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饲料中添加叶黄素对胡子鲶体色的影响
引用本文:冷向军.饲料中添加叶黄素对胡子鲶体色的影响[J].水产学报,2003,27(1):38-42.
作者姓名:冷向军
作者单位:1. 上海水产大学渔业学院,上海,200090
2. 广西大学动物科技学院,广西,南宁,530005
3. 广州智特奇饲料科技有限公司,广东,广州,510507
基金项目:广州智特奇饲料科技有限公司资助项目(2001-01-02)
摘    要:进行了3个试验以考察饲料添加叶黄素对本地胡子鲶体色的影响。试验A比较了野生、半人工养殖、全人工养殖胡子鲶体色的差异,其皮肤叶黄素含量分别为8.01、4.64和1.61mg·kg-1鲜组织,肌肉叶黄素分别为2.06、1.83、0.96mg·kg-1鲜组织;试验B采用平均体重为52g的本地胡子鲶成鱼,在基础饲料中分别添加0、100、150、200mg·kg-1叶黄素,饲养6周后,成鱼皮肤叶黄素含量分别为1.07、5.88、7.02、7.81mg·kg-1鲜组织,肌肉叶黄素含量分别为0.64、1.35、1.81、1.86mg·kg-1鲜组织;试验C采用平均体重为3.2g的本地胡子鲶鱼种,在基础饲料中分别添加0、50、100、150mg·kg-1叶黄素,饲养6周后,鱼种皮肤叶黄素含量分别为3.2、8.73、11.49、12.51mg·kg-1鲜组织,肌肉叶黄素含量分别为0.87、1.71、1.97、2.03mg·kg-1鲜组织。上述结果表明,养殖与野生胡子鲶体色的差异主要来源于食物中叶黄素含量的不同,在饲料中添加叶黄素类产品可有效改善养殖胡子鲶体色,叶黄素适宜添加量建议为100mg·kg-1饲料(成鱼)或50mg·kg-1饲料(鱼种)。

关 键 词:胡子鲶  饲料  叶黄素  体色
文章编号:1000-0615(2003)01-0038-05
收稿时间:2014/3/20 0:00:00
修稿时间:2002年3月28日

Effect of xanthophyll addition on body color of Clarias fuscus
LENG Xiang jun.Effect of xanthophyll addition on body color of Clarias fuscus[J].Journal of Fisheries of China,2003,27(1):38-42.
Authors:LENG Xiang jun
Institution:Fisheries College, Shanghai Fisheries University, Shanghai200090, China
Abstract:Three experiments were conducted to study the effect of adding xanthophyll on body color of Clarias fuscus. In experiment A, walking catfish were collected from natural river, common pond and concrete pond, representing wild, semi..cultured and cultured walking catf ish. The xanthophyll content in skin and muscle of each group was 8. 01, 4. 64, 1. 61 and 2. 06, 1. 83, 0. 96 mg..kg - 1 respectively. In experiment B, adult walking catfish, with an average weight of 52g, were divided into 4 groups and fed w ith artif icial diet without ( control) or with 100, 150, 200mg..kg- 1 xanthophyll for 6 weeks. The xanthophyll content in skin and muscle of each group was 1. 07, 5. 88, 7. 02, 7. 81 and 0. 64, 1. 35, 1. 81, 1. 86 mg ..kg - 1 respectively. In experiment C, f ingerling walking catfish, with an average weight of 3. 2g, were divided into 4 groups and fed with artif icial diet w ithout ( control) or w ith 50, 100, 150mg..kg- 1 xanthophyll for 6 weeks. The xanthophyll content in skin and muscle of each group was 3. 2, 8. 73, 11. 49, 12. 51 and 0. 87, 1. 71, 1. 97, 2. 03 mg..kg - 1 respectively. The results showed that the dif ferences of body color between wild and cultured f ishes come from the different xanthophyll content in diets, the addit ion of xanthophyll could improve body color of walking catfish and the feeding strategy for pigment was adding xanthophyll 100 mg..kg- 1 in diet for adult walking catfish or xanthophyll 50 mg..kg- 1 for fingerling.
Keywords:Clarias fuscus  diet  xanthophyll  body color
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