Effective heat detection is essential in every herd using AI. Missed heats result in a poorer calving interval, lower milk production per year and higher cull and replacement rates. The typical cost of a missed heat is around £60 a cow (Kingshay, 2002).
The Heat Detection Methods Farming Note examines the pros and cons of a range of heat detection methods.
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The Fertility Monitor Record Sheet helps monitor individual cows.
