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This is a list of prices of chemical elements. Listed here are mainly average market prices for bulk trade of commodities. Listed here are mainly average market prices for bulk trade of commodities. Data on elements' abundance in Earth's crust is added for comparison.
Iridium compounds are used as catalysts in the Cativa process for carbonylation of methanol to produce acetic acid. [92] [93] Iridium complexes are often active for asymmetric hydrogenation both by traditional hydrogenation. [94] and transfer hydrogenation. [95] This property is the basis of the industrial route to the chiral herbicide (S ...
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Black Laced not used; black-laced plumage is named after the red series colour instead: "golden laced" for black and red, "citron laced" for black and buff, "silver laced" for black and white Blue Laced Blue Laced Red Buff Laced also known as Chamois [3]: 447 Golden Laced Sebright Silver Laced
[2]: 289 The light Sussex has a white body with a black tail and black in the flight feathers and wing coverts; the neck hackles are white with black striping. The buff has the same markings, but with greenish-black on a golden-buff ground. The silver is similar to the light, but has grey thighs and a dark breast with silver lacing.
In 1950, the average American consumed 20 pounds (9 kg) of chicken per year, but 92.2 pounds (41.9 kg) in 2017. [108] Additionally, in 1980 most chickens were sold whole, but by 2000 almost 90 percent of chickens were sold after being butchered into parts.
A white colour variety was bred in South Africa the 1930s, [10] and in Australia in the 1940s. [11] It was recognised in Australia in 2012. [ 4 ] A bantam Australorp was bred in the early 1930s by Roy Corner and Jack Mann, and was first exhibited at a poultry show in 1934.
In the U.S., the average feed conversion ratio (FCR) of a broiler was 1.91 kilograms of feed per kilograms of liveweight in 2011, an improvement from 4.70 in 1925. [18] Canada has a typical FCR of 1.72. [19] New Zealand commercial broiler farms have recorded the world's best broiler chicken FCR at 1.38. [20]