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Dairy Newsletter 

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The Wynnstay Dairy Newsletter offers dairy farmers seasonal advice to drive their herds performance. Available in digital and paper formats. 

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Foreword

The association between ambient temperature and relative humidity gives us the thermal humidity index or THI. At a value of just 66 (e.g., 22 ° C and 30 % humidity) conception rates are affected. When THI climbs over 72 (e.g., 26° C and 40 % humidity) moderate heat stress is experienced dry matter intakes decrease, milk yield and quality are affected. Cows begin to display visual symptoms such as panting, seeking shade, standing in cubicles, and seeking fresh air (if housed).

On the 24th of July dairy buildings in South Wales and Southern England registered THI figures of 81 – 84 with one shed recording a peak temperature of 34.5°C. Although these extreme temperatures thankfully passed after a couple of weeks cows will suffer the effects for several months to come through a knock-on effect to fertility. Although we are now looking ahead towards housing cattle it is worth assessing buildings this coming winter for potential improvements to airflow as extreme heat now seems to be a

In this Issue 

  • Raw material market update 
  • Sustainable Soya
  • Milk market update
  • New regulatory measures to protect water in wales 
  • Customer focus 
  • Strategies for mitigating feed costs 
  • Pica in grazing cattle 
  • The importance of magnesium at grazing 
  • Preparing for success
  • Keep your protein costs in check this summer

 

 

  • Rise of the robots 
  • Restore 5+ 
  • Grazing management 
  • Fundamentals of good grassland management 
  • Research points to better multi-cut silage 
  • Understanding the benefits of season-long worm control in cattle 
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