用桃花心木叶提取物保护豆粕对瘤胃发酵产物和体外消化率的影响

Merryafinola Ifani, F. M. Suhartati, Efka Aris Rimbawato, Y. Subagyo, Afduha Nurus Syamsi, Hermawan Setyo Widodo
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The research was conducted in three stages, mahogany extraction, protein protection with mahogany extract, and in vitro stages. The research was experimental with in vitro method using a completely randomized design with 4 treatments and 6 replications so that there were 24 experimental units. The treatments consisted of P0 (soybean meal + 0% mahogany extract), P1 (soybean meal + 1.5% mahogany extract), P2 (soybean meal + 3% mahogany extract) and P3 (soybean meal + 4.5% mahogany extract). Measurement of total VFA using the steam distillation method and N-NH3 with the Conway micro diffusion technique (Smith et al., 2005). The research was carried out at the Animal Nutrition and Forage Science Laboratory (INMT), Faculty of Animal Science, Jenderal Soedirman University. Measurement The results were analyzed statistically by analysis of variance, if there were further differences tested using orthogonal polynomial. 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引用次数: 0

摘要

摘要本研究旨在确定使用红木叶提取物保护豆粕对体外总 VFA 产物、N-NH3 浓度、干物质消化率和有机物质消化率的影响。所用材料为豆粕、桃花心木叶、肉牛瘤胃液以及氨和 VFA 浓度分析试剂。研究分三个阶段进行,即桃花心木提取、桃花心木提取物蛋白质保护和体外阶段。研究分三个阶段进行实验,即使用索氏提取法提取桃花心木、将桃花心木提取物与豆粕混合以及使用体外法进行消化率测试。研究结果采用完全随机设计法进行分析,共设 4 个处理和 6 个重复,即 24 个实验单位。处理包括 P0(豆粕 + 0% 红木提取物)、P1(豆粕 + 1.5% 红木提取物)、P2(豆粕 + 3% 红木提取物)和 P3(豆粕 + 4.5% 红木提取物)。总 VFA 采用蒸汽蒸馏法测定,N-NH3 采用康威微扩散技术测定。研究在 Jenderal Soedirman 大学动物科学学院动物营养与膳食科学实验室(INMT)进行。测量结果通过方差分析进行统计分析,如果存在差异,则使用正交多项式进行进一步测试。结果表明,用红木提取物保护豆粕对总 VFA、N-NH3、干物质消化率和有机物质消化率有显著影响(P0.05)。饲喂红木叶提取物保护的豆粕具有立方效应,方程为 Y= 99.67 - 36.44X + 18.19X2 - 2.12X3 (R= 0.98);Y=14+0.798X-0.370X2+0.055X3(R=0.66);Y=60.30-2.89X+2.67X2-0.38X3(R=0.65);Y=59.58-2.65X+1.79X2-0.19X3(R=0.91)。根据总 VFA、N-NH3 浓度、干物质消化率和有机物质消化率,得出添加 3% 的红木提取物是有效的结论。 (用桃花心木叶提取物保护豆粕对瘤胃发酵产物和体外消化率的影响) ABSTRACT.本研究旨在确定桃花心木叶提取物对豆粕中 VFAs 产物、N-NH3 浓度、干物质消化率和有机物质体外消化率的保护作用。所用材料为桃花心木叶、肉牛瘤胃液以及用于分析氨和 VFA 浓度的试剂。研究分三个阶段进行,即桃花心木提取、桃花心木提取物的蛋白质保护和体外阶段。研究采用体外实验法,采用完全随机设计,4 个处理,6 次重复,共 24 个实验单位。处理包括 P0(豆粕 + 0% 红木提取物)、P1(豆粕 + 1.5% 红木提取物)、P2(豆粕 + 3% 红木提取物)和 P3(豆粕 + 4.5% 红木提取物)。采用蒸汽蒸馏法测定总 VFA,采用 Conway 微扩散技术测定 N-NH3 (Smith 等人,2005 年)。研究在 Jenderal Soedirman 大学动物科学学院动物营养与饲草科学实验室(INMT)进行。研究结果通过方差分析进行统计分析,如果存在进一步差异,则使用正交多项式进行检验。结果表明,用红木提取物保护豆粕会显著影响总 VFA 产物、N-NH3、干物质消化率和有机物质消化率(P 0.05)。可以得出结论,添加 3% 的桃花心木提取物能有效提高总 VFA 产物、N-NH3 浓度、干物质消化率和有机物质消化率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Proteksi Bungkil Kedelai dengan Ekstrak Daun Mahoni terhadap Produk Fermentasi Rumen dan Kecernaan In vitro
ABSTRACT. Tujuan penelitian ini adalah untuk mengetahui pengaruh proteksi bungkil kedelai menggunakan ekstrak daun mahoni terhadap produk VFA total, konsentrasi N-NH3, kecernaan bahan kering, dan kecernaan bahan organik secara in vitro. Bahan yang digunakan adalah bungkil kedelai, daun mahoni, cairan rumen sapi potong, serta reagen untuk analisis konsentrasi amonia dan VFA. Penelitian dilakukan dalam tiga tahap yaitu ekstraksi mahoni, proteksi protein dengan ekstrak mahoni, dan tahap in vitro. Penelitian bersifat eksperimental dengan tiga tahap, yaitu ekstraksi mahoni menggunakan metode soxhlet, pencampuran ekstrak mahoni dengan