凝結(jié)芽孢桿菌對感染沙門氏菌蛋雞生產(chǎn)性能、蛋品質(zhì)和血漿生化指標的影響
本文選題:蛋雞 + 凝結(jié)芽孢桿菌��; 參考:《動物營養(yǎng)學(xué)報》2017年12期
【摘要】:本試驗旨在研究凝結(jié)芽孢桿菌對感染沙門氏菌前后蛋雞生產(chǎn)性能、蛋品質(zhì)的影響,并探究其對感染沙門氏菌蛋雞血漿生化指標的影響。將400只沙門氏菌陰性、體況健康的京紅商品代蛋雞根據(jù)產(chǎn)蛋率無顯著差異(P0.05)原則隨機分成4組(A組、B組、C組和D組),每組5個重復(fù),每個重復(fù)20只雞。對照組(A組和C組)飼喂基礎(chǔ)飼糧,凝結(jié)芽孢桿菌組(B組和D組)在基礎(chǔ)飼糧中添加2.5×1010CFU/kg凝結(jié)芽孢桿菌;飼喂1周后,C組和D組連續(xù)2 d定量口服腸炎沙門氏菌懸浮液(1×108CFU/mL),A組和B組口服等量無菌磷酸鹽緩沖液(PBS),繼續(xù)飼養(yǎng)3周。結(jié)果表明:1)感染沙門氏菌前,凝結(jié)芽孢桿菌對蛋雞生產(chǎn)性能無顯著影響(P0.05)。感染沙門氏菌后,沙門氏菌顯著降低了蛋雞平均日采食量(P0.05);凝結(jié)芽孢桿菌極顯著降低了蛋雞料蛋比(P0.01),顯著降低了平均日采食量(P0.05)。2)感染沙門氏菌前,凝結(jié)芽孢桿菌極顯著增加了蛋雞蛋殼重/蛋重(P0.01)。感染沙門氏菌后,沙門氏菌和凝結(jié)芽孢桿菌對蛋雞蛋品質(zhì)指標均無顯著影響(P0.05)。3)感染沙門氏菌后,凝結(jié)芽孢桿菌顯著降低了血漿總膽固醇和甘油三酯含量(P0.05);沙門氏菌顯著降低了血漿總膽固醇、甘油三酯和鈣含量,顯著提高了血漿谷草轉(zhuǎn)氨酶活性(P0.05),極顯著提高了血漿堿性磷酸酶活性(P0.01);凝結(jié)芽孢桿菌與沙門氏菌對血漿總蛋白含量、鈣/磷及谷草轉(zhuǎn)氨酶活性有顯著交互作用(P0.05)。綜上,凝結(jié)芽孢桿菌可改善蛋雞生產(chǎn)性能和蛋品質(zhì),在蛋白質(zhì)代謝、脂質(zhì)代謝、肝功能和鈣磷吸收上都具有一定程度的改善作用。
[Abstract]:The purpose of this study was to study the effects of Bacillus coagulans on performance and egg quality of laying hens before and after infection with Salmonella and to explore the effects of Bacillus coagulans on plasma biochemical indexes of laying hens infected with Salmonella. According to the principle of no significant difference in laying rate (P0.05), 400 healthy Jinghong generation laying hens were randomly divided into 4 groups: group A, group B, group C, and group D, with 5 replicates in each group, with 20 chickens per replica. Control group (group A and group C) were fed basic diet, group B and group D (group B and group D) added 2.5 脳 1010CFU/kg Bacillus coagulans to basal diet. After one week of feeding, group C and group D were fed with the same amount of aseptic phosphate buffer (PBSs) for 3 weeks, respectively, for 2 consecutive days, with a dose of 1 脳 10 8 CFU / m LLX suspension of Salmonella enteritidis for two consecutive days, group A and group B were fed with the same amount of aseptic phosphate buffer (PBS) for 3 weeks. The results showed that there was no significant effect of Bacillus coagulans on the performance of laying hens before infection with Salmonella. After infection with Salmonella, salmonella significantly decreased the average daily feed intake (P0.05N) of laying hens, and Bacillus coagulans significantly decreased the egg feed / egg ratio (P0.01N) and average daily feed intake (P0.05g 路2) before infection with Salmonella. Bacillus coagulans significantly increased egg shell weight / egg weight (P0.01). After infection with Salmonella, salmonella and Bacillus coagulans had no significant effect on egg quality index. Bacillus coagulans significantly decreased plasma total cholesterol and triglyceride contents (P 0.05), Salmonella significantly decreased plasma total cholesterol, triglyceride and calcium contents, The activity of plasma glutamic oxaloacetic transaminase (P0.05) and the activity of plasma alkaline phosphatase (P0.01) were significantly increased, and the interaction between Bacillus coagulans and Salmonella on the contents of plasma total protein, calcium / phosphorus and activity of glutamic oxaloacetic transaminase was significant (P0.05). In conclusion, Bacillus coagulans can improve the performance and egg quality of laying hens. It can improve protein metabolism, lipid metabolism, liver function and calcium and phosphorus absorption to some extent.
【作者單位】: 中國農(nóng)業(yè)大學(xué)動物科技學(xué)院動物營養(yǎng)學(xué)國家重點實驗室;
【基金】:國家蛋雞產(chǎn)業(yè)技術(shù)體系(CARS-41-K15) 北京市農(nóng)業(yè)局試驗示范項目(20140125) 公益性行業(yè)(農(nóng)業(yè))科研專項(201403047)
【分類號】:S831.5
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