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Updated: Aug 12, 2026

06:30
Noninvasive, In-pen Approach Test for Laboratory-housed Pigs
Published on: June 5, 2019
Abstract:
Although the dairy cow plays an integral role in the ecology of sound food production, its welfare, as well as economic efficiencies and soundness of food production under modern industrial-scale systems of management, are questioned. Major areas of welfare concern are identified and reforms and ethical guidelines suggested.
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Cloning of Dolly the Sheep
The first successfully cloned mammal was Dolly, a sheep, born on 5th July 1996 at Roslin Institute, Scotland. The cloned sheep was named after the American singer Dolly Parton. Dolly lived for seven years and died of respiratory complications, which is speculated to be due to the actual age of her DNA. Because the DNA in cloned cells belongs to an older individual, the cloned individual’s life expectancy may be affected. Indeed, analysis of Dolly’s DNA revealed shorter telomeres than other...

