http://en.wikipedia.org/wiki/Poultry_farming
Growth hormones
Chickens grow much more rapidly than they once did and some consumers have concluded that this rapid growth is due to the use of hormones in these animals. Some consumers believe that the increasingly earlier onset of puberty in humans is the result of the liberal use of such hormones. However, hormone use in poultry production is illegal in the United States.[27] Similarly, no chicken meat for sale in Australia is fed hormones.[28] Furthermore, several scientific studies have documented the fact that chickens grow rapidly because they are bred to do so.[29][30] A small producer of natural and organic chickens confirmed this assumption:
| “ | If this were 1948, you might have something to worry about. Using hormones to boost egg production was a brief fad in the Forties, but was abandoned because it didn't work. Using hormones to produce soft-meated roasters was used to some extent in the Forties and Fifties, but the increased growth rates of broilers made the practice irrelevant--the broilers got as big as anyone wanted them to get when they were still young enough to be soft-meated without chemicals.
The only hormone that was ever used in any quantity on poultry (DES) was banned in 1959, after everyone but a few die-hard farmers had given them up as a silly idea. Hormones are now illegal in poultry and eggs. The people who advertise "No hormones" are either woefully ignorant or are indulging in cynical fear-mongering, maybe both.[31] |
当然现在网上各种信息很多，信哪个是个人选择。我没有看到让我认为可信的肉鸡和蛋鸡添加激素的证据。我觉得更重要的是这些问题：一是消费者因为价格便宜而过度消费动物性食品（还有其他加工食品），引起肥胖和其他健康问题；二是和大规模集成化饲养、大量消费相关的伦理和环境问题。我个人现在并不吃肉类和鸡蛋（主要不是出于健康考虑），也认为食品安全问题应该是消费者关注监督的，不过我觉得有些信息夸大了。
意见不同没关系。谢谢您提供的信息。
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