Birds were first exported to North America in 1828 from the port city of Livorno, on the western coast of Tuscany. Leghorn chicken breed. White Leghorn chickens is a hardy breed which lays large white eggs, and you can count on around 280 per year, as long as they have enough food, water, and heat.. There are seven chicken breeds that are high egg-laying breeds- hens that lay over 300 eggs in a year. As the leading breed for commercial egg production, Leghorns are no slackers when it comes to egg laying. They are simply too flighty. White or tinted eggs, and they are not nearly as efficient as good production strain white leghorns. Brown Leghorn: Egg Laying, Broodiness, and Temperament. The Leghorn (US: / ˈ l ɛ ɡ h ɔːr n /, UK: / l ɛ ˈ ɡ ɔːr n /; Italian: Livorno or Livornese) is a breed of chicken originating in Tuscany, in central Italy. The breed comes from the port of Livorno, Italy, from a very old Italian population. These are talkative birds. Although they make a better coup or penned bird than a free range, during the summer when the temps are up and the forage is readily available, they will also make a fine free range chicken too. There are seven chicken breeds that are high egg-laying breeds- hens that lay over 300 eggs in a year. In order to identify genetic markers and chromosomal regions associated with egg production in tropical climate, we conducted both quantitative trait locus (QTL) mapping and genome-wide association study (GWAS) in an F2 cross set up between the Taiwan Country chicken L2 line and an INRA experimental line of Rhode … This chicken breed is easy to handle and they lay bright white eggs. Not the best for pets or for meat, these are egg-layers predominantly. Well, if your simply looking for egg production you can't beat a white leghorn. It features 12 color varieties, but the white chickens usually lay the most eggs. You can expect a large white egg 5-7 days per week from one Leghorn hen. The advantage of non-ferrous breeds is the fact that already on the 2nd day you can distinguish the gender of the chickens. Leghorn Chicken Egg Color. Egg production performance of local and White Leghorn hens under intensive and rural household conditions in Ethiopia Solomon Demeke Jimma College of Agriculture, PO Box 307, Jimma, Ethiopia jcolagri@telecom.net.et This saves time and money separating the females for egg production. A single hen has an average production of 280 eggs annually. Egg production. The name of Leghorn is the corrupted name of the seaport of Livorno, not too far from Florence. Developed and imported from Czech Republic, the Pearl Star Leghorns are a cross between Partridge Rocks and Sussex.