Judul: Isolasi dan Identifikasi Salmonella spp. pada Telur dan Saluran Reproduksi Ayam Petelur di Desa Curug Kecamatan Gunung Sindur Kabupaten Bogor
Abstrak: Ayam petelur merupakan ayam hasil pemuliaan dan seleksi yang dipelihara dengan tujuan utama untuk menghasilkan telur. Unggas dapat terinfeksi oleh berbagai jenis Salmonella enterica seperti S. pullorum dan S. galinarum yang merupakan bakteri spesifik yang dibawa oleh ayam. Jenis lain seperti S. typhimurium, S. enteritidis, dan S. heidelberg dapat menginfeksi lebih banyak inang selain unggas seperti babi, sapi, dan telur serta produk segar lainnya. Salmonella enterica dapat menghasilkan enterotoksin dan endotoksin yang mengakibatkan ternak depresi, kehilangan bobot badan, dehidrasi, dan kekerdilan. Identifikasi terhadap cemaran Salmonella pada ayam petelur perlu dilakukan terutama pada wilayah padat ayam petelur seperti Desa Curug, Kecamatan Gunung Sindur, Kabupaten Bogor. Penelitian ini bertujuan untuk mengisolasi dan mengidentifikasi Salmonella spp. pada telur dan saluran reproduksi ayam petelur di peternakan yang berlokasi di Desa Curug, Kecamatan Gunung Sindur, Kabupaten Bogor serta mempelajari jalur pencemaran Salmonella yang terjadi di ayam petelur yang ada di wilayah tersebut. Sebanyak 2 peternakan (Peternakan A dan B) dipilih secara acak sebagai sampel dari 25 peternakan yang ada untuk mengetahui kondisi pencemaran Salmonella spp. pada ayam petelur dan telur yang dihasilkan di wilayah tersebut. Sejumlah 6 ekor ayam petelur dari setiap peternakan, 3 ekor dijadikan sampel untuk pengujian pencemaran Salmonella di saluran reproduksi (ovarium, magnum, uterus, dan kloaka) dan 3 ekor pada telur (isi dan kerabang telur) yang masih terdapat di saluran reproduksi. Pengujian menggunakan prosedur BAM (Bacteriological Analitycal Method) yang terdiri dari proses pengkayaan, agar selektif, uji biokimia awal, dan uji biokimia lanjut.
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Judul: Isolasi dan Identifikasi Salmonella enteritidis pada Telur Saluran Pencernaan dan Feses Ayam Ras dari Peternakan Ayam Petelur di Gunung Sindur Bogor
Abstrak: Salmonella became a major cause of food poisoning. Several types of Salmonella could infect chicken as well as pig, cattle, egg and other fresh product. Poultry could be infected by several types of this bacteria. Adult laying hens infected by Salmonella may carry the organisme in their small intestines and shed it in their faeces, which may lead to contamination of the eggshell surface, alternatively contamination of the laid egg may occur in vivo through the dessemination of the organisme to the egg following localization and colonization of the small intestine by Salmonella, that is by transovarian transmision. Total 6 hens, 12 eggs, and 22 samples of faeces were test. From this case, we must give more our atention to Salmonella so this study evaluated the prevalence of Salmonella in different hatchery by applying Bacteriological Analitycal Methode (BAM) for isolation and identification of this bacteria. The test shown that just faeces from Farm A which were contaminated by Salmonella. Test were not found all kind of species Salmonella in egg and gastrointestine
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Judul: Hedging strategy for loan with interest rate Cap.
Abstrak: A bank usually charges a specific nominal interest for a loan, which is influenced by the market’s interest rate. When the market interest rates fluctuate, the customer will face financial loss with the growing burden. Interest rate cap is one of the solutions to anticipate any negative impacts of increasing interest rate, by limiting the maximum interest rate paid by customer to the bank. Thus, customer gets a guarantee against increase in interest rate. To obtain this guarantee, the customer is required to pay a premium. The aims of this paper are to analyze the form of a loan with the interest rate cap strategy, and to discuss Vasicek model approach to determine the amount of the premium. A numerical illustration is given to show the advantage of the interest rate cap strategy. The results show that the interest rate cap will provide protection to the customer as the market interest rates fluctuate. Vasicek model states that the price cap interest rate can be expressed as an expected value of a random variable that has bivariate normal distribution. Numerical results show that this strategy provides benefits in the form of lower amortization cost than that of a loan without interest rate cap.
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