Another benefit was that we could determine the exact degree of ketosis in each cow, allowing farms to choose the most appropriate treatment strategy.
What we learned about ketosis prevalence
Any cow whose blood BHBA tested at or above 1.2 mmol per L was considered to have subclinical ketosis (cows above 3 mmol per L were considered clinically ketotic).
Our survey revealed a 21.6-percent prevalence rate of subclinical ketosis on a cow basis and a 55-percent rate on a herd basis. Ten of the 18 herds had a prevalence rate greater than 16 percent.
If you know you have a high prevalence of subclinical ketosis, it’s a sign that you need to work with your nutritionist to adjust your transition cow diets to prevent future issues. Doing so can have significant impacts on your herd’s health and your farm’s bottom line.