We Compared 6 Chick Starter Feeds on Protein and Medication

Why Purina Start & Grow Medicated wins this category

Because coccidiosis kills more backyard chicks than everything else put together, and it is largely preventable.

It is a parasite that thrives in warm, damp brooder litter, and it builds up in an environment that has held chicks before. Amprolium, the medication in this feed, is not an antibiotic: it limits the parasite's ability to take up thiamine, which keeps its numbers low enough that a chick develops natural immunity rather than being overwhelmed.

That is a well-understood mechanism with a long track record, and for unvaccinated chicks it is the standard sensible choice.

Living with Purina Start & Grow Medicated

Eighteen percent protein is the right level for a growing chick, which needs considerably more than an adult layer.

Consistency between bags matters here more than for adult feed, because chicks are far less resilient to a change in ration than a mature hen is. A large mill running a fixed formulation delivers that.

Twenty-five pounds takes a small batch from hatch to about week ten, which is a sensible single purchase.

Where Purina Start & Grow Medicated falls short

The vaccination conflict is the thing to get right, and it is the single most common mistake with chick feed. Many hatcheries now vaccinate chicks against coccidiosis at day old. That vaccine works by exposing the chick to a controlled dose of the parasite so it develops immunity. Amprolium suppresses the parasite, so feeding this to a vaccinated chick cancels the vaccine and leaves the bird with neither protection.

Check with your supplier before ordering feed. It is not always stated clearly.

The other criticisms are minor: it is a conventional corn and soy formulation, not organic, and crumbles produce fines that chicks pick around at the bottom of the feeder.

Why Purina Start & Grow Non-Medicated wins this category

Because it is the correct feed for a specific and increasingly common situation. Hatcheries widely vaccinate chicks against coccidiosis at day old, and that vaccine works by giving the chick a controlled dose of the parasite so it builds immunity.

Feeding a medicated ration to a vaccinated chick suppresses the parasite the vaccine needs, so the bird gets neither the vaccine's protection nor the feed's. Non-medicated is not a compromise here, it is the right answer.

Living with Purina Start & Grow Non-Medicated

The formulation is otherwise identical to the medicated version, so there is no nutritional trade. Eighteen percent protein, the same consistent mill, the same crumble form.

There is also nothing to think about regarding withdrawal periods, which simplifies things for anyone who dislikes medicated feed on principle.

Where Purina Start & Grow Non-Medicated falls short

Without amprolium, coccidiosis prevention rests entirely on management, and that means litter hygiene. The parasite thrives in warm, damp bedding, and the reliable place for damp bedding to appear is under the waterer.

That makes the practical requirements specific: keep the waterer where spills drain or on a raised platform, change wet bedding immediately rather than daily, and never brood a new batch in litter that held the last one.

The risk profile changes with conditions. Unvaccinated chicks, in a brooder used before, in warm humid weather, without medicated feed, is the combination where outbreaks happen. The first sign is usually blood in the droppings and a chick sitting hunched and fluffed up, and by that point you are treating rather than preventing.

If your chicks are unvaccinated, the medicated version is the more sensible purchase.

Why Scratch and Peck Starter wins this category

Because it solves the practical problem with premium chick feed. The better-sourced starters are usually whole grain mashes, and a mash is genuinely difficult for a day-old chick, which handles fine crumbs best and will sort out grain while leaving the powdered supplement fraction behind.

A crumble in a verified non-GMO ration gives you the sourcing without the feeding problem.

Living with Scratch and Peck Starter

Twenty percent protein is a step above the conventional 18, which is useful for fast-growing breeds and for pullets whose adult frame is being set in these weeks.

Ten pounds is a sensible size for a small backyard batch through the first six weeks, at a cost per pound that is more reasonable than the very small premium bags.

Where Scratch and Peck Starter falls short

The certification distinction is the thing most likely to disappoint a buyer, and it is worth stating plainly. Non-GMO Project verification confirms that ingredients are not genetically modified. It says nothing about pesticide or herbicide use, nothing about soil management, and nothing about farming method. It is a real, audited certification and it is not organic certification, and a lot of buyers assume otherwise.

If organic is what you want, buy an organic feed.

There is no medication, so coccidiosis prevention depends entirely on brooder hygiene: dry litter, a waterer that does not spill into bedding, and never reusing litter between batches.

