Judul: Perbedaan Ukuran Screen dan Die Terhadap Kualitas Fisik Pelet dan Performa Tikus Putih (Rattus norvegicus)
Abstrak: The purpose of study was to obtain pellets feed for White Rats (Rattus norvegicus) on growth phase form which has the best physical quality of pellets and rats performance. The research was carried out using factorial randomized complete design 2 x 2. The first factor was screen size (3 mm and 5 mm) and the second factor was die size (4 mm and 16 mm). The treatments were P1 (screen 3 mm die 4 mm), P2 (screen 3 mm die 16 mm), P3 (screen 5 mm die 4 mm), P4 (screen 5 mm die 16 mm). The study on physical quality of pellets was performed in four replications for each treatment. Parameters measured were durability, bulk density, density compacted and true density. The study on in vivo trial on rats was conducted in five replications for each treatment. Parameters measured were body weight gain, consumption, dry matter digestibility, and organic matter digestibility. Data were analyzed using Analysis of variance and Duncan multiple range test. The result showed that there was an interaction effect between screen and die size on durability (P<0.01) and true density (P<0.01) of pellets, and body weight gain (P<0.05) and consumption (P<0.01) of the rats. It was concluded that pellet P1 has the best physical quality and P2 showed the best performance of rats.
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Judul: Performance of white white mice (Mus musculus) with the use of different cage sizes
Abstrak: Mencit putih (Mus musculus) merupakan hewan mamalia kecil yang sering digunakan sebagai hewan percobaan penelitian karena memiliki variasi genetik dan kemampuan reproduksi yang tinggi, relatif murah, mudah pemeliharaan, mudah didapat, dan ukurannya yang kecil membuat mencit putih mudah ditangani. Untuk mencapai ketersediaan mencit putih dengan performa dan produktivitas yang baik perlu memperhatikan manajemen pemeliharaan diantara nya kepadatan kandang. Penelitian ini dilakukan untuk mengamati dan mengetahui pengaruh penggunaan kandang dengan ukuran yang berbeda pada performa mencit putih (Mus musculus). Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) dengan tiga perlakuan yaitu kandang dengan ukuran kecil (30 x 24 x 10 cm); sedang (39 x 31 x 13 cm) dan; besar (46 x 36 x 16 cm) dengan masing-masing empat ulangan. Peubah yang diamati pertambahan bobot badan, jumlah konsumsi air minum, litter size dan mortalitas anak. Hasil penelitian menunjukkan bahwa penggunaan ukuran kandang memberikan pengaruh nyata (P<0,05) pada parameter yang diamati. Penggunaan kandang ukuran kecil menunjukkan hasil yang lebih baik pada litter size sebanyak 34,25 ekor dan jumlah konsumsi air minum tertinggi sebanyak 35,80 mL, kandang ukuran besar menunjukkan hasil yang lebih baik pada pertambahan bobot badan sebesar 25,56 g dan mortalitas paling rendah sebesar 0,5 ekor, White mice (Mus musculus) are small mammals that are often used as research experimental animals because they have genetic variation and high reproductive ability, are relatively inexpensive, easy to maintain, easy to obtain, and their small size makes white mice easy to handle. To achieve the availability of white mice with good performance and productivity, it is necessary to pay attention to maintenance management, including cage density. This study was conducted to observe and determine the effect of using cages of different sizes on the performance of white mice (Mus musculus). This study used a completely randomized design (CRD) with three treatments, namely a small cage (30 x 24 x 10 cm); medium (39 x 31 x 13 cm) and; large (46 x 36 x 16 cm) with four replications each. The observed variables were body weight gain, amount of drinking water consumption, litter size and child mortality. The results showed that the use of cage size had a significant effect (P<0.05) on the observed parameters. The use of small cages showed better results iii at 34.25 litter size and the highest amount of drinking water consumption was 35.80 mL, large cages showed better results in body weight gain of 25.56 g and the lowest mortality. of 0.5 tails
Keyword: body weight gain, cage size, child mortality, litter size, Mus musculus

Judul: Perencanan Lanskap Sunda Kalapa, Jakarta Utara Sebagai Kawasan W isata Sejarah
Abstrak: Perkembangan kota Jakarta dari waktu ke waktu sangatlah cepat, sehingga menyebabkan kota-kota tua banyak yang tergusur untuk dijadikan daerah baru yang lebih modern. Apabila hal tersebut tidak ditanggulangi secara dini maka keberadaan Kota Lama Jakarta akan hilang. Hal inilah yang melatar belakang untuk dilakukan tindakan perlindungan dan revitalisasi kawasan bersejarah Sunda Kalapa.
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