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Journal : Jurnal Biologi Tropis

Urea’s Effect on Dry Matter, Organic Matter, and Crude Protein Content of Ammoniated Corn Straw Azhary Noersidiq; Syamsul Hidayat Dilaga; Suhubdy Suhubdy; Muhamad Amin; Fahrullah Fahrullah; Vebera Maslami
Jurnal Biologi Tropis Vol. 23 No. 4 (2023): October - December
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v23i4.5388

Abstract

Feed is an absolute necessity that must be guaranteed in the maintenance of ruminants but its availability is always a problem during the dry season so that a fresh forage is difficult to obtain and only agricultural waste in the form of straw is available. One of widely used by farmers, especially in Lombok region, is corn straw. This research aims to evaluate the nutritional content of corn straw that has been ammoniated using urea. This study used corn straw and urea for the ammoniation process with a complete randomized design (CRD) design consisting of 4 treatments and 4 replications, namely T1= corn straw without ammoniation (control), T2= corn straw ammoniated with a dose of 2% urea, T3= corn straw ammoniated with a dose of 4% urea and T4= corn straw ammoniated with a dose of 6% urea. The variables measured were dry matter (DM), organic matter (OM) and crude protein (CP). The results showed that urea used in the ammoniation process of corn straw showed a significant effect (P<0.05) on increasing the content of DM, OM and CP with results ranging from 21.02% - 23.98% for DM content, 88.13% - 91.07% for OM content and 13.53% - 23.81% for CP content. It was concluded that the best dose of urea for ammoniation of corn straw was treatment T4 with a dose of 6% urea with the results of the content of 23.98% DM; 89.94% OM and 23.81% CP, respectively.
Organoleptic Quality and pH of Silage of Young Corn and Sorghum Syamsul Hidayat Dilaga; Azhary Noersidiq; Fahrullah Fahrullah
Jurnal Biologi Tropis Vol. 23 No. 1 (2023): Special Issue
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v23i4b.5885

Abstract

Effective processing of young corn and sorghum silage can be evaluated based on physical attributes like fragrance, colour, texture, and the properties and transformations that happen in the feed during the ensiling process. These attributes can be employed to assess and establish the quality of the feed. The purpose of this research is to determine the characteristics of young corn and sorghum silage by conducting pH testing and organoleptic analysis. The study used three types of silage: P1 - young corn, P2 - sorghum, and P3 - a mix of young corn and sorghum. The variables examined included colour, aroma, texture, presence of fungi, and pH. The data indicates that the silage produced from young corn and sorghum plants was of high quality. The feed before the silage production process was the same shade, and the end product had a sour scent. Texture-wise, the majority of the silage was slightly rough and not slimy, with no signs of fungal contamination. The pH ranged from 3.63-3.92, confirming the silage's acidic nature. Silage made from young corn and sorghum plants exhibits organoleptic qualities such as a brownish-green hue, mildly fragrant aroma, slightly mushy consistency, and no detected presence of fungus. Moreover, due to its acidic properties resulting from the pH value, it is highly conducive for the proliferation of lactic acid bacteria.
Nutritional Content of Mixed Silage Pennisetum purpureum and Sesbania grandiflora With Different Additive Fermentations Yanuarianto, Oscar; Dilaga, Syamsul Hidayat; Amin, Muhamad; Dahlanuddin, Dahlanuddin; Noersidiq, Azhary; Almatini, Soviliana
Jurnal Biologi Tropis Vol. 25 No. 3 (2025): Juli-September
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i3.9303

