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The Leghorn, [a] Italian: Livorno or Livornese, is a breed of chicken originating in Tuscany, in central Italy.Birds were first exported to North America in 1828 from the Tuscan port city of Livorno, [6] on the western coast of Italy.
The same mutation was later found in another flock of Barred Rocks and in White Leghorn. Affected birds had as good vision as normal ones. In 1983 Brumbaugh, Bargar and Oetting [19] reported a third recessive allele at the C pigment locus, to which they assigned the symbol c a. This allele in homozygous individuals produces a kind of partial ...
Blue Brassy Back Blue Light Brown Blue-red Brown Brown Red Sometimes called Gold Birchen. Coloured Coronation Cream Light Brown Dark brown Exchequer only in the Leghorn [4]: 187 Ginger Red Golden Neck Golden-necked mille fleur Gray Lemon Blue Light Brown Pyle Alternatively spelt Pile. Red Pyle Quail Salmon Silver Blue Silver Gray Splash Tolbunt
The Iowa Blue's exact origin is unknown, but is the subject of a folk legend that is said to have involved the mating of a White Leghorn hen and a pheasant. [1]: 90 This is especially unlikely considering that Leghorns are light-weight birds with white earlobes, yellow skin, and which lay white eggs.
[4]: 432 His aim was to produce a dual-purpose chicken that would be suitable for meat production and would also lay large white eggs. By cross-breeding of Barred Plymouth Rock and White Leghorn birds, an autosexing breed with barred gray adult plumage was produced. As in other autosexing breeds, the sex of chicks can be distinguished at about ...
Harry S. Lamon was the senior poultry expert of the Bureau of Animal Industry of the U.S. Department of Agriculture.From 1912, working at the Henry A. Wallace Beltsville Agricultural Research Center in Beltsville, Maryland, he crossed white Plymouth Rocks, silver-gray Dorkings and white Leghorns to produce a breed with good egg-laying capabilities which would – unlike most layer breeds ...
Figure 1. Feathering types in ten-day-old chicks.Left: Fast normal-feathering chick. Right: Delayed-feathering chick carrying sex-linked K gene. Delayed-feathering in chickens is a genetically determined delay in the first weeks of feather growing, which occurs normally among the chicks of many chicken breeds and no longer manifests itself once the chicken completes adult plumage.
A 7-week-old cream pullet. The Legbar has three colour varieties: gold, silver and cream. [15] The cream variant has a crest and lays blue, olive or green eggs. [11]: 53 The Legbar is considered a rare breed by the Poultry Club of Great Britain and, until the Autosexing Breeds Association was re-formed, fell under the Rare Poultry Society.