Judul: Uji Daya Simpan Biskuit Bio-suplemen dengan Perbedaan Kemasan terhadap Sifat Fisik dan Karakteristik Fermentasi
Abstrak: Biscuits bio-supplement were used to increase the production of goat milk. This research aimed to examine the effect of storage time with different packaging on the physical properties and fermentation characteristics biscuits bio-supplement. This research was done based on completely randomized design with 2 factors as treatments. The first factor was the packaging: plastic bags and plastic sacks, the second factor was the storage time: 0, 2, 4, 6, 8, 10 and 12 weeks. It is shown that the interaction between the two treatment factors (packaging and storage time) did significantly affect (P<0.05) the variables water content, water activity, absorption, insect attack, digestibility of dry matter, digestibility of organic matter and VFA concentration. Biscuits bio-supplement use plastic packaging gives the physical properties and characteristics of fermentation better than packing plastic bag for 12 weeks of storage.
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Judul: Pengaruh Jenis Kemasan dan Lama Penyimpanan terhadap Serangan Serangga dan Sifat Fisik Ransum Broiler Starter Berbentuk Crumble
Abstrak: Storage of feedstuff is required because development of farm must be made balance with availability of adequate feedstuff. Storage will influence physical properties of feedstuff. Packaging is the one of methods to take care product. Damage by environment can be controlled by packaging. This study was arranged in a Completely Randomize Design with factorial design (4x5) with four replications. The first factor was packaging type (guny sack, plastic sack, paper packaging, and plastic packaging). The second factor was storage (0, 2, 4, 6, 8 weeks). The parameters observed were: moisture content, water activity, particle size, specific density, bulk density, compacted bulk density, angle of repose and insect attack. Data were analyzed using analysis of variance (ANOVA) and differences between treatments were determined with Duncan test. The results showed that packaging type highly significantly affected (p<0.01) the moisture content, water activity, and compacted bulk density. Storage highly significantly affected (p<0.01) the moisture content, water activity, particle size, specific density, bulk density, compacted bulk density, and angle of repose. Insect attack was increase on guny sack, especially at four weeks of storage. Paper packaging and plastic packaging can take care feedstuff from insect attack until eight weeks, but plastic sack until four weeks, and guny sack until two weeks. Guny sack, plastic sack, paper packaging, and plastic packaging can take care physical properties of feedstuff until eight weeks. Keywords: feedstuff, packaging, physical properties, storage
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Judul: Klasifikasi Kanker Payudara Berdasarkan Citra Histopatologi Menggunakan Model Convolutional Neural Network
Abstrak: Kanker payudara menempati peringkat pertama sebagai jenis kanker yang paling umum diderita oleh perempuan di dunia. Kanker payudara memiliki kontribusi sebesar 11,7% dari total kasus baru kanker di dunia dan 16,6% di Indonesia secara keseluruhan yang tercatat pada tahun 2020. Pemeriksaan kanker umumnya menggunakan biopsi dengan melakukan pengambilan sampel jaringan yang dicurigai terdapat sel kanker. Penelitian ini bertujuan untuk membuat model convolutional neural network dalam memprediksi status kanker payudara pada citra histopatologi dengan performa paling baik. Data yang digunakan dalam penelitian ini bersumber dari dataset BreakHis yang terdiri atas 7909 citra histopatologi jaringan tumor payudara dengan 2 kelas yaitu, jinak dan ganas. Tahapan dalam penelitian ini meliputi praproses data, pembagian data, hyperparameter tuning, pelatihan model, dan evaluasi model. Hasil dari penelitian ini adalah satu buah model convolutional neural network dengan arsitektur DenseNet201 yang dapat memproses klasifikasi kanker payudara pada citra histopatologi. Model ini memiliki akurasi senilai 98,74%.
Keyword: breast cancer, convolutional neural network, histopathology