And it costs meaningfully more per pound than conventional starter, which is the price of the sourcing rather than of the nutrition.

Why Mile Four Organic wins this category

Because organic starter feed is a small category and this is one of the few with both real certification and a protein level that makes nutritional sense.

Twenty-one percent is the highest here. That matters most for two groups: fast-growing breeds, whose frames outpace their nutrition on a standard ration, and pullets destined to lay, where early growth sets adult frame size and therefore egg size.

Living with Mile Four Organic

The whole grain format has one genuine advantage, which is that you can see what you are feeding. In a category where a lot of product is a uniform brown crumb, being able to identify the grains is worth something to keepers who care about provenance.

Twenty-three pounds is also a sensible bag size for an organic feed. The 2 lb sample bags this brand also sells are useful for trying it and hopeless as a way to feed a brood.

Where Mile Four Organic falls short

The format is the real criticism, and it is specific to chicks. Day-old chicks are tiny and manage fine crumbs best. A whole grain mash gives them pieces to sort through, and what they leave behind is the powdered supplement fraction carrying the vitamins and minerals.

An adult hen picking around a mash is a mild inefficiency. A three day old chick doing it can genuinely miss part of its nutrition at the point in life when it can least afford to.

Wetting the mash for the first two weeks largely solves it, at the cost of making feeding a twice-daily job.

There is also no medication, so if your chicks are unvaccinated and your brooder has held chicks before, coccidiosis prevention rests entirely on you keeping the litter dry.

And it costs roughly double a conventional starter per pound, which is the standard organic premium.

Why Wholesome Harvest wins this category

Because corn-free and soy-free together is a genuinely difficult formulation. Soy is the standard protein base in poultry feed and corn is the standard energy base, and removing both means replacing them with peas, other legumes and alternative grains at higher cost.

For anyone avoiding these ingredients, whether for the birds or because somebody in the household reacts to soy in eggs, the field of options is small and this is a solid entry in it.

Living with Wholesome Harvest

Reaching 20 percent protein without soy is the technical achievement here, and it means you are not trading nutrition for the ingredient specification. A lot of soy-free feeds land at 16 or 17 percent, which is not enough for a growing chick.

Ten pounds is a low-commitment bag size, useful if you are not sure whether your birds will take to a different formulation.

Where Wholesome Harvest falls short

Acceptance is the practical risk. Feed without corn tastes and smells different, and chicks moving onto it, or coming from a hatchery that started them on a conventional ration, can be slow to eat properly for a few days.

That matters more with chicks than with adults. A hen that eats lightly for two days is fine; a week-old chick that does the same falls behind and often does not catch up. Watch the feeder level and the chicks' crops in the first week rather than assuming.

There is no medication, so coccidiosis prevention rests on brooder hygiene entirely.

And ten pounds does not go far once chicks hit four or five weeks, when consumption rises steeply. Plan on a second bag, and note that the cost per pound at this size is already high.

Why Manna Pro Medicated Chick Starter wins this category

Because most backyard keepers bring home six chicks, not thirty, and a 25 lb sack for six chicks means feed sitting around long after they have moved onto grower.

Feed loses vitamin potency over time. A bag sized to the actual batch is fresher through the whole period the chicks are eating it, which for animals as fragile as young chicks is worth having.

At under ten dollars it is also cheap enough that if a hatch fails or an order is smaller than expected, you have not wasted much.

Living with Manna Pro Medicated Chick Starter

Storage is straightforward. Five pounds goes into a sealed container on a shelf, rather than a paper sack on a garage floor where mice will find it.

The medication is amprolium at the standard inclusion rate, so it does the same job as the larger bags, which is keeping coccidiosis numbers low enough that a chick develops immunity rather than being overwhelmed.

Where Manna Pro Medicated Chick Starter falls short

Cost per pound is substantially higher than a 25 lb sack, in the way that any small pack of a staple is.

More practically, it does not last as long as people expect. Chicks eat very little in week one and a great deal by week five, and consumption roughly triples across the brooding period. Six chicks will get through five pounds in about a month, and they need feeding until 16 to 18 weeks. This is a starting bag rather than a complete solution.

The vaccination conflict applies exactly as it does to any medicated feed: if your chicks were vaccinated for coccidiosis at the hatchery, amprolium cancels that vaccine and you should buy non-medicated instead.