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Gamefowl Breeding Calculator

Calculate bloodline percentages, predict traits, and plan multi-generation crosses. Select a sire and dam to get started.

Popular Crosses

Click to auto-fill the sire and dam

Select Parents

Sire (Father)

Dam (Mother)

Breeder Notes

Trait predictions are estimates only. Based on general characteristics of each bloodline according to the gamefowl community. Every bird varies depending on the breeder, sub-strain, conditioning, and many other factors.

A bloodline name is not a guarantee. As veteran breeders say: "A bum is a bum no matter the brand." The quality of the individual bird matters more than the bloodline name.

Percentages are theoretical. Genetics are not perfectly predictable. There are dominant/recessive genes, sex-linked traits, and random variation.

This is a planning tool, not a guarantee. Use it to explore potential crosses, but always evaluate individual birds based on their actual traits.

Consult experienced breeders. No calculator can replace the knowledge of a veteran breeder with decades of hands-on experience.

How the Calculator Works

Each parent contributes exactly 50% of its genetics to the offspring. If the sire is 100% Kelso and the dam is 100% Sweater, the offspring will be 50% Kelso and 50% Sweater.

In backcrossing — crossing offspring back to one of the parent lines — percentages shift gradually. For example, crossing a 50/50 Kelso-Sweater back to a pure Kelso produces 75% Kelso / 25% Sweater. Once a bloodline drops below 5%, it is considered genetically insignificant.

Trait predictions are based on the general characteristics of each bloodline according to the gamefowl community consensus. This is not an exact science — every bird is different — but it can help you plan your breeding program.

Popular Crosses

Kelso × Sweater — The most popular cross in the Philippines. Kelso intelligence meets Sweater aggression — a balanced fighter.

Hatch × Roundhead — Power meets aerial ability. Hatch provides the strength, Roundhead brings the agility.

Kelso × Roundhead — Double intelligence cross. Both are smart fighters — side-steppers and counter-fighters.

Sweater × Hatch — Speed and power combination. Aggressive and strong — proven across many derbies.