The NVI is the total merit index that reflects the breeding goals of Dutch and Flemish dairy farmers. But there are also farmers who prefer to select bulls based on one of the total American indexes TPI or NM$. Specialist Jaap Brinkman explains the differences between the American and Dutch breeding values.
The counterparts of the total merit index NVI for farmers in the Netherlands and Flanders are the TPI and NM$ for their fellow dairy farmers in the United States. NM$ stands for Lifetime Net Merit. It is the official index for the US. NM$ is an economic breeding value that…read more ›