some useful guidance for dairy farmers wishing to use
these tools. The algorithms are now calculated on variation
of cow activity, but, even though an increase in activity is
concomitant estrus, this is not a very specific behavior
(compared with standing mount). One way to reduce this
problem could be to regulate the level of alerts using
nonsensor data or data from other sensor, for example,
animal factors (delay from calving, lactation rank or milk
production on the alert day) or environmental conditions
not studied here, such as type of housing, temperature, or
humidity.