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  2. Poultry farming - Wikipedia

    en.wikipedia.org/wiki/Poultry_farming

    The dual-purpose chicken selected by the Lohmann group, the “Lohmann Dual”, [50] is raised in Switzerland by a few breeders, and the Coop network decided to launch the experiment with a test on 5,000 poultry, although knowing that instead of producing up to 300 eggs per year like very good laying hens, it will only produce around 250 eggs ...

  3. Poultry farming in the United States - Wikipedia

    en.wikipedia.org/wiki/Poultry_farming_in_the...

    Selective breeding over the centuries has produced hens that lay more eggs than they can hatch. Some of this progress was ancient, but most occurred after 1900. In 1900, average egg production was 83 eggs per hen per year. In 2000, it was well over 300. In the United States, laying hens are butchered after their second egg laying season.

  4. Feed conversion ratio - Wikipedia

    en.wikipedia.org/wiki/Feed_conversion_ratio

    For hens used in egg production in the US, as of 2011 the FCR was about 2, with each hen laying about 330 eggs per year. [25] When slaughtered, the world average layer flock as of 2013 yields a carcass FCR of 4.2, still much better than the average backyard chicken flock (FCR 9.2 for eggs, 14.6 for carcass). [26]

  5. Intensive animal farming - Wikipedia

    en.wikipedia.org/wiki/Intensive_animal_farming

    On average, a chicken lays one egg a day, but not on every day of the year. This varies with the breed and time of year. In 1900, average egg production was 83 eggs per hen per year. In 2000, it was well over 300. In the United States, laying hens are butchered after their second egg laying season.

  6. Poultry - Wikipedia

    en.wikipedia.org/wiki/Poultry

    As is the case with chickens, various breeds have been developed, selected for egg-laying ability, fast growth, and a well-covered carcase. The most common commercial breed in the United Kingdom and the United States is the Pekin duck, which can lay 200 eggs a year and can reach a weight of 3.5 kg (7 lb 11 oz) in 44 days. [34]

  7. Related: Chicken Getting a 'Cluck Cup' From Starbucks Wins the Internet "When you want to lay an egg but the dog pissed you off because he's in his kennel," the video's onscreen caption reads. The ...

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