increase our accuracy in determining equine worm loads. Accurate diagnosis usually involves examination of feces for the presence of eggs, potentially using concentration techniques and collecting specimens on multiple days. In referring to the specifics provided, it's not clear how many tests equate to what percentage of accuracy since precision can vary with factors like test intervals and the methods employed. However, repeated testing over time generally leads to a more accurate picture of an animal's parasite burden.
For example, examining a dog's feces may reveal microfilariae levels, which can give an estimate of parasitic infection. Similarly, in humans and other animals, various techniques such as microscopic stool analysis, serologic testing, and even imaging may be used to diagnose helminth infections. Regular testing is key to managing and treating these infections effectively.