本文選題：乳鴿 + 酵母硒��； 參考：《動物營養(yǎng)學報》2017年07期

【摘要】：本試驗旨在研究酵母硒和納米硒對育肥后期乳鴿生長性能、肉中微量元素含量及血清抗氧化指標的影響。將210只21日齡健康的美國王鴿隨機分成7組,每組3個重復,每個重復10只。試驗采用2(硒源)×4(硒水平)雙因素隨機試驗設(shè)計,飼糧硒源分別為酵母硒和納米硒,硒添加水平分別為0(對照,飼喂硒含量為0.08 mg/kg的基礎(chǔ)飼糧)、0.1、0.3、0.5 mg/kg(以硒計)。預試期3 d,正試期7 d。結(jié)果表明:1)各組乳鴿平均日采食量、平均日增重和料重比無顯著差異(P0.05)。2)各加硒組乳鴿肉中硒含量均顯著高于對照組(P0.05),且隨著硒添加水平的升高而增加,硒源和添加水平之間存在顯著交互作用(P0.05);與對照組相比,0.1、0.3、0.5 mg/kg硒的酵母硒組肉中硒含量分別顯著提高了28.72%、62.09%、106.05%(P0.05),0.1、0.3、0.5 mg/kg硒的納米硒組分別顯著提高了19.83%、26.12%、45.65%(P0.05),且酵母硒組肉中硒的含量顯著高于納米硒組(P0.05)。3)與對照組相比,0.3、0.5 mg/kg硒的酵母硒和納米硒組乳鴿血清總超氧化物歧化酶、谷胱甘肽過氧化物酶、過氧化氫酶活性及總抗氧化能力均顯著提高(P0.05),血清丙二醛含量顯著降低(P0.05);與對照組、0.1 mg/kg組相比,0.3、0.5 mg/kg組血清過氧化氫酶活性、總抗氧化能力顯著提高(P0.05),血清丙二醛含量顯著降低(P0.05)。綜上,飼糧中添加酵母硒和納米硒均能顯著增強育肥后期乳鴿血清抗氧化性能,顯著提高鴿肉中硒的含量。
[Abstract]:The purpose of this experiment was to study the effects of yeast selenium and nanometer selenium on growth performance, trace element content in meat and serum antioxidant index of pigeon in later stage of fattening. 210 21-day healthy pigeons were randomly divided into 7 groups with 3 replicates in each group and 10 in each group. The 2 (selenium source) 脳 4 (selenium level) two-factor randomized design was used. The dietary selenium sources were yeast selenium and nanometer selenium, and the selenium supplementation level was 0 (control). The basal diet fed with 0. 08 mg/kg selenium content was 0.3g / kg (0. 5 mg / kg) (in terms of selenium). The pretest period was 3 days and the positive test period was 7 days. The results showed that there was no significant difference in daily feed intake, average daily gain and feed weight ratio (P0.05g. 2) the selenium content in pigeon meat of each selenium added group was significantly higher than that of the control group (P 0.05), and increased with the increase of selenium supplementation level. There was significant interaction between selenium source and supplementation level (P 0.05); compared with the control group, the selenium content of yeast selenium group with 0.30.5 mg/kg selenium increased significantly, respectively. The content of selenium in the meat of the yeast selenium group increased significantly by 28.72102.09% 106.05 mg/kg selenium, and the content of selenium in the meat of yeast selenium group increased significantly by 19.83C 26.125.65% P0.05, and the content of selenium in the meat of yeast selenium group was significantly higher than that of the control group, and the content of selenium in the meat of the yeast selenium group was significantly higher than that of the control group. The content of selenium in the meat of the yeast selenium group was significantly higher than that of the control group. Compared with the control group, the amount of yeast selenium with 0.3 mg/kg selenium and the serum total superoxide dismutase of pigeon with nanometer selenium group were significantly higher than that of the control group. Glutathione peroxidase (GSH), catalase activity and total antioxidant capacity were significantly increased, serum malondialdehyde (MDA) content was decreased significantly, and serum catalase activity in 0.30.5 mg/kg group was significantly lower than that in control group (0.1 mg/kg). The total antioxidant capacity was increased significantly, and the content of malondialdehyde in serum decreased significantly. In conclusion, the addition of yeast selenium and nanometer selenium in diet could significantly enhance the antioxidant activity of serum and the content of selenium in pigeon meat.
【作者單位】： 湖南農(nóng)業(yè)大學動物科學技術(shù)學院;湖南畜禽安全生產(chǎn)協(xié)同創(chuàng)新中心;湖南全民鴿業(yè)有限公司;
【基金】：湖南農(nóng)業(yè)大學產(chǎn)學研合作項目(13098) 湖南畜禽安全生產(chǎn)協(xié)同創(chuàng)新中心專項資金(CICAPS)
【分類號】：S836.5

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