Judul: Pengruh Faktor Anti Nutrisi Daun Glirisidia (Gliricidia sepium) Terhadap Produksi dan Reproduksi Ayam Petelur
Abstrak: Penelitian ini bertujuan untuk mengkaji peran senyawa antinutrisi yang terdapat pada daun glirisidia. Selain itu juga untuk mengetahw pengaruh kumarin murni yang diduga sebagai senyawa antinutrisi utama dam glirisidia terhadap produksi dan reproduksi aynm petelur. Beberapa cara pengolahan dilakukan pula sebagai usaha untuk menurunkan kandungan faktor antinutrisi pada daun glirisidia sehingga dapat digunakan secara optimal sebagai salah satu suplemen pakan unggas.
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Judul: Proporsi Daun Gamal (Gliricidia sepium) Dan Kembang Sepatu (Hibiscus rosa-sinensis) Dalam Blok Suplemen Pakan Gula Lontar Pada Domba
Abstrak: Di daerah-daerah yang musim kemaraunya panjang, kualitas pakan ternak ruminansia (terutama rumput lapangan sebagai makanan pokok) umumnya rendah. Keadaan ini sangat berpengaruh terhadap tingkat produksi ternak. Salah satu upaya untuk mengatasi masalah ini adalah dengan mensuplai zat-zat makanan, juga melakukan optimalisasi sistim fermentasi rumen melalui pemberian blok suplemen pakan dengan menggunakan gula lontar sebagai sumber energi, daun gliricidia sebagai pasokan protein yang tahan degradasi dalam rumen, dan daun kembang sepatu yang selain sebagai pasokan protein, juga sebagai agensia defaunasi. Oleh karena itu, maka penelitian ini dilakukan untuk menguji 1) kemampuan blok suplemen pakan dalam upaya mengatasi konsumsi rumput lapangan yang bermutu rendah, dan 2) kombinasi daun gliricidia dan daun kembang sepatu di dalam blok suplemen pakan pada ruminansia. Penelitian ini dilakukan pada 24 ekor domba lokal jantan lepas sapihan berumur 6 - 8 bulan dengan rataan bobot badan 10,19 1,23 kg. Perlakuan yang diberikan adalah rumput lapangan saja (R), rumput lapangan + blok suplemen pakan (BSP) yang mengandung daun gliricidia 10,0% dan daun kembang sepatu 0% (R), daun gliricidia 7,5% + daun kembang sepatu 2,5% (R₂), daun gliricidia 5,0% + daun kembang sepatu 5,0% (R,), daun gliricidia 2,5% + daun kembang sepatu 7,5% (R), daun gliricidia 0% + daun kembang sepatu 10,0% (R,). Komposisi blok suplemen pakan terdiri dari gula lontar 45%, dedak padi 10%....dst
Keyword: palm sugar, dietary substances supplementation, palmyra plant potential

Judul: Characteristic of Overshooting Top (OT) Based on  Himawari  8  Satellite  as  a  Convective  Cloud  Feature  that  Generates  Extreme Weather in the Java Island Region
Abstrak: Overshooting Top (OT) is a feature at the top of a convective cloud that is associated with extreme weather. Research on OT in tropical Indonesia is still very limited. The existence of geostationary satellites with wide area coverage and fast frequency observations is useful for observing the fast dynamics of the OT life cycle. Therefore, this study intends to analyze the relationship between OT and extreme weather, updraft and thermodynamic conditions of OT when extreme weather occurs, the best objective method for detecting OT in the day time and night time, and the spatiotemporal distribution of OT in the tropical region of Java Island during the 2018-2021 period. Based on visual analysis using visible channel and Himawari 8 sandwich products, 87% of extreme weather events in Java were accompanied by the appearance of OT. It indicates that the presence of the OT pattern is a convection cloud pattern or feature that is closely related to extreme weather events for the Java Island region. The existence of a time lag between the appearance of OT and extreme weather events on Java Island indicates that the OT of convection cloud can be used as a precursor or nowcasting for the appearance of extreme weather. Most of the convective cloud OT features during extreme weather events on Java Island have altitude that were only able to exceed the altitude of the equilibrium level and few were able to exceed the tropopause level of 9 km – 16 km. The difference in atmospheric conditions during extreme weather events on Java Island, which is in the tropics and subtropics, is a strong and unstable convective energy condition characterized by a larger CAPE, as well as unstable KI, LI, SI and TTI values. It is offset by kinematic factors in the form of a weak vertical wind shear (bulk wind shear 0-6 km) and a higher freezing point height. The difference between extreme weather events in the Java Island region and other tropical regions compared to subtropical regions is the strong updraft speed of convection clouds. The IRW Texture COMB algorithm based on the IRW-Texture Gradient modification and the COMB algorithm shows a significant increase in quality for detecting OT and non-OT pixels in Java. Rainy days with rainfall > 50 mm/day are very common in areas with an altitude of > 500 m. On the other hand, the level of convection activity which is indicated by the presence of OT and lightning is significantly reduced in this area. OT of convective clouds appear more frequently during the DJF season and less frequently during the JJA season. OT often appears during the day time and rarely at night time. Most OTs appear in the central part, away from the south and north coasts of Java Island during the day, while OTs that appear near the south and north coasts of Java Island can appear in the morning or afternoon.
Keyword: convective clouds, extreme weather, Overshooting Tops, Himawari 8 Satellite