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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
4.3 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 1
Doesn't last long
Size: King (Pack of 1), Size: King (Pack of 1)
I have only had this pillow for 8 month and it is flat and not comfortable anymore. I sent the company an email and they never responded. I do now recommend that you buy this pillow.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 10, 2024
★★★★★ 2
The pillows have a chemical smell
Size: King (Pack of 1)
I bought two Marlow pillows a while ago. They are great pillows. The two new Marlow pillows I just purchased have a chemical odor. The manufacture date is Sept. 2024. I have them airing out hoping the smell will dissipate , so far that has not happened.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 28, 2025
★★★★★ 5
Simply The Best
Size: King (Pack of 1)
It appears there are more than 1,000 pillows advertised and available all over the Internet. The situation is a comedy routine. If you want a cooling pillow because you're a hot sleeper or if you want a plush pillow for back problems or a combination or neither, it doesn't matter. Be prepared to read 1,000 different advertisements until you start laughing out loud. This is what I did, but I wandered upon this Marlow Pillow system and then trusted the Amazon ratings. And boy am I happy, though a word of caution: if you want the cooling technology to really work you've got to pair this pillow with the Marlow pillow protector. Because Amazon didn't carry the pillow protector I bought it directly from Marlow. And this is the last pillow I'll ever get or need to get. Comfortable like a goose down pillow and yet cool to the touch and cool all night long. So I got lucky; have avoided having to buy multiple pillows; and now am enjoying the heck out of my Marlow King with the Marlow pillow protector. Lastly, this pillow is adjustable with a zipper and it works: you can make it softer or harder with a quick zip. The best pillow out there, by far!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 20, 2023
★★★★★ 5
Really good pillow!
Size: King (Pack of 1)
This is the first pillow that I have owned in the last 10 years in which I have not experienced any neck pain. It's the right density, comfort level, and is a high-quality item. I am a side and stomach sleeper. Try this pillow and I think you'll be happy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 4, 2025
★★★★★ 5
OMG I finally found the one
Color: White, Size: Standard
I use to have a pillow that I took it everywhere. It finally was gone I couldn’t find one that I had. So my quest for the perfect pillow was 17 different pillows. I finally found the one!!! This pillow is soft but is sturdy. My head lays on the pillow and doesn’t fall to the bed. My neck isn’t tilted in an awkward position. The coolness of the pillow is amazing. This pillow is everything I was looking for. The price is 100% worth it.
Edit ok I still love the pillow but you have to flip it because all the stuffing moves to the other side. The pillow still has enough that it was still comfortable. I wish that the stuffing would stay in the same pot.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 6, 2025
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