摘要
选用２４只二月龄的杂交鹅（川白×太湖），随机分成对照组（１２只）和试验组（１２只）。试验组于日粮中一次性添加半胱胺（１００ｍｇ／ｋｇ·ＢＷ）。处理后第三天从翅静脉采取血样。用ＲＩＡ双抗法测定其中的β－ＥＮＤ、ＩＧＦ－Ｉ和各种激素的含量。结果表明：试验组的ＳＳ含量较对照组低１９．６４％（Ｐ＜０．０５）、而ＧＨ、ＩＧＦ－Ｉ和β－ＥＮＤ含量较对照组分别高５０．００％（Ｐ＜０．０１）、６２．８０％（Ｐ＜０．０１）和４４．５５（Ｐ＜０．０５）；与对照组相比较，试验组的ＴＳＨ低３２．３２％（Ｐ＜０．０５），Ｔ４下降１４．７２％（Ｐ＞０．０５），而Ｔ３升高２６．８０％（Ｐ＜０．０１）。以上结果提示：半胱胺可能是通过降低鹅血液中ＳＳ含量，使β－ＥＮＤ、ＩＧＦ－Ｉ、ＧＨ和Ｔ３水平升高，从而促进了鹅的快速生长。
Twenty four two month old crossbred gosling(Chuan white×Tai lake)were used in this study to evaluate the effect of CS on several endocrine parameters.The birds were allocated randomly into control and treated group.CS was added in the diet for the treated group at the dosage of 100mg/kg BW on the first day of the experiment.The blood samples were collected on the third day via the wing vein.Plasma endocrine parameters were measured by radioimmunoassay(RIA).In the treated group,the somatostatin(SS) concentration was significantly lower than that of control group(P<0 05),while growth hormone (GH),IGF I and β endorplin (β END)levels were increased by 50 10%(P<0 01),62 80%(P<0 01) and 44 55%(P<0 05),respectively The throtropic hormone(TSH) and T 4 levels were reduced by 32 32%(P<0 05)and 14 72%(P>0 05),respectively,while T 3 was increased by 26 80%(P<0 05).The results indicate that CS can decrease the plasma SS,TSH levels,whereas increase the levels of GH,IGF I,β END and T 3,therefore accelerate growth in gosling.
出处
《畜牧兽医学报》
CAS
CSCD
北大核心
1998年第3期285-288,共4页
ACTA VETERINARIA ET ZOOTECHNICA SINICA
基金
国家自然科学基金
关键词
半胱胺
鹅
生长
内分泌
激素
鹅
β-END
Cysteamine,Somatostatin,Gosling,Growth,Endocrine function
