小龙虾（学名：procambarusclarkii）：是甲壳纲、十足目、螯虾科水生动物。小龙虾通常携带肺吸虫，也称克氏原螯虾、红螯虾和淡水小龙虾。形似虾而甲壳坚硬。成体长约5.6-11.9厘米，暗红色，甲壳部分近黑色，腹部背面有一楔形条纹。幼虾体为均匀的灰色，有时具黑色波纹。螯狭长。甲壳中部不被网眼状空隙分隔，甲壳上明显具颗粒。额剑具侧棘或额剑端部具刻痕。
是淡水经济虾类，因肉味鲜美广受人们欢迎。因其杂食性、生长速度快、适应能力强而在当地生态环境中形成的竞争优势。其摄食范围包括水草、藻类、水生昆虫、动物尸体等，食物匮乏时亦自相残杀。小龙虾近年来在中国已经成为重要经济养殖品种。在商业养殖过程中应严防逃逸，尤其是严防逃入人迹罕至的原生态水体。其对当地物种生态竞争优势而导致破坏性危害。
小龙虾食品属于食品类别，按照美国食品和药物管理局(food and drugadministration)规定小龙虾食品出口美国需要办理食品fda认证。食品又分为人吃食品和动物吃食品。
人吃食品涉及的类别：
1.alcoholic beverages[21 cfr 170.3(n)(2)]
2.baby(infant and junior)food products including infantformula
3.bakery products, dough mixes,or icings[21 cfr170.3(n)(1),(9)]
4.beverage bases[21 cfr 170.3(n)(3),(35)]
5.candy without chocolaie,candy specialties and chewing gum[21cfr 170.3（n）（6）、（9）、（25）、（38）]
6.cereal preparations,breakfast foods,quick cooking / instantcereals [21 cfr 170.3 (n)(4]
7.cheese and cheese product categories [21 cfr 170.3(n)(5)]
a.soft, ripened cheese
b.semi-soft cheese
c.hard cheese
d. other cheeses and cheese products
8.chocolate and cocoa products [21 cfr 170.3(n) (3),(9),(38),(43)]
9.coffee and tea[21 cfr 170.3(n)(3),(7)]
10.color additives for foods [21 cfr 170.3 (o)(4)]
11.dietary conventional foods or meal replacements (includesmedical foods)[21 cfr 170.3 (n)(31)]
12. dietary supplement categories
a. proteins, amino acids, fats and lipid substances [21 cfr170.3(o) (20)]
b. vitamins and minerals
c. animal by-products and extracts
d. herbals and botanicals
13. dressing and condiments [21 cfr 170.3 (n) (8), (12)]
14. fishery / seafood product categories [21 cfr 170.3 (n) (13),(15), (39), (40)]
a. fin fish, whole or filet
b. molluscan shellfish
c. other shellfish .
d. ready to eat (rte) fishery products
e. processed and other fishery products
15. food additives, generally recognized as safe (gras)ingredients, or other ingredients used for processing [21 cfr 170.3(n) (42); 21 cfr 170.3 (0) (1), (2), (3), (5), (6), (7), (8), (9),(10), (11), (12), (13), (14), (15), (16), (17), (18), (19), (22),(23), (24), (25), (26), (27), (28), (29), (30), (31), (32)]
16. food sweeteners (nutritive) [21 cfr 170.3 (n) (9) (41), 21cfr 170.3 (o) (21)]
17. fruit and fruit products [21 cfr 170.3 (n) (16), (27), (28),(35), (43)]
a. fresh cut produce
b. raw agricultural commodities
c. other fruit and fruit products
18. fruit or vegetable juice, pulp or concentrate products [21cfr 170.3 (n) (3), (16), (35)]
19. gelatin, rennet, pudding mixes, or pie fillings [21 cfr170.3 (n) (22)]
20. ice cream and related products [21 cfr 170.3 (n) (20),(21)]
21. imitation milk products [21 cfr 170.3 (n) (10)]
22. macaroni or noodle products [21 cfr 170.3 (n) (23)]
23. meat, meat products and poultry (fda regulated) [21 cfr170.3 (n) (17), (18), (29), (34), (39), (40)]
24. milk, butter, or dried milk products [21 cfr 170.3 (n) (12),(30), (31)] .
25. multle food dinners, gravies, sauces and specialties [21 cfr170.3 (n) (11) (14), (17), (18), (23), (24), (29), (34), (40)]
26. nuts and edible seed product categories [21 cfr 170.3 (n)(26), (32)]
a. nut and nut products
b. edible seed and edible seed products
27. prepared salad products [21 cfr 170.3 (n) (11), (17), (18),(22), (29), (34), (35)]
28. shell egg and egg product categories [21 cfr 170.3 (n) (11),(14)]
a. chicken egg and egg products
b. other eggs and egg products
29. snack food items (flour, meal or vegetable base) [21 cfr170.3 (n) (37)]
30. spices, flavors, and salts [21 cfr 170.3 (n) (26)]
31. soups [21 cfr 170.3 (n) (39), (40)]
32. soft drinks and waters [21 cfr 170.3 (n) (3), (35)]
33. vegetable and vegetable product categories [21 cfr 170.3 (n)(19), (36)]
a. fresh cut products
b. raw agricultural commodities
c. other vegetable and vegetable products
34. vegetable oils (includes olive oil) [21 cfr 170.3 (n)(12)]
35. vegetable protein products (simulated meats) [21 cfr 170.3(n) (33)]
36. whole grains, miller grain products (flours), or starch [21cfr 170.3 (n) (1), (23)]
37. if none of the above food categories apply, then print theapplicable food category or categories (that does not or do notappear above)
1. grain or grain products (i.e., barley, grain sorghums, maize,oat, rice, rye, wheat, other grains or grain products)
2. oilseed or oilseed products (i.e., cottonseed, soybeans,other oilseeds or oilseed products)
3. alfalfa products or lespedeza products
4. amino acids or related products
5. animal protein products
6. botanicals and herbs
7. brewer products
8. chemical preservatives
9. citrus products
10. direct fed microbials
11. distillery products
12. enzymes
13. fats or oils
14. fermentation products
15. forage products
16. human food by-products not otherwise listed
17. marine products ;
18. milk products
19. minerals or mineral products
20. miscellaneous or special purpose products
21. molasses or molassess products
22. non-protein nitrogen products
23. peanut products
24. processed animal waste products
25. screenings
26. technical additives
27. vitamins or vitamin products
28. yeast products
29. mixed feed (e.g., poultry, livestock, equine)
30. pet food
31. pet treats or pet chews
32. pet nutritional supplements (e.g., vitamins, minerals)
33. if none of the above food categories apply, then print theapplicable food category or
categories (that does not or do not appear above)
小龙虾食品fda认证办理流程如下：
1、 小龙虾食品fda认证---申请人提供产品资料所需要申请fda认证的产品信息；
2、 小龙虾食品fda认证---申请人提供产品资料所需要申请fda认证的公司信息；
3、 小龙虾食品fda认证---根据申请人提供的产品信息，向申请方报价；
4、小龙虾食品fda认证服务协议---申请方确认报价后填写申请表、签订服务协议；
5、小龙虾食品fda认证--申请小龙虾食品fda认证所需要的dengbaishi编码
6、小龙虾食品fda认证--选择fda认证美国代理人 ；
7、小龙虾食品认证；
8、认证完成，获得美国号码
小龙虾fda认证周期
小龙虾作为食品级fda认证，周期一般1周内完成
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