Judul: Gambaran Kecernaan Pakan Ayam Broiler yang diberi Testosteron dengan Dosis Bertingkat
Abstrak: Testosterone is one of the anabolic hormone that can trigger the growth of muscle mass as well as develop and maintain bone. Testosterone hormone can stimulate secretion of other hormones such as growth hormone. This research was conducted to describe the administration of testosterone hormone with multilevel concentration on broiler chicken’s feed digestibility through feces analysis. Fourteen days of twenty broiler chickens were used in this experiment, with 4 groups (K, T1, T2, and T3). K was control groups, T1, T2, and T3 were broiler chicken which given 1, 2, and 4 mg testosteron respectively. Feces is waste of metabolism which can be used for proximate analysis. Feed digestibility values was obtained from the difference percentage between the value of proximate analysis of feed and feces which divided by the value of the proximate analysis of feed. The highest digestibility values of fat (79.20%), protein (65.37%), and carbohydrates (69.79%) was in T3 groups. Therefore administration of 4 mg testosterone could increase the body weight.
Keyword: digestibility, feces, hormones, proximate, testosterone.

Judul: Performa ayam broiler yang diberi hormon testosteron dengan dosis bertingkat
Abstrak: Testosterone is a hormone that has an important role in secondary sex characteristics. Testosterone was known as androgenic and anabolic hormone. This research used testosterone to observe the performance of broiler chickens. Fourty four broiler chickens 15 days old were divided into 4 groups: K (control), T1 (dose 1 mg), T2 (dose 2 mg), and T3 (dose 4 mg). Parameters measured were body weight, feed and water consumption, feed conversion ratio (FCR), and mortality. The results showed that testosterone dose 1 and 4 mg could increase the daily body weight gain significantly (p<0.05) in broiler chickens aged between 15 and 18 days old. Testosterone dose 2 mg could increase the daily body weight gain significantly (p<0.05) in broiler chickens aged between 21 and 24 days old. Final weight, the amount of feed and water consumption, feed conversion ratio (FCR), and mortality of chickens given testosterone did not show any difference compare with control.
Keyword: broiler, daily body weight gain, FCR, final weight, testosterone

Judul: Struktur dan Variabilitas Arus di Laut Sulawesi
Abstrak: Laut Sulawesi merupakan salah satu pintu masuk Arus Lintas Indonesia (Arlindo) yang membawa 15 juta meter kubik per detik massa air hangat dari Samudra Pasifik ke Samudra Hindia melalui berbagai laut dan selat Indonesia. Pola sirkulasi di basin Sulawesi masih belum dipahami secara baik. Penelitian ini bertujuan mendeskripsikan pola sirkulasi, struktur menegak arus, serta variabilitas arus dan koherensi antara fluktuasi arus-masuk dengan arus-keluar. Metode analisis data deret waktu digunakan untuk menganalisis data keluaran model sirkluasi laut dari konfigurasi INDESO tahun 2007-2012. Hasil penelitian menunjukkan pola arus di Laut Sulawesi dicirikan oleh suatu lintasan sumbu utama arus kuat yang mengalir dari pintu masuk sisi timur laut ke arah barat daya, yang membentur sisi Kalimantan, kemudian berbelok ke arah tenggara dan masuk ke Selat Makassar. Lintasan arus utama ini sebagai pangkal dari Arlindo. Di sisi utara dan selatan dari lintasan arus utama terbentuk pusaran siklonik (wilayah utara) dan pusaran anti-siklonik (wilayah selatan). Struktur vertikal arus dicirikan oleh intensifikasi arus maksimum sekitar 60 cm/detik pada kedalaman 75 m – 300 m (kedalaman termoklin). Fluktuasi arus bervariasi dalam rentang periode skala intra-musiman, tahunan, dan antar-tahunan. Spektrum densitas energi signifikan terdapat variasi intra-musiman. Terdapat koherensi yang signifikan antara arusmasuk (komponen zonal) dengan arus-keluar (meridional) pada skala-waktu intramusiman
Keyword: Sulawesi Sea, NEMO Model Output, INDESO Configuration, Time Series Analysis