Judul: Evaluation of Fish Meal and Soybean Meal Substitution in Ration for Local Sheep on Performance of Lactating Ewe and Pre-weaning Lamb
Abstrak: Aim of this study was to evaluate the effect of substitution with fish meal and soy bean meal on performance of lactating ewe and pre-weaning lamb. This study used complete randomized block design, with 3 treatments and 5 replications. 15 local sheep with gestation period of 133±8,29 day and average of body weight in the beginning was 25,13±2,90 kg. Treatments consisted of P1 : field grass + 100% commercial concentrate, P2 : field grass + 90% commercial concentrate + 10% fish meal, and P3 : field grass + 85% commercial concentrate + 15% soybean meal. Data were analyzed using ANOVA with parameters: feed consumption, nutrient ration intake, water consumption, decreased weight of pre-weaning sheep, weight of weaning sheep, birth weight of lamb, body weight of pre-weaning lamb, average body weight gain of pre-weaning lamb, estimated milk production, and feed efficiency. In addition this experiment was using descriptive analysis for a number of parameters such as income over feed cost and pre-weaning mortality. The results showed that the treatments did not significantly affect feed consumption, nutrient ration intake, water consumption, decreased weight of pre-weaning ewes, weight of weaning ewes, birth weight of lamb, body weight of pre-weaning lamb, average body weight gain of pre-weaning lamb, estimated milk production of ewes and feed efficiency and the performance of ewes fed ration with protein sources from soy bean meal was better than other treatments. It was of concluded that the subtitution of protein source did not affect significant toward production and performance of lactating both of lactating ewes and pre-weaning lamb. Feeding soybean meal fed to produce better performance.
Keyword: 

Judul: Subtitution of Soybean Meal With Defatted Black Soldier Larvae Meal in Starter Concentrate on Performance of Lamb
Abstrak: Penelitian ini bertujuan substitusi bungkil kedelai dengan defatted Black Soldier Fly larvae meal pada konsentrat starter terhadap performa domba fase pertumbuhan. Penelitian ini menggunakan 10 ekor anak domba fase pertumbuhan umur 5 bulan dengan bobot badan 13,95±3,07 kg dan ditempatkan pada kandang individu. Domba dibagi menjadi 2 perlakuan yaitu P1 = konsentrat starter mengandung 22% bungkil kedelai + hijauan, P2 = konsentrat starter mengandung (11% bungkil kedelai + 10% defatted BSF larvae meal) + hijauan. Parameter yang diukur dalam penelitian ini adalah konsumsi nutrien (konsumsi bahan kering, konsumsi protein kasar, konsumsi lemak kasar, konsumsi serat kasar, konsumsi bahan ekstrak tanpa nitrogen dan konsumsi total digestible nutrient), pertambahan bobot badan harian, efisiensi pakan dan income over feed cost. Data dianalisis menggunakan Uji-T (Independent Sample T-Test). Hasil penelitian menunjukkan bahwa penambahan defatted BSF larvae meal tidak berpengaruh nyata terhadap konsumsi nutrien, pertambahan bobot badan harian, efisiensi pakan dan income over feed cost (IOFC)., This research aimed to determine the substitution of soybean meal with defatted Black Soldier Fly larvae meal in starter concentrate on performance of lamb in growth phase. A total of 10 growing lambs were used in this study (5 months, 13.95±3.07 kg). The lambs were divided into 2 treatments, name up P1 = starter concentrate containing 22% soybean meal + forage, P2 = starter concentrate containing 11% soybean meal + 10% defatted BSF larvae meal + forage. The parameters measured were nutrient intake (dry matter intake, crude protein intake, crude fat intake, crude fiber intake, nitrogen free extract intake and total digestible nutrient intake), average daily gain, feed efficiency, and income over feed cost. The data were analyzed using Independent Sample T-Test. The results showed that the substitution of soybean meal with defatted Black Soldier Fly (BSF) larvae meal did not significantly affect (P>0,05) nutrient intake, average daily gain, feed efficiency and income over feed cost (IOFC).
Keyword: defatted Black Soldier Fly larvae meal, feed intake, growing lambs, performance

Judul: Closed Knight’s Tour pada Papan Catur Berbentuk Persegi Panjang dengan Ukuran Maksimal 8 × 8
Abstrak: Closed Knight’s Tour merupakan langkah kuda yang mengunjungi setiap kotak pada papan catur tepat satu kali dengan langkah kuda berawal dan berakhir pada kotak yang sama. Graf yang terbentuk dari closed knight’s tour dinotasikan sebagai graf G(m,n), dengan m adalah banyaknya baris dan n adalah banyaknya kolom. Graf tersebut memuat Hamiltonian cycle. Sebuah graf terhubung G adalah graf bipartite jika dan hanya jika graf tersebut tidak memiliki cycle dengan panjang ganjil. Papan catur yang memenuhi syarat cukup untuk memiliki closed knight’s tour adalah papan catur berukuran 5 × 6, 5 × 8, 6 × 6, 6 × 7, 6 × 8, 7 × 8, dan 8 × 8.
Keyword: bipartite, closed knight’s tour, hamiltonian cycle, knight’s tour, teori graf