本文選題：鴿 + 嗉囊　； 參考：《中國家禽》2017年13期

【摘要】：試驗旨在研究繁殖期鴿嗉囊組織形態(tài)學及生長因子含量動態(tài)變化規(guī)律。選取52對白羽王鴿肉種鴿(60周齡,公母配對),于孵化期第2(I2)、4(I4)、6(I6)、10(I10)、14(I14)、17(I17)天和哺育期第1(R1)、4(R4)、7(R7)、10(R10)、15(R15)、20(R20)、25(R25)天取嗉囊組織進行測定(每個時間點雌、雄鴿各4只)。嗉囊組織形態(tài)、胰島素樣生長因子-1(IGF-1)及表皮生長因子(EGF)檢測結(jié)果:繁殖期,雌雄鴿嗉囊上皮厚度與嗉囊IGF-1及EGF含量呈正相關(guān),三者均于R1時期存在最大值;雌雄鴿嗉囊內(nèi)壁相鄰褶皺距離均于R1時期減少至最小值;與I2時期相比,R1時期雌雄鴿嗉囊上皮嗜酸性細胞形態(tài)增大,形狀為粗糙的多邊形。雌鴿嗉囊上皮厚度、嗉囊內(nèi)壁相鄰褶皺距離、嗉囊IGF-1和EGF濃度分別于R1、R10、I14和I17時期顯著大于雄鴿。試驗表明,繁殖期種鴿嗉囊生長因子可能參與調(diào)控嗉囊形態(tài)學變化過程,且存在性別差異。
[Abstract]:The purpose of the experiment was to study the dynamic changes of histomorphology and growth factor content of pigeon crop during breeding period. A total of 52 pairs of white feather pigeons were selected for 60 weeks of age, males and females were matched to each other, and their tissues were collected for determination on the 2nd stage of incubation (each time point, the male pigeon 4, 4) and the first stage of the feeding period, the 1st R1, 4R47R7R7R7R7R7R10, R10, R15, R20, R20, 25R25, for determination of the tissue of the bursa (4 male pigeons each at each point of the incubation period). The results of crop tissue morphology, insulin-like growth factor (IGF-1) and epidermal growth factor (EGF) showed that the thickness of crop epithelium in male and female pigeons was positively correlated with the content of IGF-1 and EGF in crop during reproductive period. The eosinophilic cells in the crop epithelium of female and male pigeons in R1 period were larger than those in I2 period, and the shape of eosinophilic cells in the crop epithelium of male and female pigeons decreased to the minimum in R1 period, and the shape of eosinophilic cells was rough polygon. The thickness of the craw epithelium of female pigeon, the distance between the inner wall of the crop and the concentration of IGF-1 and EGF of the crop were significantly higher than those of the male pigeon at the stage of R1 / R10 / I14 and I17, respectively. The results showed that crop growth factor of pigeon in breeding period might be involved in the regulation of crop morphology, and there were sex differences.
【作者單位】： 浙江大學動物科學學院;淮陰師范學院生命科學學院;中國農(nóng)業(yè)科學院家禽研究所;
【基金】：國家自然科學基金(31501974) 江蘇省自然科學基金(SBK2015040737)
【分類號】：S836

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本文編號：1979347