This product’s journey from last year’s mediocre performance to today’s standout capability demonstrates how much thoughtful formulation can impact a pregnant mare’s health. Having tested countless feeds, I can confidently say that the Purina Omolene #300 Mare & Foal Horse Feed 50 lb truly impressed me with its holistic approach. Its whole grain nutrition supports pregnancy and lactation, while the Outlast supplement specifically targets gastric health—key for comfort and digestion during this demanding time.
What really sets it apart is the balanced blend of high-fat nuggets and natural antioxidants, promoting a shiny coat and strong growth. Compared to other options, it offers a comprehensive nutrient profile that fosters muscle and bone development, making it a reliable choice for expectant mares. This thorough testing confirms that Purina Omolene #300 not only meets essential nutritional needs but also excels in supporting overall well-being. I recommend this as a smart, value-packed solution for keeping your mare healthy and thriving during her pregnancy.
Top Recommendation: Purina Omolene #300 Mare & Foal Horse Feed 50 lb
Why We Recommend It: It combines targeted gastric support with high-quality nutrition, including whole grains, antioxidants, and milk components for muscle and bone growth. Its balanced formulation effectively addresses the key needs of a pregnant mare, outperforming others with its holistic approach and proven ingredient quality.
Best feed for pregnant mare: Our Top 3 Picks
- Purina Omolene #300 Mare & Foal Horse Feed 50 lb – Best Mare and Foal Feed
- Purina Impact Mare & Foal Horse Feed 50 lb – Best Feed for Pregnant Mares
- Equerry Selenium & Vitamin E Horse Supplement 5lb – Best Supplement for Nutritional Support
Purina Omolene #300 Mare & Foal Horse Feed 50 lb
- ✓ Supports pregnancy and lactation
- ✓ Promotes gastric health
- ✓ Enhances coat shine
- ✕ Slightly pricey
- ✕ Needs feeding consistency
| Nutritional Composition | Whole grains rich in antioxidants, phytonutrients, and prebiotic fibers |
| Gastric Support Supplement | Formulated with Outlast supplement to support gastric health and maintain proper pH |
| Fat Content | Contains Purina Amplify high-fat nuggets to promote body condition, shine, and bloom |
| Fortified Nutrients | Enriched with amino acids and polysaccharides from mare’s milk to support muscle growth and bone development |
| Intended Use | Supports pregnancy, lactation, and proper growth of mares and foals |
| Package Size | 50 lb (22.7 kg) |
It’s early morning, and I’m watching my pregnant mare graze peacefully in the pasture when I notice how vibrant her coat looks. That’s when I realize her diet could be making all the difference.
I’ve been giving her the Purina Omolene #300 Mare & Foal Horse Feed, and honestly, it’s a game-changer.
This feed has a rich, wholesome appearance, with visible whole grains that remind me of natural ingredients I’d want for my own diet. The nuggets are firm but easy to chew, which my mare seems to appreciate, especially during her pregnancy.
I love that it’s formulated with Outlast supplement—her gastric health feels more stable, and she shows fewer signs of discomfort.
What really stands out is how her coat has started to shine more, and her overall body condition feels just right. The high-fat Amplify nuggets seem to support her energy levels without overfeeding, so I know she’s getting what she needs without the risk of excess weight.
I’ve also noticed her muscles and bones seem stronger, thanks to the added milk components like amino acids and polysaccharides.
Most days, I feel confident that she’s getting a balanced, nutritious diet that supports her pregnancy, lactation, and growth. The grains are packed with antioxidants and prebiotics, which I appreciate for helping her digestive system stay happy.
Overall, this feed feels like a solid investment in her health and well-being.
Purina Impact Mare & Foal Horse Feed 50 lb
- ✓ Balanced nutrition for pregnancy
- ✓ Supports shiny coat
- ✓ No corn or by-products
- ✕ Slightly pricey
- ✕ Larger bag size needed
| Crude Protein | Minimum 14-16% |
| Fat Content | Added fat for increased caloric density, specific percentage not provided |
| Starch and Sugar Level | Controlled, with no corn or corn-by-products |
| Amino Acids | Includes lysine and methionine |
| Vitamin and Mineral Content | Fortified to meet the nutritional needs of broodmares and growing horses |
| Formulation Standards | Developed by Ph.D. Equine Nutritionists based on research |
Many people assume that all horse feeds for pregnant mares are just high-calorie mixes with added vitamins. I thought so too until I opened a bag of Purina Impact Mare & Foal.
The first thing I noticed was how clean and consistent the pellets were, with no dust or crumbs slipping through.
As I fed it to my mare, I observed how she eagerly chewed, which isn’t always the case with less appealing feeds. The added fat is noticeable—her coat started shining within a week, giving her that healthy, bloom-like appearance.
Plus, the controlled starch and sugar formula made me feel better about her digestive comfort, especially since it’s free from corn and by-products.
What really stood out is the high-quality protein content. The amino acids like lysine and methionine seem to support her growing foal and overall health.
I appreciated that it’s formulated by Ph.D. equine nutritionists, so I knew it was backed by research rather than just marketing claims.
Feeding this made my mare’s energy levels stable without any spikes or crashes. The fortified vitamins and minerals also gave me peace of mind, knowing her nutritional needs are being met at every stage of her pregnancy.
Overall, it’s not just a high-calorie feed, but a carefully balanced diet that supports her and her foal’s well-being.
Equerry Selenium & Vitamin E Horse Supplement 5lb
- ✓ Easy to mix into feed
- ✓ Supports muscle and digestion
- ✓ Suitable for pregnant mares
- ✕ Slightly pricey
- ✕ Small bag might need frequent refills
| Active Ingredients | Vitamin E and bioavailable Selenium |
| Digestive Enzymes | 5 targeted enzymes for nutrient breakdown and absorption |
| Probiotic Strains | 5 species of microencapsulated probiotics |
| Formulation Type | Meal mix for easy feeding |
| Intended Use | Supports muscle, nerve, reproductive health, and digestion in pregnant mares and performance horses |
| Net Weight | 5 pounds (2.27 kg) |
The moment I opened the bag of Equerry Selenium & Vitamin E Horse Supplement, I was surprised by how finely ground the mix was. It’s almost like a rich, earthy powder that instantly smells of fresh herbs and vitamins.
I didn’t expect something so easy to incorporate, but it dissolves seamlessly into my horse’s daily feed with no fuss.
Adding this supplement to my pregnant mare’s diet was a game changer. I noticed her muscle tone seemed more balanced, and her coat looked shinier than usual.
I especially appreciated the digestive enzymes, which helped her absorb nutrients better—she’s less gassy and more energetic now.
The probiotic blend was a pleasant surprise, too. I could tell her gut was happier, as she didn’t show any signs of discomfort or sluggishness.
The meal form makes it super easy to mix in, and I love that I can give it to growing foals or performance horses as well.
After a few weeks, I saw a reduction in muscle soreness post-training and felt reassured that her reproductive health was supported. It feels like I’ve finally found a supplement that covers so many needs in one simple product.
Plus, it’s compact, so I don’t have to worry about storage or mess.
All in all, I’m genuinely impressed. It’s a comprehensive supplement that delivers on its promises—supporting muscle, digestion, and immune health.
If you’re looking for a reliable feed boost, this one’s worth trying.