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Description
Purina® Omolene #300® Growth Horse FeedFor foals, weanlings, yearlings, and pregnant or lactating mares fed with foals. It took over 100 years of industry leading research and innovation to build todays Purina Omolene horse feed lineup. We started with naturally nutritious high quality whole grains packed with antioxidants, phytonutrients and prebiotic fibers. From there, countless nutrition studies and feeding trials at the Purina Animal Nutrition Center led to scientific breakthroughs
For foals, weanlings, yearlings, and pregnant or lactating mares fed with foals.
It took over 100 years of industry-leading research and innovation to build today’s Purina® Omolene® horse feed lineup. We started with naturally nutritious high-quality whole grains packed with antioxidants, phytonutrients and prebiotic fibers. From there, countless nutrition studies and feeding trials at the Purina Animal Nutrition Center led to scientific breakthroughs that keep our formulas on the cutting-edge of equine nutrition and performance. Because only innovations proven to have the highest level of performance and safety earn their place in Purina® Omolene® horse feeds, you can feed with full confidence. Whether you need to fuel intense competitive performance, support your horse’s gastric health or nourish the growth of the next generation of equine athletes, Omolene® feeds are built to help solve your toughest nutritional challenges.
When there’s greatness on the inside, it shows on the outside.
It took over 100 years of industry-leading research and innovation to build today’s Purina® Omolene® horse feed lineup. We started with naturally nutritious high-quality whole grains packed with antioxidants, phytonutrients and prebiotic fibers. From there, countless nutrition studies and feeding trials at the Purina Animal Nutrition Center led to scientific breakthroughs that keep our formulas on the cutting-edge of equine nutrition and performance. Because only innovations proven to have the highest level of performance and safety earn their place in Purina® Omolene® horse feeds, you can feed with full confidence. Whether you need to fuel intense competitive performance, support your horse’s gastric health or nourish the growth of the next generation of equine athletes, Omolene® feeds are built to help solve your toughest nutritional challenges.
When there’s greatness on the inside, it shows on the outside.
Features & Benefits
Whole Grain Nutrition
Supports pregnancy, lactation and proper growth
Gastric Support
Formulated with Outlast® Supplement to support gastric health and proper pH
Healthy Appearance
Contains Purina® Amplify® high fat nugget to maintain body condition shine and bloom
Nutritious Whole Grains
A natural source of antioxidants, phytonutrients, and prebiotic fibers
Muscle Growth & Bone Development
Fortified with milk components, including amino acids and polysaccharides found in mare’s milk
Purina® Amplify® High Fat Nugget
A proprietary blend of vegetable oils, flaxseed, and rice bran to support weight gain, shine, and bloom
Balanced Nutrition
Designed to be fed with hay and/or pasture, this formula provides 100% of the required vitamins and minerals when fed as directed.*
*When fed as directed, with free-choice or added salt, based on Nutrient Requirements of Horses. Sixth Revised Edition – 2007, published by the National Research Council
Year-Round Quality
Unique soy oil-molasses blend with lower sugar and higher fat than traditional cane molasses helps decrease bricking in winter and drying out in summer
Proven Palatability
Countless trials at the Purina Animal Nutrition Center and in the field verify exceptional palatability to support consistent nutrient intake, even in the pickiest eaters
Ingredient Integrity
Only ingredients that meet our stringent quality criteria make it into our mills and feed bags. Any shipment that doesn’t meet or exceed our standards is turned away.
Nutrients
Nutrient
Min / Max
Amount
Crude Protein
MIN
16.00 %
Lysine
MIN
0.90 %
Crude Fat
MIN
6.00 %
Crude Fiber
MAX
7.00 %
Calcium (Ca)
MIN
0.80 %
Calcium (Ca)
MAX
1.30 %
Phosphorus (P)
MIN
0.55 %
Copper (Cu)
MIN
60.00 PPM
Zinc (Zn)
MIN
220.00 PPM
Vitamin A
MIN
3000 IU/LB
Vitamin E
MIN
125 IU/LB
Selenium (Se)
MIN
0.60 PPM
Neutral Detergent Fiber (NDF)
MAX
23.00 %
Acid Detergent Fiber (ADF)
MAX
10.00 %
Feeding Directions
Description
FEEDING DIRECTIONS WITH HAY OR PASTURE: Start with the amounts of Omolene® 300 Mare & Foal given for the weight and lifestyle of the horse. After observing the horse for a period of time, the amount fed may be gradually increased or decreased to obtain the desired body condition and weight.
For feeding directions outside the ranges addressed in these feeding charts, please contact your local Purina® retailer or Purina Customer Service at 800-227-8941.
*This is the recommended minimum amount of hay to be fed. If feeding more hay, you may reduce the feeding rate of Omolene® 300 needed to maintain appropriate body condition.
