Chickens eject sperm from males they don't fancy
New research finds that even though hens aren't terribly picky about their mates, they are picky about whose sperm makes it to the egg.
New research finds that even though hens aren't terribly picky about their mates, they are picky about whose sperm makes it to the egg.
Plants & Animals
Aug 25, 2011
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Why does holding an egg between two hands and pressing along its long axis make it almost impossible to break? Professor Marc Andre Meyers was first puzzled by this as a child growing up in Brazil. He subsequently proposed ...
Plants & Animals
Jan 26, 2017
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In recent years, egg production has been in the spotlight for animal welfare issues. While the number of European farms with free-range hens has increased, in Spain, 93 percent of laying hens are still caged. This also contributes ...
Environment
Apr 3, 2018
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According to the USDA, Americans consume some 8 billion chickens and 75 billion chicken eggs annually. Despite the importance of chicken in the US diet however, few in this country rely on the birds for their economic livelihood.
Biotechnology
Sep 5, 2012
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(PhysOrg.com) -- Researchers at the University of Warwick and the University of Sheffield have applied computing power to crack a problem in egg shell formation. The work may also give a partial answer to the age old question ...
Materials Science
Jul 9, 2010
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Whether raising chickens in your backyard as pets or as a source of fresh eggs, a Kansas State University pharmacologist says what you don't know about your chickens could hurt you or others.
Plants & Animals
Sep 17, 2014
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How is it that fertilized chicken eggs manage to resist fracture from the outside, while at the same time, are weak enough to break from the inside during chick hatching? It's all in the eggshell's nanostructure, according ...
Nanomaterials
Mar 30, 2018
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205
(Phys.org) —They are the latest foodie fashion and look set to become big business in the baking aisles of all the major supermarkets – the blue egg produced by some chickens is prettier and some say tastier and cleaner-breaking ...
Biotechnology
Aug 20, 2013
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Eggs sold in Australia come with different labels and with different promises of chicken welfare. But what's real, what's hype and what can you do about it?
Other
Feb 20, 2018
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(Phys.org)—A joint research effort by the Friedrich-Loeffler-Institute and pharmaceutical company CureVac, both based in Germany, has resulted in the creation of a new type of flu vaccine. The vaccine, as the team describes ...