bungkil kedelai, dan uji kecernaan menggunakan metode in vitro. Hasil penelitian dianalisis menggunakan rancangan acak lengkap dengan 4 perlakuan dan 6 ulangan sehingga terdapat 24 unit percobaan. Perlakuan terdiri dari P0 (bungkil kedelai + ekstrak mahoni 0%), P1 (bungkil kedelai + ekstrak mahoni 1,5%), P2 (bungkil kedelai + ekstrak mahoni 3%) dan P3 (bungkil kedelai + ekstrak mahoni 4,5%). Pengukuran VFA total menggunakan metode distilasi uap dan N-NH3 dengan teknik difusi mikro Conway. Penelitian dilakukan di Laboratorium Ilmu Nutrisi dan Makanan Ternak (INMT) Fakultas Peternakan, Universitas Jenderal Soedirman. Pengukuran hasil tersebut dianalisis secara statistik dengan analisis variansi, jika terdapat perbedaan lebih lanjut diuji menggunakan ortogonal polinomial. Hasil penelitian menunjukkan bahwa perlindungan bungkil kedelai dengan ekstrak mahoni berpengaruh nyata terhadap produk VFA total, N-NH3, kecernaan bahan kering dan kecernaan bahan organik (P0,05). Pemberian bungkil kedelai terproteksi ekstrak daun mahoni berpengaruh secara kubik dengan persamaan berturut-turut Y= 99,67 – 36,44X + 18,19X2 – 2,12X3 (R= 0,98); Y= 14 + 0,798X – 0,370X2 + 0,055X3 (R= 0,66); Y= 60,30 - 2,89X + 2,67X2 - 0,38X3 (R= 0,65); dan Y= 59,58 – 2,65X + 1,79X2 – 0,19X3 (R= 0,91). Berdasarkan VFA total, konsentrasi N-NH3, kecernaan bahan kering, dan kecernaan bahan organik disimpulkan bahwa penambahan ekstrak mahoni taraf 3% efisien.  (Protection of soybean meal with mahogany leaf extract on rumen fermentation products and in vitro digestibility) ABSTRAK. The aim of this study was to determine the protective effect of soybean meal using mahogany leaf extract on VFAs product, N-NH3 concentration, dry matter digestibility, and organic matter digestibility in vitro. The materials used were mahogany leaves, beef cattle rumen fluid, and reagents for analysis of ammonia and VFA concentrations. The research was conducted in three stages, mahogany extraction, protein protection with mahogany extract, and in vitro stages. The research was experimental with in vitro method using a completely randomized design with 4 treatments and 6 replications so that there were 24 experimental units. The treatments consisted of P0 (soybean meal + 0% mahogany extract), P1 (soybean meal + 1.5% mahogany extract), P2 (soybean meal + 3% mahogany extract) and P3 (soybean meal + 4.5% mahogany extract). Measurement of total VFA using the steam distillation method and N-NH3 with the Conway micro diffusion technique (Smith et al., 2005). The research was carried out at the Animal Nutrition and Forage Science Laboratory (INMT), Faculty of Animal Science, Jenderal Soedirman University. Measurement The results were analyzed statistically by analysis of variance, if there were further differences tested using orthogonal polynomial. The results showed that the protection of soybean meal with mahogany extract significantly affected the total VFA product, N-NH3, dry matter digestibility and organic matter digestibility (P 0.05). It can be concluded that the addition of 3% level mahogany extract is efficient in increasing the total VFA product, N-NH3 concentration, dry matter digestibility, and organic matter digestibility.
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