Increasing the potential of Cajuput leaf waste as cattle feed through fermentation pretreatment

Biogenesis: Jurnal Ilmiah Biologi Pub Date : 2021-06-30 DOI:10.24252/bio.v9i1.21215

A. Widiana, U. Ukit, Prayoga Kusumah, H. Hanifah, Ayu Wiharyati

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Abstract

Waste of cajuput leaves (Melaleuca cajuputi Powell) has the potential to be used as an alternative cattle feed because it has a fairly high nutritional content. The nutritional content of cajuput leaf waste needs to be improved before being used as an alternative feed. The fermentation process can increase nutrient content in cajuput leaf waste and increase the digestibility of organic matter (OMD), dry matter digestibility (DMD), Ammonia (NH3), and Volatile Fatty Acid (VFA). This study aimed to determine the improvement of cajuput leaf waste nutrition with the help of yeast as well as the effect of fermented cajuput leaf waste along with a mixture of concentrates and field grass on digestibility, NH3, and VFA which were carried out in vitro test. The results showed the nutritional content of cajuput leaf waste fermented by yeast of Aspergillus chevalieri had the best value of protein 16.03%, fiber 16.92%, and fat 5.93%. The treatment R4 (50% cajuput leaf waste + 25% concentrate + 25% field grass) had the best digestibility (DMD=46.12%; DMO=32.08%), NH3 (8.37mM) and VFA (168.5mM) production.

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通过发酵预处理提高枣叶废渣作为牛饲料的潜力

由于其营养成分相当高，因此废弃的枣叶具有替代牛饲料的潜力。在作为替代饲料使用之前，还需要提高枣废叶的营养成分。发酵过程可以提高枣叶废弃物中营养物质含量，提高有机质消化率、干物质消化率、氨消化率和挥发性脂肪酸消化率。本研究旨在确定酵母对枣废叶营养的改善作用，以及发酵后的枣废叶与浓缩物和田间草混合对消化率、NH3和VFA的影响，并进行体外试验。结果表明:以chevali曲霉为酵母菌发酵的枣废叶营养成分最高，蛋白质16.03%，纤维16.92%，脂肪5.93%。处理R4(50%枣废叶+ 25%精料+ 25%田间草)消化率最高(DMD=46.12%;DMO=32.08%)， NH3 (8.37mM)和VFA (168.5mM)的产量。

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Biogenesis: Jurnal Ilmiah Biologi

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