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Jurnal Agripet
Published by Universitas Syiah Kuala
ISSN : 14114623     EISSN : 24604534     DOI : https://doi.org/10.17969/agripet
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Aims Jurnal Agripet aims to publish original research results on farm tropical animals such as cattle, buffaloes, sheep, goats, horses, poultry, etc. Scope Jurnal Agripet encompasses a broad range of research topics in animal sciences and biotechnology including animal physiology and nutrition, feed processing and technology, animal productions, animal genetics, breeding and reproduction, meat and milk sciences, animal health, behavior and welfare, animal housing and livestock farming system.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Hewan dan Zoologi
Articles 462 Documents
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Kandungan Total Bakteri dan Total Fungi pada Pellet Limbah Penetasan yang Dibuat dengan Penambahan Bentonit Aprilian Adi Nugroho; Sri Sumarsih; Bambang Sulistiyanto
Jurnal Agripet Vol 16, No 2 (2016): Volume 16, No. 2, Oktober 2016
Publisher : Agricultural Faculty

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17969/agripet.v16i2.3192

Abstract

ABSTRAK. Penelitian efek penambahan bentonit dalam proses pelleting terhadap total bakteri dan total fungi dari produk pellet limbah penetasan sebagai bahan pakan alternatif, telah dilaksanakan di Laboratorium Teknologi Pakan, Fakultas Peternakan dan Pertanian, Universitas Diponegoro. Penambahan bentonit pada proses pelleting diharapkan mengurangi total bakteri dan total fungi pada pellet olahan limbah penetasan, sehingga aman digunakan sebagai bahan pakan alternatif. Pada penelitian ini limbah penetasan yang berupa cangkang telur, telur infertile, telur gagal menetas, serta DOC afkir dan mati dihancurkan, dicampur dengan bentonit dan dibuat pellet, untuk kemudian dianalisis kandungan total bakteri dan total fungi pada produk pellet. Perlakuan bentonit dilakukan dengan aras 0, 2, 4 dan 6% (B/B). Penelitian dilakukan dengan rancangan acak lengkap (RAL) 4 perlakuan dan 5 ulangan. Data dianalisis dengan analisis ragam dan dilanjutkan dengan uji wilayah ganda Duncan untuk mengetahui perbedaan antar perlakuan. Hasil menunjukkan bahwa pemberian bentonit dari berbagai level berpengaruh sangat nyata (P0,01). Pemberian bentonit pada tingkat tertinggi (6%) mampu menekan total bakteri dan total fungi pada kisaran 105 cfu/g. Disimpulkan bahwa bentonit mampu menekan kandungan total bakteri dan total fungi pada produk pellet limbah penetasan.(Numbers of total bacteria and total fungi of hatchery waste pellets that made by adding bentonite)ABSTRACT. A Research about the effect of bentonite addition in the pelletizing process on total bacteria and total fungi of pellet product of hatchery waste as an alternative feedstuff, was done at Feed Technology Laboratory, Faculty of Animal and Agricultural Sciences, Diponegoro University. The addition of bentonite was expected to reduce the number of bacteria and fungi in the pellet product of hatchery waste, therefore, it could be used safely as an alternative feedstuff. In this experiment, the hatchery waste in the forms of eggshell, infertile eggs, un-hatched eggs, dead and culled DOC were blended, mixed with bentonite and pelleted,and then the number of total bacteria and total fungi of pellet was analyzed. The treatment was carried out with the level of bentonite i.e. 0, 2, 4 and 6% (w/w). Completely randomized design (CRD)was applied by 4 treatments and 5 replications of each. Data analyzed by analysis of variance (ANOVA), and followed by Duncan multiple range test (DMRT) to determine differences among the treatments. The results showed that administration of bentonite at various levels significantly affect the number of bacteria and fungi in the hatchery waste pellets (P 0.01). Administration of bentonite at the level of 6% shows the highest value on suppressing the content of total bacteria as well as fungi up to the range of total content 105cfu/g. In conclusion, the bentonite was able to suppress the total amount of bacteria and total fungi in the hatchery waste pellets.
Rasio Jenis Kelamin Kelahiran Anak Kambing Peranakan Ettawa (PE) Hasil Inseminasi Buatan Menggunakan Spermatozoa Swim Up Sariadi Sariadi; Dasrul Dasrul; Muslim Akmal
Jurnal Agripet Vol 14, No 2 (2014): Volume 14, No. 2, Oktober 2014
Publisher : Agricultural Faculty

