上海海洋大学学报
上海海洋大學學報
상해해양대학학보
JOURNAL OF SHANGHAI OCEAN UNIVERSITY
2010年
2期
196-200
,共5页
史少奕%李小勤%冷向军%朱瑞俊%吴世林
史少奕%李小勤%冷嚮軍%硃瑞俊%吳世林
사소혁%리소근%랭향군%주서준%오세림
杂交鲶%体色%叶黄素
雜交鯰%體色%葉黃素
잡교염%체색%협황소
hybrid catfish(Silurus meridionalis Chen×Silurus asotus Linnaeus)%body color%xanthophylls
通过在饲料中添加4种不同形式叶黄素考察其对杂交鲶(Silurus meridionalis Chen×Silurus asotus Linnaeus)体色的影响.实验共分5个处理组,分别为基础饲料组(对照组)、添加普通叶黄素(以黄体素为主)200 mg/kg组、转化叶黄素(以玉米黄质为主) 200 mg/kg组、包被普通叶黄素100 mg/kg组、包被转化叶黄素100 mg/kg组.以上述5种饲料分别饲喂平均体重为61 g的杂交鲶20 d.结果表明,各组生长指标无显著差异;各叶黄素添加组鱼体背部皮肤、腹部皮肤黄度值及皮肤、肌肉叶黄素含量均显著高于对照组(P<0.05),普通叶黄素组背部皮肤、腹部皮肤叶黄素含量较转化叶黄素组显著提高20.3 %、11.3 %(P<0.05);添加100 mg/kg包被普通叶黄素对杂交鲶的着色效果与200 mg/kg普通叶黄素几乎相当;添加100 mg/kg包被转化叶黄素对杂交鲶的着色效果不及200 mg/kg转化叶黄素.上述研究表明,普通叶黄素对杂交鲶的着色效果优于转化叶黄素;普通叶黄素经包被处理后,在饲料中的添加量降低50 %便能达到相同的着色效果.
通過在飼料中添加4種不同形式葉黃素攷察其對雜交鯰(Silurus meridionalis Chen×Silurus asotus Linnaeus)體色的影響.實驗共分5箇處理組,分彆為基礎飼料組(對照組)、添加普通葉黃素(以黃體素為主)200 mg/kg組、轉化葉黃素(以玉米黃質為主) 200 mg/kg組、包被普通葉黃素100 mg/kg組、包被轉化葉黃素100 mg/kg組.以上述5種飼料分彆飼餵平均體重為61 g的雜交鯰20 d.結果錶明,各組生長指標無顯著差異;各葉黃素添加組魚體揹部皮膚、腹部皮膚黃度值及皮膚、肌肉葉黃素含量均顯著高于對照組(P<0.05),普通葉黃素組揹部皮膚、腹部皮膚葉黃素含量較轉化葉黃素組顯著提高20.3 %、11.3 %(P<0.05);添加100 mg/kg包被普通葉黃素對雜交鯰的著色效果與200 mg/kg普通葉黃素幾乎相噹;添加100 mg/kg包被轉化葉黃素對雜交鯰的著色效果不及200 mg/kg轉化葉黃素.上述研究錶明,普通葉黃素對雜交鯰的著色效果優于轉化葉黃素;普通葉黃素經包被處理後,在飼料中的添加量降低50 %便能達到相同的著色效果.
통과재사료중첨가4충불동형식협황소고찰기대잡교염(Silurus meridionalis Chen×Silurus asotus Linnaeus)체색적영향.실험공분5개처리조,분별위기출사료조(대조조)、첨가보통협황소(이황체소위주)200 mg/kg조、전화협황소(이옥미황질위주) 200 mg/kg조、포피보통협황소100 mg/kg조、포피전화협황소100 mg/kg조.이상술5충사료분별사위평균체중위61 g적잡교염20 d.결과표명,각조생장지표무현저차이;각협황소첨가조어체배부피부、복부피부황도치급피부、기육협황소함량균현저고우대조조(P<0.05),보통협황소조배부피부、복부피부협황소함량교전화협황소조현저제고20.3 %、11.3 %(P<0.05);첨가100 mg/kg포피보통협황소대잡교염적착색효과여200 mg/kg보통협황소궤호상당;첨가100 mg/kg포피전화협황소대잡교염적착색효과불급200 mg/kg전화협황소.상술연구표명,보통협황소대잡교염적착색효과우우전화협황소;보통협황소경포피처리후,재사료중적첨가량강저50 %편능체도상동적착색효과.
The objective of this study was to investigate the effect of four different forms of xanthophylls added in feeds on body color of hybrid catfish (Silurus meridionalis Chen×Silurus asotus Linnaeus). Five diets were prepared in the study, i.e. basal diet (control), basal diet supplemented with 200 mg/kg normal xanthophylls, 200 mg/kg transformed xanthophylls, 100 mg/kg coated-normal xanthophylls and 100 mg/kg coated-transformed xanthophylls, and fed to hybrid catfish for 20 days. The results indicated no significant differences in growth among treatments but the value of yellowness of the dorsal, ventral skin and xanthophylls content in skin, muscle of fish fed different xanthophylls were significantly higher than those of control (P<0.05). The content of xanthophylls in dorsal and ventral skin of normal xanthophylls group were increased by 20.3 %, 11.3 % compared with transformed xanthophylls group (P<0.05). Pigmentation effect of 100 mg/kg coated-normal xanthophylls was similar to 200 mg/kg normal xanthophylls whereas 100 mg/kg coated-transformed xanthophylls was worse than 200 mg/kg transformed xanthophylls. We conclude that better pigmentation was obtained by adding normal xanthophylls than transformed xanthophylls and when the adding dose of coated-normal xanthophylls was half of normal xanthophylls, the pigmentation effect of former was same as the latter.