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Jurnal Teknologi Pertanian
Published by Universitas Brawijaya
ISSN : 14115131     EISSN : 25282794     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Computer Science & IT
Jurnal Teknologi Pertanian diterbitkan oleh Fakultas Teknologi Pertanian Universitas Brawijaya untuk penyebarluasan hasil penelitian yang dilakukan oleh para peneliti dari dalam dan luar Fakultas Teknologi Pertanian Universitas Brawijaya. Jurnal Teknologi Pertanian terbit tiga kali dalam setahun, memuat tulisan hasil penelitian yang termasuk dalam lingkup disiplin ilmu pengetahuan yang terkait dengan Ilmu-ilmu Teknologi Pertanian guna menunjang pengembangan ilmu pengetahuan dan teknologi serta pembangunan nasional.
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Articles 2 Documents
 1 
Search results for , issue " Vol 6, No 3 (2005)" : 2 Documents clear
Aggregate Production Planning of Marie Biscuit: A Case Study at a Biscuit Factory in Malang Lestari, Endah Rahayu; Astuti, Retno; Mardiastutik, Heny
Jurnal Teknologi Pertanian Vol 6, No 3 (2005)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

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Abstract

The aim of this research were to forecast a weekly demand of marie biscuit in the next 6 months and to determine the optimal production aggregate planning that minimizes total cost. The planning, made for the period of August 2005 to January 2006, was based on the previous weekly demand in the period from August 2004 until July 2005. The demand of marie biscuit was forecasted using Winters’ for Additive Method that produced the least mean square error and then the demand forecasting was obtained by means of the Minitab for Windows Version 14. A weekly inventory and an aggregate production were planned using the Dynamic Programming approach by means of a computer software which was developed using the Delphi for Windows version 5. The results showed that the highest demand was found in the forth week of January 2006 (2,534 kg ) and the lowest one (2,394 kg) was predicted to occur in the first week of August 2005. The weekly inventory level of the marie biscuit factory was between 185 kg to 225 kg in 24 weeks planning horizon. Overtime works would be necessary if the demand exceed the maximum regular production capacity. However, in case of the demand and the production quantity were lower than that of the regular production capacity, an introduction of undertime cost in the first and third weeks of the planning horizon would reduce the total cost by Rp 73,470 per week. The minimum total cost of the aggregate marie biscuit production planning in 24 weeks planning horizon was Rp 96,602,174.   Key words: aggregate production planning, demand forecasting, Dynamic Programming
Determination of The Levels of Lead (Pb), Total Microbes and E coli on Blood Cockles Marketed in the Sidoarjo Regency Retyoadhi, Alfa Yusuf; Susanto, Tri; Martati, Erryana
Jurnal Teknologi Pertanian Vol 6, No 3 (2005)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

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Abstract

Blood cockles (Anadara granosa Linn) has filter feeder properties, therefore they may accumulate contaminants such as heavy metals and microorganisms in their flesh. The purpose of this study is to determine the levels of Pb, total microorganisms and total E. Coli of fresh blood cockles marketed in Sidoarjo regency. The samples were randomly taken from the Cemandi Fishery Auction in the district of  Sedati, Sidoarjo and Sidoarjo Fishery Market. In each location,  the samples was randomly obtained from three different places. The levels of moisture, Pb, total microorganisms and total E. coli of the samples were then determined. The results showed that the Pb level of fresh blood cockles in Sidoarjo was 0,0153-0,0523 ppm (at moisture content 75 %). Total microorganisms and E. coli of fresh blood cockles were 3,03x103-20x103 cfu/g and 0,00-20 cfu/100g, respectively. The Pb and total microorganism levels were lower than those of the Indonesia Quality Standard of Agriculture Product and FDA standards. However, from  the seven samples, three of which contained total E Coli exceeding the one of the Indonesia Quality Standard of Agriculture Product and FDA standards. Therefore, it is advised to cooked the blood cockles properly before consumption.   Keyword : fresh blood cockles, Pb, total microorganism, E coli.

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