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17969/agripet.v14i2.1890

Abstract

(The ratio of birth sex of ettawa crossbreed goat by artificial insemination using spermatozoa swim up)ABSTRACT. The aim of this research was to determine the ratio of birth sex of ettawa crossbreed goat by artificial insemination using spermatozoa swim up. This research was at Reproduction Laboratory Faculty of Veterinary medicine Syiah Kuala university and Livestock Group SMD, Bener Meriah Regency. Fifteen female goats with age 8-24 months where used in this study and divided into 3 treatment groups (P0, P1, P2) and 5 replications of each. The first group (P0) inseminated with sperm without swim up; P1 and P2 inseminated with sperm which swim up for 5 minutes (P1) and 10 minutes (P2). The result of conception rates observation and sex ratio of children born tabulated into tables. The data was analyzed by using analysis of variance (ANOVA) one way pattern followed by the multiple test Duncan. The results showed that the conception rate and birth sex ratio of male born had significantly different (P0,05). The segregation of sperm which swim up increased the conception rate and birth sex ratio of male born.
Persentase Karkas Itik Peking yang Diberi Pakan dalam Bentuk Wafer Ransum Komplit Mengandung Limbah Kopi Muhammad Daud; Mulyadi Mulyadi; Zahrul Fuadi
Jurnal Agripet Vol 16, No 1 (2016): Volume 16, N0. 1, April 2016
Publisher : Agricultural Faculty

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17969/agripet.v16i1.3837

Abstract

ABSTRAK. Penggunaan wafer ransum komplit mengandung limbah kopi pada itik peking dilakukan dengan tujuan untuk mengetahui berat akhir dan persentase karkas. Materi penelitian yang digunakan adalah itik peking umur 1 hari (DOD) sebanyak 96 ekor dibagi dalam 4 perlakuan dan 3 ulangan. Ransum yang digunakan satu bulan pertama adalah ransum komersil, dan satu bulan terakhir wafer ransum komplit mengandung limbah kopi. Ransum perlakuan yang diberikan adalah: P0 = Wafer ransum komplit 0% limbah kopi (kontrol), P1 = Wafer ransum komplit 2,5% limbah kopi, P2 = Wafer ransum komplit 5% limbah kopi, dan P3 = Wafer ransum komplit 7,5% limbah kopi. Parameter yang diamati: bobot hidup, bobot karkas, bobot potongan karkas, persentase karkas, dan persentase potongan karkas. Penelitian ini menggunakan Rancangan Acak Lengkap. Data dianalisis dengan analysis of variance dan dilanjutkan dengan Uji Duncan. Hasil penelitian menunjukkan penggunaan limbah kulit kopi sebagai bahan penyusun ransum itik peking dalam bentuk wafer ransum komplit berpengaruh nyata terhadap bobot akhir. Penggunaan limbah kulit kopi 2,5% dalam ransum secara signifikan (P0.05) meningkatkan bobot karkas dan potongan karkas. Dapat disimpulkan penggunaan limbah kulit kopi sebanyak 2,5% sebagai bahan penyusun wafer ransum komplit tidak memberi pengaruh negatif terhadap bobot badan akhir, persentase karkas dan potongan karkas itik peking.(Carcass percentage of peking duck feed wafer complete ration containing of coffee waste)ABSTRACT. This research was conducted to study the effectiveness of wafer complete ration containing coffee waste on the final body weight and carcass percentage. The study used 96 DOD Peking duck. Completely Randomized Design (CRD) consisting of 4 treatments and 3 replications. Rations used during the first month was a commercial ration, and then subsequently wafer complete ration of coffee waste given as treatments; P0 = wafer complete ration contained 0% of coffee waste (control), P1 = wafer complete ration 2,5% of coffee waste, P2 = wafer complete ration 5% of coffee waste, and P3 = Wafer complete ration 7,5% of coffee waste. The observed variables were: final body weight, carcass weight, carcass percentage, carcass component weight, and carcass component percentage. Collected data was analyzed by ANOVA and followed by Duncan Multiple Range Test if there was a significant different between treatments. The results showed wafer complete ration containing coffee waste was significantly (P 0.05) effect on final body weight. Feed containing 2,5 % of coffee waste significantly (P0.05) effect on carcass weight and carcass percentage. It is concluded that no negatif effect of wafer complete ration containing 2,5 % coffee waste on final body weight and carcass percentage of peking duck.
Pola Pengembangan dan Produktivitas Sapi Potong Program Kemitraan Bina Lingkungan di Kabupaten Banyumas dan Cilacap Propinsi Jawa Tengah Akhmad Sodiq; Pambudi Yuwono
Jurnal Agripet Vol 16, No 1 (2016): Volume 16, N0. 1, April 2016
Publisher : Agricultural Faculty

