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Practice Reading: Fill in the Blanks (Dropdown)
ID: #36665
Male Chicks
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Male chicks have been dealt a bad hand. They don't lay eggs and typically have less meat on their bones than hens, meaning they're not only useless but a to farmers. As such, these undesirable byproducts of egg production may be killed through gassing. The mass culling of male chicks is not only tragic but also resource-intensive for farmers, who must manually males from females shortly after they hatch. But a groundbreaking development could have major implications for animal welfare in the poultry industry, perhaps finally putting an end to the of an estimated seven billion male chicks each year shortly after they hatch due to their lack of commercial value. Israeli researchers have created gene-edited hens that lay eggs from which only female chicks hatch. The team, led by Dr. Enbal Ben-Tai Cohen, used gene - editing tools to hens that produce eggs with unviable male embryos when exposed to blue light for several hours. Female chick embryos are unaffected by the light and continue to develop normally.
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