Broiler Performance and Pellet Quality Beyond the Feed Mill

Broiler performance is not shaped by formulation alone, or by what leaves the pellet press. It is shaped by the feed birds actually consume. Between the mixer, conditioner, truck, bin, auger and pan, pellets can break down, fines can increase and nutrients can separate. That means pellet quality is not just a manufacturing measure. It is part of how reliably the formulated diet is delivered to the bird.

For broiler producers, that link matters commercially. Durable, consistent feed can help support more predictable intake, nutrient delivery, flock uniformity and feed conversion. Poor feed form does the opposite. It introduces variation between what was made, what was delivered and what the bird selected at the feeder. That is why broiler performance and pellet quality belong in the same conversation.

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Why broiler performance and pellet quality are linked

Pellets often improve feeding efficiency because birds spend less time and energy eating. But bird response depends on the feed structure that reaches the bird, not just on whether the diet was pelleted. A 2025 Poultry Science narrative review, “Structural architecture of pelleted broiler diets,” makes the point that pellet macrostructure can support feed intake, while pellet microstructure also affects digestive function and nutrient digestibility. That is why pellet quality should be treated as a bird-performance variable as well as a manufacturing metric.

That becomes more important as fines increase. In a 63-day broiler study, birds fed 100% mill fines had lower body weight, poorer feed conversion and lower carcass yield than birds fed diets with a higher pellet proportion. The practical message is not that any fines will hurt performance. It is that when fines become excessive, feed form can start to work against the bird.

How fines, feed handling and nutrient consistency create variation

Fines are not just a feed mill nuisance. They can change what birds receive in the house. A 2020 Journal of Applied Poultry Research study, “Impact of feed form, liquid application method, and feed augering on feed quality, nutrient segregation, and subsequent broiler performance,” showed that feed augering, pellet-to-fine ratio and feed pan location affected physical segregation in commercial broiler houses. Those shifts were associated with changes in body weight gain and body weight uniformity. That matters to both live teams and feed mill operators because flock uniformity can move when pellet quality breaks down after manufacture, not only when it leaves the press.

For nutritionists and technical managers, the bigger issue is whether the diet birds receive stays aligned with the diet formulated at the mill. Work in commercial broiler houses suggests that poorer pellet quality can increase nutrient segregation along feed lines, including variation in amino acids and phytase, while better pellet quality appears to limit that drift. In practical terms, when pellets break down during handling, the delivered diet can begin to move away from the intended one.

Why moisture management belongs in the performance discussion

Moisture management helps build pellet durability and reduce fines, but better pellet durability does not always mean better nutritional value or better bird response. Broiler conditioning work has shown that higher temperatures can improve pellet durability and reduce fines, yet also reduce crude protein digestibility and ileal digestible energy, without improving overall growth performance. In practice, that means physical pellet quality and nutritional value do not always move in the same direction.

For mills and live teams, the practical implication is straightforward. Pellet durability, feeder fines, nutrient consistency and feed conversion should be read together. Looking at only one of those measures can miss where value is being lost.

Pellet quality is not just a mill-efficiency metric. It is one control point in the chain between formulation and bird performance. When pellets break down, fines increase or nutrients separate in the line, the bird may not receive the diet the nutritionist designed or the mill produced. That makes feed form a shared value issue for nutrition, milling and live production teams. The goal is not harder pellets at any cost, but durable, consistent feed that protects intake behavior, nutrient delivery, flock uniformity and feed conversion from conditioner to feeder.

Contact your clean feed expert to assess where pellet quality may be breaking down between mill and feeder, and what that could mean for performance in your system. 

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