Heat stress is costly and dangerous. Here is your practical checklist for protecting your stock as summer approaches.

The Australian heat is arriving, and for livestock producers, this means entering the critical window for managing heat stress in your herd. Heat stress drastically lowers fertility, slows weight gain, and can quickly become dangerous. As farmers, we know that preventing the issue is always cheaper than treating it.

Below you will find your new essential guide to monitoring your herd and adjusting your infrastructure for maximum summer resilience.

1. Recognise the warning signs

Spotting heat stress early is essential. Before catastrophic failure, look for these key symptoms:

• Rapid Breathing/Panting: Shallow, rapid breathing (particularly with an open mouth) is the animal’s primary way of attempting to cool down.

• Crowding at Water: Animals are grouping tightly around troughs and water points.

• Reduced Appetite: A drop in feed intake is an early indicator of severe discomfort.

• Lethargy: Animals stand listlessly or stop grazing during the hottest part of the day.

2. The Defence Plan: Cool water and shade

A simple temperature reduction can save a life. You must ensure water is cool and plentiful.

Water cooling & availability

Water access must be constant and rapid. However, water temperature is just as important as volume. Concrete troughs are the superior choice here, as their high thermal mass keeps the water significantly cooler than in lightweight plastic alternatives.

• Tip: Double-check your float valves. In extreme heat, your troughs must refill fast enough to match consumption.

• Essential Gear: Concrete Troughs (for thermal stability).

Shelter and containment

Where possible, ensure access to natural or man-made shade during the peak heat hours (11 am – 4 pm). Reducing sun exposure minimizes the stress on the animal’s cooling system.

3. Supplementation is your buffer

Simply providing cool water isn't always enough; extreme heat leaches essential salts from the animal.

Electrolyte and mineral support

High temperatures lead to heavy panting and sweating, which causes rapid loss of electrolytes and crucial salts. Replenishing these salts is vital for maintaining the herd’s natural balance and appetite.

• Action: Provide a quality Electrolyte Supplement in drinking water or feed to help buffer the effects of heat stress and encourage continuous consumption.

• Essential Gear: Electrolyte Supplements (to maintain hydration and mineral balance).

Conclusion: Preparedness is profit

Effective heat management is not just about animal welfare; it's about protecting your bottom line. By being proactive now with your troughs, supplements, and checks, you ensure your livestock thrive through the summer.

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