饲粮中添加金盏花粉末及提取物对产蛋日本鹌鹑营养物质消化率、生产性能、血清生化、抗氧化指标、免疫反应及部分肠道细菌数量的影响

A. Abdelwahab, M. Aly, M. Saad, R. Abdelrasoul
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引用次数: 0

摘要

本试验旨在研究金盏花粉末(COP)和提取物(COEx)对产蛋日本鹌鹑生产酶、消化酶、营养物质消化率系数、蛋黄胆固醇、血清代谢物、肠道细菌含量、抗氧化能力和免疫性状的影响。试验选用9周龄母鸡504只(雄性168只,雌性336只),随机分为7个处理,每6个重复,每个重复12只(雄性4只,雌性8只)。第1组饲喂基础饲粮(对照组),2 ~ 4组分别饲喂在基础饲粮中添加0.6%、0.9%和1.2% COP的试验饲粮。5 ~ 7组分别饲喂在基础饲粮中添加150、200和250 ppm COEx的试验饲粮。饲粮COEx水平为1.2%、200和250 ppm时,蛋鸡产蛋率、产蛋率、蛋重和蛋质量均显著(p≤0.001)提高,且饲料系数最佳,对采食量无显著影响。COEx浓度分别为250 ppm、1.2%和200 ppm时,鹌鹑蛋黄胆固醇显著(p≤0.001)降低。血清生化指标(总胆固醇、TG、HDL和LDL)、肝功能、抗氧化指标、免疫应答和部分肠道细菌(乳酸菌)计数显著(p≤0.001)改善。COEx和COP处理显著(p≤0.001)改善了消化酶,特别是在COEx达到250 pm时。结果表明,饲粮中COP为0.6%,COEx为250 ppm的鹌鹑营养物质消化率最高(p≤0.001)。综上所述,饲粮中添加200和250 ppm COEx可改善蛋鹑消化酶、营养物质消化、生产性能、血清生化、免疫指标、抗氧化能力和肠道微生物含量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
EFFECT OF DIETARY SUPPLEMENTATION OF POT MARIGOLD FLOWER POWDER AND EXTRACT (CALENDULA OFFICINALIS) ON NUTRIENT DIGESTIBILITY, PERFORMANCE, SERUM BIOCHEMISTRY, ANTIOXIDANT PARAMETERS, IMMUNE RESPONSE AND SOME GUT BACTERIAL COUNT OF LAYING JAPANESE QUAIL
: The aim of this study was to investigate the influence of Calendula officinalis flowers either as a powder (COP) or as an extract (COEx) on productive, digestion enzymes, nutrient digestibility coefficients, egg yolk cholesterol, serum metabolites, gut bacterial content, antioxidant capacity and immunological traits in laying Japanese quail. 504 hens (168 males and 336 females), at 9 th weeks of age were randomly distributed to seven experimental treatments, with six replicates of 12 birds each (four males and eight females). The first treatment was received a basal diet (control), groups from two to four fed on the basal diet supplemented with 0.6, 0.9 and 1.2 % COP, respectively. While, groups from five to seven were fed on basal diet supplemented with 150, 200 and 250 ppm COEx, respectively. Hens fed with 1.2% COP, 200 and 250 ppm COEx levels had significantly (p ≤ 0.001) higher egg number, egg production %, egg weight, and egg mass with the best feed conversion ratio without holding significant effect on feed intake. Egg yolk cholesterol was significantly (p ≤ 0.001) decreased in quails treated with 250 ppm COEx 1.2 % COP and 200 ppm COEx, respectively. Serum biochemistry (total cholesterol, TG, HDL and LDL), liver functions, antioxidant parameters, immune response and some gut bacterial count ( Lactobacillus ) were significantly (p ≤ 0.001) improved by some treatments. Digestive enzymes were significantly (p ≤ 0.001) improved by treatments with COP and COEx especially at 250 pm COEx. Finally, quails fed diets containing 0.6 % COP and 250 ppm COEx had significantly (p ≤ 0.001) the highest nutrient digestibility percentage. The present study concluded that the dietary supplementation with 200 and 250 ppm COEx to laying quail improved digestive enzymes, digestion of nutrients, productive performance, serum biochemistry, immunological parameters, antioxidant capacity, and gut microbial content.
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