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2.http://www.gov.cn/ztzl/fwzk3/content_102349.htm
3.https://www.163.com/dy/article/hk264tel05198cjn.html
4.https://www.tandfonline.com/doi/full/10.1080/22221751.2022.2088407
5.https://www.woah.org/app/uploads/2022/01/hpai-situation-report-20220117.pdf
6.https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/1111614/hpai_europe__34_10_october_2022_final__003_.pdf
7.https://www.efsa.europa.eu/en/news/avian-influenza-unprecedented-number-summer-cases-europe
8.https://www.cdc.gov/media/releases/2022/s0428-avian-flu.html
9.https://www.efsa.europa.eu/en/efsajournal/pub/7597
10.http://www.xmsyj.moa.gov.cn/yqfb/202207/t20220722_6405416.htm
11.http://www.stdaily.com/index/kejixinwen/2021-11/07/content_1230489.shtml
12.https://www.forbes.com/sites/brianbushard/2022/08/10/egg-prices-have-doubled-to-294-a-dozenheres-how-inflation-has-affected-your-favorite-grocery-items/?sh=8239d0d427fe
13.https://www.ams.usda.gov/sites/default/files/media/egg markets overview.pdf
14.https://www.bloomberg.com/news/articles/2022-05-25/egg-prices-seen-rising-as-much-as-21-this-year-amid-us-bird-flu#xj4y7vzkg
15.https://www.marketwatch.com/story/why-egg-prices-are-sizzling-and-when-they-could-cool-off-11660320801
16.https://www.ams.usda.gov/mnreports/pywretailturkey.pdf
17.https://www.reuters.com/markets/europe/soaring-egg-prices-force-french-food-industry-change-recipes-2022-10-05/
18.http://www.nahs.org.cn/jcyj/gwsc/202210/t20221013_411808.htm
19.http://beijing.qianlong.com/2022/1013/7703102.shtml
20.https://m.yicai.com/news/101262889.html
