ISSN 2398-2993      

The oestrus cycle

obovis

The oestrus cycle

The cow has a 21-day oestrus cycle, but this can vary between 18 and 24 days.

Bulling string ©Peter Jackson

Introduction

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Why are heats missed?

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How can heat detection be improved?

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What further improvements can be made?

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What hormone treatments are available?

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What is the cost of missed oestrus?

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