** Do not feed less than 0.35 lbs/100 lbs body weight/day (3.5 lbs per 1000 lbs BW) or 0.75 lbs per 100 lbs of body weight per day for yearlings (3.75 lbs per 500-lb BW). If your horse gains too much weight at that minimum feeding rate, replace Omolene® 300 with Purina® ENRICH PLUS® Ration Balancing Horse Feed.
*** Feeding rates of Omolene® 300 and forage may be adjusted or feed may be top-dressed with Purina® Amplify® High Fat Supplement for additional calories.
**** Use the lower feeding rate for moderate growth rate and the higher feeding rate to support more rapid growth.
SUCKLING FOALS: Begin offering feed within two weeks of birth. Feed 1.0 lb of Omolene® 300 horse feed per month of age per day.
700-LB WEANLINGS: Horses with expected mature weight of 1,000 lbs or greater may continue on Omolene® 300 or change to Purina® Omolene® 200 Performance horse feed.
For feeding directions outside the ranges addressed in these feeding charts, please contact your local Purina® retailer or Purina Customer Service at 800-227-8941.
| Weight of Horse in Pounds | |||
| | | 800 | 1,000 | 1,200 |
| (lbs/day) | |||
| Minimum Hay or Equivalent Pasture* | 9.5 | 12.0 | 14.5 |
| Omolene® 300 Horse Feed (lbs/day)** | |||
| Late Gestation | 4.0 | 5.25 | 6.25 |
| Lactating Mare | 8.0 | 9.5 | 11.0*** |
| Weaned Foal Through Yearling | Weight of Horse in Pounds | ||||
| | | 300 | 400 | 500 | 600 | 700 |
| (lbs/day)**** | |||||
| Omolene® 300 (fed with appropriate amounts of forage) | 7.25-7.75 | 7.50-8.50 | 7.00-9.25 | 7.50-9.50 | 7.75-10.00 |
*This is the recommended minimum amount of hay to be fed. If feeding more hay, you may reduce the feeding rate of Omolene® 300 needed to maintain appropriate body condition.
** Do not feed less than 0.35 lbs/100 lbs body weight/day (3.5 lbs per 1000 lbs BW) or 0.75 lbs per 100 lbs of body weight per day for yearlings (3.75 lbs per 500-lb BW). If your horse gains too much weight at that minimum feeding rate, replace Omolene® 300 with Purina® ENRICH PLUS® Ration Balancing Horse Feed.
*** Feeding rates of Omolene® 300 and forage may be adjusted or feed may be top-dressed with Purina® Amplify® High Fat Supplement for additional calories.
**** Use the lower feeding rate for moderate growth rate and the higher feeding rate to support more rapid growth.
SUCKLING FOALS: Begin offering feed within two weeks of birth. Feed 1.0 lb of Omolene® 300 horse feed per month of age per day.
700-LB WEANLINGS: Horses with expected mature weight of 1,000 lbs or greater may continue on Omolene® 300 or change to Purina® Omolene® 200 Performance horse feed.
Changing To
- Make the feed change gradually over a period of 7 to 10 days.
- Mix the new feed with the old, gradually increasing the amount of the new feed while decreasing an equal amount of the old.
- Changes in the rate of feeding should not exceed 1 pound per day for each horse.
Caution
Store in a dry, well-ventilated area protected from rodents and insects. Do not feed moldy or insect-infested feed to animals as it may cause illness, performance loss or death.
Important
- Feeding rates will vary with size, age, temperament, health status, forage quality, climate and activity level. Feed at regular times, at least twice daily. Do not feed more than 0.5 lbs/100 lbs of body weight per meal. Do not feed free-choice. Prevent the rapid eating by the horse of any feedstuff.
- Reduce and/or delay feeding a horse which is hot, excited or showing pain, has fever or diarrhea. Consult your veterinarian if any problems arise.
- Always feed a minimum of 1.0 to 1.2 lbs per 100 lbs of body weight of good quality, clean hay or the equivalent in pasture.
- Any feed changes should be made gradually over a period of 7 to 10 days. Changes in the rate of feeding should not exceed 1.0 lb per day for each horse.
- Provide fresh, clean water at all times. Provide your horse with access to salt. Consult with your veterinarian regularly and maintain a routine dental, parasite control and health care program for your horse.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
Siless Hybrid 3-in-1 - Far Exceeded my Expectations!!!
Model: SLH20025
I recently installed the Siless Hybrid 3-in-1 sound deadening mat in my vehicle, and I’m genuinely impressed. For just $80 for 25 square feet, this product delivers performance that rivals materials costing twice as much — and with far less hassle. If you're on the fence......Just buy it! You will not be disappointed.
