Porta-Grazer Review 2025 – Is This the Best Slow Feeder for Horses?

📘 How to Use the Porta-Grazer™ (Step-by-Step)

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⚠️ Important Safety Note:

Before using the Porta-Grazer™, check the drain plug at the bottom. It must be either:

  • Fully screwed in
    or
  • Fully removed
    This prevents damage to the base when the feeder is in use.

🔄 Step 1: Introduce Gradually (5–10 Days)

Do not switch cold turkey to using the Porta-Grazer. Instead:

  • Continue feeding hay the usual way (on the floor, in a net, etc.)
  • At the same time, place hay in the Porta-Grazer™ so your horse sees it as a second option.
  • Allow your horse 5 to 10 days to get used to the feeder and the rotating pan mechanism.

📌 If a hungry or stressed horse is forced to eat from it before understanding how it works, it may chew or slam the pan, causing cracks or damage.


🔒 Step 2: Secure It Properly

To prevent tipping or rolling:

  • Tie or secure the Porta-Grazer™ by one of its handles to a wall or fence.
  • Make sure the bottom sits flat on the ground, not tilted or propped up.

This helps the horse feel more stable when exploring the new feeder.


🌾 Step 3: Load the Hay the Correct Way

Loading hay properly helps the pan rotate and allows smooth feeding. Here’s how:

  1. Take a flake of hay and stand it vertically inside the barrel.
  2. Push it down and over to the opposite side to form an arched shape, like the letter “n”.
  3. Make sure the ends of the stems face downward (this prevents jamming).
  4. Place the grazing pan hole-side down on top of the arched hay.
  5. For the first few days, pull a few pieces of hay through the holes to encourage your horse to start foraging.

📏 Step 4: Don’t Overfill

It’s tempting to cram in extra hay, but resist doing this at first.

During the introduction period:

  • The pan should sit about 3 inches below the rim of the barrel.
  • This gives your horse space to learn how the rotating pan works.

Once your horse is comfortable:

  • For XL, Mini, or Corner models: fill until the tabs on the pan lock in, but make sure the pan can still spin freely.
  • For the original PG model: ensure the top of the pan sits slightly below the rim.

🚫 Do not overfill the Porta-Grazer. Too much hay creates pressure from below, which can pop the pan loose or make it hard for the horse to use.


✅ Step 5: Switch to Porta-Grazer-Only Feeding

Once your horse is eating calmly and confidently from the Porta-Grazer:

  • You can stop feeding hay on the ground or in other feeders.
  • From this point on, use the Porta-Grazer as the primary hay source.

Make sure your horse always has enough hay to avoid hunger anxiety. Horses that go too long without forage may become aggressive or anxious.


🧠 Step 6: Monitor Behavior

Watch for signs your horse is not using the feeder correctly:

  • Is hay left untouched inside the barrel?
  • Is hay swirled in a circle instead of eaten?
  • Is the pan getting cracked, jammed, or slammed?

If so, revisit Step 3 (loading method). Improper hay orientation can block access or frustrate your horse.

Also watch for aggressive feeding behavior. This could indicate:

  • The horse was previously going too long without hay
  • There may be an underlying medical issue like gastric ulcers

📞 If these behaviors continue, consult your veterinarian.

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