Judul: Addition of Selenium Peptide to Feed to Increase Growth of African Catfish Clarias gariepinus
Abstrak: Selenium is an essential micromineral that is needed in small amounts in the body but impacts the metabolism and health of aquaculture organisms. This study aimed to analyze the growth of catfish (Clarias gariepinus) supplemented with selenium peptide by coating method on feed. There were four different treatments, namely K (feed without feed additive), A (feed with feed additive 3 g kg-1 feed), B (feed with feed additive 6 g kg-1 feed), and C (feed with feed additive 9 g kg-1 feed). 15 catfish measuring 21.80 ± 0.29 g were kept in an aquarium measuring 90x40x45 cm with a water depth of 35 cm (Volume 108 L) for 45 days. Fish were fed three times a day at satiation. Water quality management is carried out using simple filtration and water replacement to ensure optimum water quality for catfish growth. The results showed that the growth performance parameters (final biomass, final individual weight, survival rate, and daily growth rate) of catfish treated with selenium peptide showed significantly different results (p<0.05) compared to control catfish. Based on this research, the best dose of feed additive containing selenium in catfish is 3 g kg-1 of feed
Keyword: catfish, growth, selenium peptide

Judul: Efektivitas Penambahan Mannan Oligosakarida dan Vitamin C sebagai Feed Additive terhadap Kinerja Pertumbuhan ikan lele (Clarias sp.)
Abstrak: This study aimed to test of addition mannan oligosakarida (MOS) and vitamin C as feed additive on growth performance of Catfish (Clarias sp.). The feed used in this study is comercial feed with 39.4% protein dry weight content with the addition of feed additive is 3.6 g/kg. A total of 15,000 catfish (0.268 ± 0.26 gram) was reared for 20 days in tank (3 x 6x 0.5 m3) which has been equiped with aeration system. Fish feeding was conducted three times at 06.00, 16.00 and 24.00 (at satiation). The experimental design was a completely randomized design with 2 treatments and duplicate. The result showed that the amount of feed intake, protein retension and daily growth rate not significantly different (P>0,05). However, the biomass, feed conversion ratio (FCR) and survival rate in catfish with addition of feed additive in feed have significantly different (P<0,05). This result showed that the addition of MOS and vitamin C in catfish feed can decrease FCR and increase final biomass and survival rate (SR).
Keyword: MOS, vitamin C, feed additive, growth performance, Clarias sp.

Judul: Pola Pernikahan Masyarakat Batak Karo di Perantauan
Abstrak: Pernikahan adalah budaya yang tidak akan pernah berhenti, pernikahan akan terjadi secara berkelanjutan Dasarnya, karena pernikahan merupakan kebutuhan biologis manusia. Indonesia adalah negara yang kaya akan budaya dan etnis. Setiap suku di Indonesia mempunyai tata cara/adat istiadat dalam pelaksanaan pernikahan itu sendiri. Begitupun dengan suku Batak karo yang mempunyai sendiri tata cara pelaksanaan pernikahan. Seiring dengan perkembangan zaman Karo Banyak masyarakat yang merantau ke berbagai daerah di Indonesia, salah satunya Bogor berjalan-jalan. Masyarakat Karo yang merantau ke wilayah Bogor pada umumnya akan berusaha melakukan adaptasi ke negara tempat tinggal baru. Keadaan ini juga terjadi pada perkawinan Karo dalam pola adaptasi di Bogor. Namun adaptasi pernikahan masyarakat Karo di Bogor berupaya menjaga nilai-nilai budaya Karo dan sakralisme perkawinan. Mereka do Karo Dimodifikasi pada pola perkawinan, dengan tetap menjaga nilai budaya pernikahan.
Keyword: Weddings Karo, Adaptation marriage patterns, Attitudes