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Joko Irsan Sanyoto
Politeknik Negeri Jember
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology Veterinary

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Pengaruh Konsentrasi Garam dan Umur Telur Terhadap Tingkat Kesukaan Konsumen Telur Asin Isti Rizky Latipah; Merry Muspita Dyah Utami; Joko Irsan Sanyoto
Jurnal Ilmu Peternakan Terapan Vol 1 No 1 (2017): Jurnal Ilmu Peternakan Terapan
Publisher : Politeknik Negeri Jember

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This research is an experimental experience that aims to know the effect of salt concentration and the age of the eggs on the level of consumer preferences towards salted eggs and to know the ideal level of salt concentration and the age of the eggs to get consumers preferred salted eggs. The research was done in Poultry Production Laboratorium of Politechnic of Jember  from September 27th 2016 to October 25th 2016. The research design by Randomaized Complete Desaign (RCD) consisted of two factor. The first was salt concentration which contains 3 actions which are action of salt concentration 25% (A25), salt concentration 30% (A30) and salt concentration 35% (A30). The second, the age of the eggs contains 2 actions which are 3 days age (B3) and 14 days age (B14). There are 6 combination of action and each of action was redone 4 times so that able to gain 18 units of research. Preference research was directly done by taste the salted egg. People panelis for detect acceptance on this research is 30 people from workers and students of Politechnic of Jember and also citizens. The salt concentration  35% and 3 days egg age have significant effect toward consumer preferences on color and grity as the criteria, while salt concentrations and days egg age  have no effect toward consumer prference on smell and taste of salted egg. 
Analisis Profitabilitas Usaha Peternakan Ayam Kampung Super di Kabupaten Jember Muhammad Ardi Wiranata; Joko Irsan Sanyoto; Hariadi Subagja
Jurnal Ilmu Peternakan Terapan Vol 1 No 1 (2017): Jurnal Ilmu Peternakan Terapan
Publisher : Politeknik Negeri Jember

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This study aimed to determine the cost of management, day old chick cost, production, selling price to profit level, R / C ratio and Return on Investmen (ROI) ayam kampung super in Jember. The research method used was survey with 18 respondents in Jember. The data result were analyzed using multiple linear regression analysis and the following equations were Y = -1.90 – 0.35X1 – 1.22X2 + 0.23X3 + 2.26X4 + 0.11X5. This equation means every level of profit level by X1 (management cost) equal to -0.35, X2 (feed cost) equal to -1.22, X3 (seed cost) equal to 0.23, X4 (chicken production) equal to 2.26, X5 (chicken selling price) of 0.11. R / C ratio was 1.18, and ROI was 16%. The result of research showed that the most dominant factor influences to the profit level were  feed cost, management cost and production. Profitability of this research 98% have been considered while factors outside this study 2%.
Analisis Keputusan Konsumen Terhadap Pembelian Ayam Goreng (Studi Kasus Perusahan X di Kabupaten Jember) Hariadi Subagja; Estin Roso Pristiwaningsih; Joko Irsan Sanyoto; Agus Hadi Prayitno
Jurnal Ilmu Peternakan Terapan Vol 2 No 1 (2018): Jurnal Ilmu Peternakan Terapan
Publisher : Politeknik Negeri Jember

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This research aimed to know consider of consumer to decide of buying fried chicken and to know the dominan factor what it influence of buying decision in x company. The research was conducted at the two outlets, they were Gajah Mada street Number 74 dan Roxy Square Hayam wuruk street, Jember. The research method used was survey wtih 75 respondents that took by purposive sampling. The data result were analyzed using multiple linear regression analysis, F-test, and t-test. The result of analysis showed Y= 3,040 - 0,103X1 + 0,473X2 + 0,060X3 + 0,133X4 + 1,170X5. That equation means every level of consumer buying decision by X1 (price) equal to -0,103, X2 (taste) equal to 0,473, X3 (promotion) equal to 0,060, X4 (life style) equal to 0,133, and X5 (desain interior) equal to 1,170. The result of F-test showed that all of variabels has significant. 
Co-Authors Agus Hadi Prayitno Estin Roso Pristiwaningsih Hariadi Subagja Isti Rizky Latipah Merry Muspita Dyah Utami Muhammad Ardi Wiranata