【摘要】：為了研究酵母硒、黃芪多糖對(duì)半番鴨屠宰性能和血清生化、抗氧化指標(biāo)的影響,從22日齡健康半番鴨中選出體質(zhì)量相近的144只,采用單因子試驗(yàn)設(shè)計(jì),隨機(jī)分為4組(3個(gè)試驗(yàn)組,1個(gè)對(duì)照組),對(duì)照組飼喂基礎(chǔ)飼糧,試驗(yàn)組在基礎(chǔ)飼糧中分別添加0.3%酵母硒、300 mg/kg黃芪多糖和二者的復(fù)合物(300 mg/kg黃芪多糖+0.3%酵母硒),每組3個(gè)重復(fù),每個(gè)重復(fù)12只。結(jié)果顯示:除復(fù)合劑組半番鴨半凈膛率顯著高于對(duì)照組(P0.05)外,各試驗(yàn)組半番鴨較對(duì)照組的屠體率、全凈膛率、胸肌率、腿肌率均呈升高趨勢(shì)(P0.05),而腹脂率和皮脂率均低于對(duì)照組(P0.05)。復(fù)合劑組血清尿酸含量極顯著低于對(duì)照組(P0.01),且與黃芪多糖組差異有統(tǒng)計(jì)學(xué)意義(P0.05);復(fù)合劑組血清尿素氮含量顯著低于對(duì)照組和黃芪多糖組(P0.05);各試驗(yàn)組半番鴨血清乳酸脫氫酶活性均顯著低于對(duì)照組(P0.05),但各試驗(yàn)組間差異無(wú)統(tǒng)計(jì)學(xué)意義(P0.05);各試驗(yàn)組半番鴨血清白蛋白及球蛋白含量較對(duì)照組呈上升趨勢(shì)(P0.05),而總蛋白含量、白球比、膽固醇含量、谷草轉(zhuǎn)氨酶和堿性磷酸酶活性均呈降低趨勢(shì)(P0.05)。復(fù)合劑組半番鴨血清谷胱甘肽過(guò)氧化物酶活性、總抗氧化能力較對(duì)照組顯著增加(P0.05),且復(fù)合劑組血清總抗氧化能力顯著高于黃芪多糖組(P0.05);各試驗(yàn)組半番鴨血清超氧化物歧化酶活性較對(duì)照組呈增加趨勢(shì)(P0.05);復(fù)合劑組和酵母硒組半番鴨血清丙二醛含量較對(duì)照組顯著降低(P0.05)。綜上所述,在基礎(chǔ)飼糧中添加酵母硒、黃芪多糖及其復(fù)合劑對(duì)半番鴨屠宰性能無(wú)明顯影響,但在一定程度上可提高半番鴨機(jī)體的代謝水平和抗氧化能力,且復(fù)合劑的添加效果尤為顯著。
[Abstract]:In order to study the effects of yeast selenium and astragalus polysaccharide on slaughtering performance, serum biochemical and antioxidant indexes, 144 healthy muscovy ducks of 22 days of age were selected for single factor design. They were randomly divided into 4 groups (3 experimental groups and 1 control group). The control group was fed with basic diet. The experimental group was fed with 0.3% yeast selenium in the basal diet. 300 mg/kg Astragalus polysaccharides and their complex (300 mg/kg Astragalus polysaccharides 0.3% yeast selenium), each group 3 repeat, each repeat 12 rats. The results showed that the percentage of carcass, total muscovy, pectoralis and leg muscle in the experimental group was higher than that in the control group (P0.05), except that in the compound group was significantly higher than that in the control group (P0.05), the percentage of sternal muscle, pectoral muscle and leg muscle of the experimental group were significantly higher than that of the control group (P0.05). The abdominal fat rate and sebum rate were lower than the control group (P0.05). The serum uric acid content in the compound group was significantly lower than that in the control group (P0.01), and the difference was statistically significant (P0.05), while the serum urea nitrogen content in the compound group was significantly lower than that in the control group and the astragalus polysaccharide group (P0.05). The activity of lactate dehydrogenase in the serum of each experimental group was significantly lower than that of the control group (P0.05), but there was no significant difference among the test groups (P0.05). Compared with the control group, the serum albumin and globulin contents of each experimental group increased (P0.05), while the total protein content, white ball ratio, cholesterol content, glutamic oxaloacetic transaminase and alkaline phosphatase activity decreased (P0.05). The glutathione peroxidase activity and total antioxidant capacity of muscovy duck serum in the compound group were significantly higher than those in the control group (P0.05), and the total antioxidant capacity in the compound group was significantly higher than that in the astragalus polysaccharide group (P0.05). Compared with the control group, the activity of serum superoxide dismutase (SOD) in each experimental group was increased (P0.05), and the malondialdehyde (MDA) content in serum of muscovy duck in the compound group and yeast selenium group was significantly lower than that in the control group (P0.05). To sum up, adding yeast selenium to basic diet, astragalus polysaccharide and its compound had no significant effect on slaughtering performance of muscovy duck, but it could improve metabolism level and antioxidant ability of muscovy duck to some extent. And the effect of adding compound agent is especially remarkable.
【作者單位】： 福建省農(nóng)業(yè)科學(xué)院畜牧獸醫(yī)研究所;福建農(nóng)林大學(xué)食品科學(xué)學(xué)院;
【基金】：福建省農(nóng)業(yè)科學(xué)院創(chuàng)新團(tuán)隊(duì)項(xiàng)目(CXTD-02-14) 福建省公益類(lèi)科研專項(xiàng)(2014R1023-11) 福建省種業(yè)創(chuàng)新工程項(xiàng)目(FJZZZY-1504)
【分類(lèi)號(hào)】：S834.5

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