Judul: Efektivitas penggumaam prostaglaldin F2 alfa dalam inseminasi buatan pada kelinci persilangan dengan berbagai konsentrasi sperma motil
Abstrak: Penelitian ini dilakukan dari tanggal 18 September sampai dengan 22 Oktober 1986, di laboratorium Jurusan Reproduksi dan Kebidanan Fakultas Kedokteran Hewan dan Fakultas Peternakan Institut Pertanian Bogor. Tujuannya adalah untuk mempelajari pengaruh penggunaan prostaglandin Falfa dalam inseminasi buatan dengan tingkat konsentrasi spe sperma motil berbeda ter- hadap kebuntingan, jumlah anak per kelahiran, lama kebuntingan dan bobot lahir. Metode penelitian yang digunakan adalah Rancangan Acak Lengkap (RAL) dengan 4 perlakuan. Perlakuan penggunaan prostaglandin Falfa adalah penyuntikan 0.75 mg prostaglandin Falfa intra muskular sesaat sebelum inseminasi dan kemudian 2 di IB dengan konsentrasi sperma motil berbeda yaitu 1, 5, dan 10 juta per 0.5 ml. Inseminasi buatan menggunakan konsentrasi sperma motil 10 juta per 0.5 ml, tanpa penyuntikan prostaglandi Falfa sebagai kontrol. Masing-masing perlakuan mendapat 6 ekor kelinci betina sebagai ulangan. Umur berkisar antara 7 sampai 7.5 bulan dengan bobot badan antara 2.75 sampai 3.84 k Sebagai sumber semen, digunakan 3 ekor pejantan berumur sekitar 1.5 tahun dengan bobot badan 3.0 kg. Pengaruh perlakuan ter- hadap kebuntingan dipelajari dengan menggunakan uji "Chi Square Hasilnya menunjukkan bahwa pengaruh perlakuan terhadap kebuntingan, jumlah anak per kelahiran, lama kebuntingan dan bobot lahir tidak nyata. Terdapat indikasi bahwa penggunaan prostaglandin Falfa dalam IB dengan konsentrasi sperma motil satu juta memberikan keefisienan dalam penggunaan sperma. Terdapat hubungan yang sangat nyata antara jumlah anak per kelahiran dengan lama kebuntingan, jumlah anak per kelahiran dengan bobot lahir dan bobot lahir dengan lama kebuntingan, masing-masing mempunyai koefisien korelasi sebesar 0.9003 dan + 0.7935. - 0.7867.
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Judul: Beberapa tingkat konsentrasi sperma motil pada inseminasi buatan kelinci persilangan
Abstrak: Penelitian ini dilakukan di UPT (Unit Pelaksana Teknis) Cisarua, Direktorat Jenderal Peternakan, dari tanggal 2 April 1984 sampai dengan 8 Mei 1984. Tujuan penelitian adalah untuk mempelajari pengaruh perlakuan konsentrasi sperma motil dengan tingkat 1, 4, 7, dan 10 juta per dosis IB 0.5 ml terhadap persentase kebuntingan, lama kebuntingan, jumlah anak ("litter size" dan bobot lahir anak.)
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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