Judul: Analisis Sistem Produksi Nenas di Kebun dan Pabrik pada Industri Pengalengan Nenas (Studi Kasus Pada PT.X, Lampung Tengah, Propinsi Lampung)
Abstrak: Upaya pengembangan industri pengalengan nenas di Indonesia dihadapkan pada masalah pengadaan bahan baku. Hal ini disebabkan belum adanya keterlibatan petani nenas yang dapat menjamin kelangsungan pasokan nenas segar bagi industri pengalengan nenas. Belum adanya keterlibatanpetani nenas ini disebabkan oleh sulitnya koordinasi antara industri pengalengan nenas dan petani nenas untuk menjamin suplai nenas segar dalam jumlah dan kualitas yang sesuai untuk proses produksi nenas kaleng. Oleh karena itu, perlu dikaji kemungkinan kerjasama antara petani nenas dan industri pengalengan nenas melalui pendekatan sistem produksi nenas di perkebunan nenas dan pabrik pengalengan nenas.
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Judul: Kajian Manajemen Pengadaan Bahan Baku Nenas di PT. Great Giant Pineapple Co. Terbanggi Besar, Lampung Tengah
Abstrak: Pengembangan industri pengalengan nenas di Indonesia mempunyai peluang yang sangat besar karena memberikan kontribusi yang besar pada peningkatan nilai ekspor non migas nasional dan menduduki peringkat pertama pada nilai ekspor buah kaleng Indonesia. Nenas kaleng merupakan pengolahan lebih lanjut dari buah nenas adalah produk utama buah kaleng Indonesia dan hampir keseluruhan produksinya ditujukan untuk pasar ekspor. Menurut data dari Badan Pusat Statistik, 1999 menunjukkan bahwa ekspor nenas kaleng sebesar 37.476.553 kg pada tahun 1998 meningkat sebesar 133.925.340 kg pada tahun 1999. Hal ini disebabkan oleh adanya peningkatan permintaan dunia (negaranegara) terhadap produk ini dan diperkirakan akan terus berlanjut pada masa-masa yang akan datang.
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Judul: Provision of vaccine effectiveness against Ichthyophthirius multifiliis common carp (Cyprinus carpio L) at different temperatures of media
Abstrak: The aims of this study were to assess the physiological and haematological responses of fish due to different water temperatures, Ichthyophthirius multifiliis (ich) infection, and vaccination with ich theront stadia. The research was conducted in three stages. The first stage was designed to determine the temperature range that could cause stress in fish and had potency to cause ich infection. In the second stage, fish was infected with ich. The last stage was carried out to investigate the effect of vaccination. Physiological changes in fish from each stage were determined. The results of the first stage showed that cortisol levels at 20, 24, and 28⁰C and glucose levels at 24 and 28oC increased until 21st day. Fish that was kept at 24oC had the lowest survival rate (87±3.35%) and fish that was kept at 32oC had the highest survival rate (100%). In the second stage, infected fish at 20oC was under great stress, which was characterized by the increase in cortisol levels by 51.38% on 3rd day, increase in glucose levels by 60.93%, decrease in osmolarity by 18.40%, decrease lymphocytes percentage by 16.44%, and the lowest survival rate (58.11±2.16%). The damage that was affected by I. multifiliis could be seen by the presence of hypercellular, many goblet cells, and infiltration of lymphocytes cells. Lastly, vaccination caused the decrease in cortisol levels and increase in glucose levels until 14th day. The prevalence of I. multifiliis in the vaccinated fish decreased with the increase in temperature, and I. multifiliis prevalence at 20⁰C was 80.03±10.00% and at 28⁰C was 0%, and the highest survival rate was obtained at 28⁰C (100%).
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