Calculate the impact on your program.
Enter estimated heat detection rate.
Enter typical conception rate.
Continuously monitoring for estrus can nearly double pregnancy rates.
|Twice-per-day observation||24-hours-per-day observation|
Effect of estrus detection rate on pregnancy rate
|Estrus detection (%)||55||65||75||85||95|
More than 500 animals in three studies indicated around half of the cows had heats from 6 p.m. to 6 a.m.
|Time of day||Cows showing standing estrus|
|6 am to noon||26%|
|Noon to 6 pm||18%|
|6 pm to Midnight||27%|
|Midnight to 6 am||29%|