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Blue eggs
Hybrid · Czech Republic
Gallus gallus domesticus
Sapphire Gem
Beginner FriendlyCold HardyHeat Tolerantstandarddocile
5.6
Eggs/Week
290/yr
large
Egg Size
5.5 lbs
Weight
4 sq ft
Space Needed
per bird
0.28 lbs
Feed/Day
per bird
rarely
Broodiness
Historical Origin
Czech Republic · Hybrid
The Sapphire Gem is a relatively new hybrid from the Czech Republic that combines high egg production with beautiful blue-grey plumage and a calm temperament. They lay large blue to blue-grey eggs at an impressive rate, rivaling commercial hybrids. An excellent choice for keepers who want blue eggs without sacrificing production.
Temperament & Behavior
This breed is classified as docile with a noise level of quiet and good foraging ability. Broodiness tendency: rarely.
Biological Reference
"Phenotypic analysis of Gallus gallus domesticus (Sapphire Gem) supports a metabolic feed efficiency of 0.28 lbs/day at a standard body mass of 5.5 lbs. Egg production frequency approximates 5.6 ova/week under optimal lighting conditions (14h photoperiod)."
Breed Traits
Egg ColorBlue
Egg Production5.6 eggs/week
Space Required4 sq ft/bird
Feed Per Day0.28 lbs/bird
Cold HardyYes
Heat TolerantYes
Noise Levelquiet
Foraginggood
Beginner FriendlyYes
Dual-PurposeEggs only
cold-hardyheat-tolerantblue-eggsbeginner-friendlyhigh-productiondocilequiet
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