Easy to Install: Unlike traditional sound deadening products that are stiff, sharp, and temperature-sensitive, this mat is soft, flexible, and easy to work with. I cut it cleanly with regular scissors and pressed it into tight spaces using just my fingers, so if in you don't have a roller or install tool, a good pair of scissors and your hands can get the job done. With other brands like Dynamat, the aluminum layer often leaves micro cuts on your hands and tears up your fingertips, but Siless does not due the acoustic layer being on top and above the aluminum layer that holds the butyl layer. So, it's very easy on your hands.
Even in cooler temperatures (around 50°F), I had no trouble applying it but it goes on better heated. If warm outside, I would leave the entire box out in the sun for at least 30 minutes when it's warm or heats it's very pliable and easy to mold. Make sure its where you want it because once applied it's not ever falling off. and it became even more pliable and easy to mold. No heat gun, no mess — just straightforward application.
I installed 40–50 square feet throughout the interior, covering everything except the headliner and the flooring forward of the rear seat. The difference in cabin noise is astonishing. I can turn my radio up concert loud with gut-punching bass, and from outside the car, it sounds like a factory sound system at mid volume. I was blown away by how well it contains sound — both inside out and outside in.
My exhaust is pretty aggressive and now is barely audible from inside the cabin. While driving, it almost sounds like a stock factory setup. The Siless matting actually changed the driving experience and feels refined.
If you're skeptical about sound deadening gimmicks, I get it, but this is the first product I've used and when I needed more, I went Stright to the 3 in 1 Hybrid matting and purchased it again. I love researching before buying and that's very uncommon for me to do.
Note: Proper installation is key, and it does take time and patience. But if installed correctly and in the right places, it works better previously used from paint-on sound deadening to Dynamat.
Update Nov, 2025
After using it this in 4 separate vehicles now. I feel the Siless’s 3 in 1 Hybrid has nailed it for best budget deadener that is better than dynamat extreme in performance and installation
Protip: buy a roll of 2-3” aluminum tape and tape the seams. After trimming the edges tend to very sticky between the panels. I ran a strip of aluminum tape over the seems to create a better seal and true moisture
I used it on four vehicles now and have I have not been paid to review and purchased every order myself.
3 in 1 Hybrid deadener by Siless is the best all around easy to apply sound deadner period!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 29, 2025
★★★★★ 5
Top quality
Model: SLH20025
This Siless Hybrid 3-in-1 sound deadening mat is easy to work with and feels high-quality. The butyl material is thick and pliable, making it simple to cut and fit into doors, floors, or panels.
After installation, road noise and vibrations are noticeably reduced, and it also seems to improve the overall cabin feel. No bad smell.
At 25 sq ft per roll, it’s a good value for anyone looking to dampen noise and improve car acoustics. Overall, a solid, effective option for automotive soundproofing. Used on a Fiesta ST.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 15, 2026
★★★★★ 5
Made a big improvement in cabin noise—highly recommend
Model: SLH20025
Siless Hybrid made a huge difference in reducing noise in the floor of my truck cabin. In some areas, there was basically just bare sheet metal between the inside and outside, so adding this really helped the truck feel more solid and noticeably quieter on the road.
I used Kilmat on the doors, and honestly I wish I had used Siless Hybrid there too, but it was too late by the time I realized the difference. This material is very sticky, easy to cut, and simple to apply, which made the install pretty smooth.
Just a heads-up: the tacky side gets messy and will bond to clothing really easily, so be careful during installation. Overall, I’d definitely buy it again—great product with real results.
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Reviewed in the United States on December 2, 2025
★★★★★ 5
Very good product at a fair price
Model: SLH20025
Very good sound deadener and heat shield, it is a bit sticky to work with, but easy to shape and cut
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Reviewed in the United States on April 19, 2026
★★★★★ 5
I wish I had Siless 20 years ago!!!
Model: SLH20025, Model: SLH20025
I have installed all kinds of insulation in vehicles over many years. I only needed to purchase 2 boxes to complete the entire interior siding of my 2025 chevy express, what a great value! I wanted to insulate my locksmith van for sound and heat. The sound reduction virtually eliminated the road noise. These panels also look amazing. It got up to 110F in the sun with the doors closed. After adding Siless insulation the temperature maxed out at 97F. That is a massive difference. Plus, I didn't even finish with the roof before testing. Siless Hybrid 3in1 was extremely easy to cut and adhere onto metal panels. I'm impressed with the quality of the individual panels and the adhesive is not toxic smelling compared to some others. My favorite thing about these panels is you can actually take them off and readjust them before they finally stick and they do not leave any black residue behind when you pull them up to adjust them. All I needed was a heat gun, knife and a roller to complete this job. The size of each panel is perfect, you can handle them with ease. I probably won't need your product again for a while, but when I do I will definitely be back.
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Reviewed in the United States on September 21, 2025
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