Tujuan dari penelitian ini adalah untuk mengetahui performa ayam Merawang umur 4, 6, dan 8 bulan yang menggunakan bungkil inti sawit (BIS) di dalam ransum. Rancangan yang digunakan adalah rancangan acak lengkap (RAL) faktorial dengan 4 level pemberian bungkil sawit sebagai faktor pertama dan 3 level umur ayam sebagai faktor ke dua dan setiap unit percobaan terdiri dari 6 ekor. Ransum perlakuan terdiri atas perlakuan 100% ransum komersial, 90% ransum komersial + 10% BIS, 80% ransum komersial + 20% BIS dan 70% ransum komersial + 30% BIS. Variabel yang diamati meliputi pertambahan berat badan, konsumsi pakan, dan konversi pakan. Hasil penelitian menunjukkan bahwa pemberian bungkil inti sawit dalam ransum ayam Merawang sampai dengan level 30% tidak memberikan pengaruh yang nyata terhadap performa ayam Merawang namun perbedaan umur ayam memberikan pengaruh yang nyata terhadap performa ayam Merawang. Kesimpulan bungkil sawit dapat diberikan dalam campuran pakan ayam Merawang sampai dengan tingkat 30 %.
<p class="MDPI17abstract"><strong>Objective: </strong><em>Clitoria ternatea</em> L is a legume that has the potential as animal feed. This study determined to evaluate tannins, flavonoids, and lignin levels in different urea fertilizer applications and harvesting ages.</p><p class="MDPI17abstract"><strong>Methods: </strong>This study used a split-plot design with three replications. The main plots were urea levels (0 kg/ha, 100 kg/ha, and 200 kg/ha), as subplots were harvesting ages (30, 45, and 60 days after planting (DAP)). Fresh weights of <em>Clitoria ternatea</em> L harvested at the ages of 30, 45 and 60 DAP were weighed and recorded. The weighed forage is put in newspapers and dried in a 55°C oven for three days to gain a constant dry weight. The dried samples were then ground using a willey mill with a sieve porosity of 1 mm. Furthermore, the sample is analyzed to determine the content of secondary metabolites. The parameters observed were tannins, flavonoids, and lignin levels. Analysis of variance (ANOVA) was used to analyze Research data, and Duncan's Multiple Range (DMRT) was used to analyze the differences between means.<strong></strong></p><p class="MDPI17abstract"><strong>Results: </strong>The lowest lignin content of <em>Clitoria ternatea</em> L was prodiced in non-urea treatment (20.64± 2.53%), and significantly different compared to various levels of urea fertilization treatment (P<0.05). The highest tannin levels were obtained at 30 DAP harvest age (4.20±0.56%) and significantly different (P<0.05) from tannin levels at 45 and 60 DAP. The lowest flavonoid levels were obtained when the plants were harvested in 60 DAP (0.87±0.05%) and significantly different (P<0.05) compared to 30 and 45 DAP.<strong></strong></p><p><strong>Conclusions: </strong>The increase of urea fertilization level in <em>Clitoria ternatea</em> L only significantly affected lignin levels. The decrease of lignin content value is linear with the increase of harvesting age. In contrary, harvesting age of <em>Clitoria ternatea</em> L showed significant linear effects on tannins and flavonoids value.</p>
Sugar palm is a plant that has many benefits in human life. One of the most popular is water sap which is made to produce palm sugar, and even palm plants can also be produced to produce flour. This study aimed to identify the parts contained in the sugar palm plant and the sap produced by the sugar palm plant in GN Riting Village, Membalong Belitung District. This research was conducted to identify the parts contained in one sugar palm plant and the production of sap produced by sugar palm plants. The research method used in this study is a survey method with a sampling technique using purposive sampling. Based on the results of a survey conducted by researchers, the height of the sugar palm stem is 580 cm, the number of leaves is 11 leaves, the number of Mayang is seven female Mayang, 2-3 male Mayang, and fruit length is 39.8 cm, and the resulting sap production is 30 liters.
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