Abstract

Forage consisting of grass and legumes is an important aspect of ruminant but availability is often dependent on the rainy season so preservation technology is needed, namely silage. This study aimed to determine the nutritional content of silage made from a mixture of Pennisetum purpureum and Sesbania grandiflora with different doses of fermentation additives. A Completely Randomized Design (CRD) was used, consisting of four treatments with five replications. They were P0: (75% Pennisetum purpureum + 25% Sesbania grandiflora), P1: (75% Pennisetum purpureum + 25% Sesbania grandiflora + 0.1% additive), P2: (75% Pennisetum purpureum + 25% Sesbania grandiflora + 0.2% additive), P3: (75% Pennisetum purpureum + 25% Sesbania grandiflora + 0.3% additive). Each treatment was added 2% molasses and incubated for 21 days. The results showed that the addition of fermentation additives had no significant effect (P>0.05) on DM and OM content but had a highly significant effect (P<0.01) on increasing CP, EE, and TDN content and reducing CF content. The highest average DM and OM values were observed in P0 (21.02% and 89.27%, respectively), while the highest average increases in CP, EE, and TDN were found in P3 (15.31%, 2.85%, and 50.32%, respectively), and the greatest reduction in CF was also recorded in P3 (27.89%).
The Essential Minerals for Rumen Metabolism Muliani; Yasin, Suhbudy; Dilaga, Syamsul Hidayat; Jalaludin
Jurnal Biologi Tropis Vol. 24 No. 1 (2024): Januari - Maret
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v24i1.6373

Abstract

Minerals are a constituent element of nutrition with functions as body defense, reproduction, production and animal body health. In general, minerals act as catalysts that will balance cell membranes, balance acid bases, make enzymes active, and are involved in the fermentation process of rumen microbes. In ruminants, the important role of minerals is to influence the symbiotic micriflora in the digestive tract. The research instrument of this research is Scanning Electron Microscope (SEM) which is integrated with testing with the Energy Dispersive X-ray Spectroscopy (EDX) research instrument. Sampling of forage was carried out at the Teaching Farm Lingsar, Matataram University. Each forage sample was taken approximately 53 g fresh weight. The parameters used are the content of Zinc (Zn), Manganese (Mn), Copper (Cu), Cobalt (Co), and Selenium (Se). Data from the analysis of essential mineral content using SEM is statistically descriptive with data tabulation, data conversion, data averaging and processing with the help of Microsoft Excel. The results of several experiments using Scanning Electron Microscope (SEM) based on the elements of Zn, Mn, Cu, Co and Se, among others: The results of the percentage of Zn elements for grass 0.31% and legumes 0.65%. The results of the percentage of Mn elements for 0.31% and 0.65% legumes. The results of the percentage of Cu elements for grass 4.87% and legumes 7.15%. The results of the percentage of Co elements for grass 0.33% and legumes 0.21%. The results of the Se element percentage for grass 0.23% and legumes 0.7%.
The Nutrient Composition of Fermented Maize Stover with Different Fermentors Yanuarianto, Oscar; Noersidiq, Azhary; Amin, Muhamad; Dilaga, Syamsul Hidayat; Dahlanuddin, Dahlanuddin; Imran, Tya
Jurnal Biologi Tropis Vol. 24 No. 1 (2024): Januari - Maret
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v24i1.6466

Abstract

In tropical areas like Indonesia, the presence of forage feed is significantly impacted by seasonal changes, resulting in abundance during the wet season and scarcity during the dry season. Agricultural waste is a solution as an alternative animal feed, one of which is corn stover. Research aimed at determining the nutritional composition of corn stover fermented with different fermentor was conducted at the Nutrition and Animal Feed Laboratory, Faculty of Animal Science, University of Mataram. This research was organized based on a completely randomized design with four treatments and five replications. They were T0: 1 kg corn stover (CS) without treatment, T1: 1 kg CS + 40 g Saccharomyces cerevisiae (SC); T2: 1 kg CS + 40 ml MA-11; T3: 1 kg CS + 20 gr SC + 20 ml MA-11. The variables observed were physical properties such as colour, texture and aroma and nutritional content (Dry matter (DM), Organic matter (OM), Crude Protein (CP), Crude Fibre (CF) and Crude Fat (CFa). The results showed that the addition of SC and MA-11 not give a significant effect (P>0.05) on CFa. However, the addition of them had a significant effect (P<0.05) on the decrease of DM, BO and SK content and the increase of PK content. The highest average BK and OM contents were obtained in T0 (control) at 81.44%, and 82.20%, the highest average CP and CFa contents were obtained in T2 (MA-11) at 9.36%, and 1.90%. The lowest average CF content was obtained in T2 (MA-11) at 26.40%.