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17969/agripet.v16i1.3861

Abstract

ABSTRAK. Tujuan penelitian ini adalah mendeskripsikan pola pengembangan dan produktivitas sapi potong pada Program Kemitraan Bina Lingkungan. Penelitian lapang melalui survei dengan metode Purposive sampling ditujukan kepada seluruh peternak sapi potong peserta Program Kemitraan Bina Lingkungan (PKBL) berlokasi di Kabupaten Banyumas dan Cilacap Propinsi Jawa-Tengah. Analisis statistik deskriptip kualitatip dan kuantitatip diterapkan pada penelitian ini. Hasil penelitian memperlihatkan bahwa pola yang diterapkan adalah penggemukan dan pembesaran (Banyumas) dan penggemukan (Cilacap). Penggemukan intensip sapi persilangan Simental, Limosine, Charalois dengan periode 45-96 hari dipraktekkan di Cilacap, dan penggemukan sapi Madura, Bali dan persilangan Sumba Ongole untuk tujuan Idul Qurban dilakukan di Banyumas dengan periode penggemukan relatip panjang (4-10 bulan). Diperoleh rataan pertambahan bobot badan harian 0,99 kg (sapi Madura), 0,97 kg (sapi Bali) dan 1,3 kg (Sapi Persilangan Ongole) dengan BCS berkisar 5-7 (level medium-tinggi). Rataan pertambahan bobot badan harian sapi persilangan Simental, Limosine dan Charalois adalah 1,4 kg dengan BCS berkisar 7-8 (level tinggi).(Development type and productivity of beef cattle at the community development partnership program in banyumas and cilacap regencies of Central-Java Province)ABSTRACT. The purposes of this study was to describe the developoment type and productivity of Beef Cattle at the Community Development Partnership Program. Purposive samping method was implemented by survey at the beef cattle farmers who are member of the Community Development Partnership Program located at Banyumas and Cilacap regencies of Central-Java province. Qualitative and quantitative descriptive statistics were applied in this study. It is found that fattening and growing type (in Banyumas) and fattening type (Cilacap) was practiced. Intensive fattening of Simental, Limosine, Charalois Cross cattle by 45-96 days of periods found in Cilacap, and extended fattening of Madura, Bali and Sumba Ongole Cross Cattle for Idul Qurban purposes found in Banyumas. Average daily gain was 0.99 kg (Madura Cattle), 0.97 kg (Bali Cattle) and 1.23 kg (Sumba Ongole Cross) with the Body Condition Score (BCS) of 5-7 (medium-high level). Average daily gain of Simental, Limosine and Charalois Cross Cattle was 1.54 kg with the BCS of 7-8 (high level).
Efek Suhu dan Masa Simpan Terhadap Aktivitas Antimikroba Susu Fermentasi dengan Lactobacillus casei Cut Afria Mirdalisa; Yusdar Zakaria; Nurliana Nurliana
Jurnal Agripet Vol 16, No 1 (2016): Volume 16, N0. 1, April 2016
Publisher : Agricultural Faculty

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17969/agripet.v16i1.3639

Abstract

ABSTRAK. Susu fermentasi merupakan susu hasil pengasaman melalui aktivitas bakteri asam laktat yang menyebabkan perubahan kimia, sensorik dan mikrobiologi dalam produk susu fermentasi. Lactobacillus casei merupakan bakteri yang mampu menghasilkan senyawa organik dan hydrogen peroksida yang bersifat antibakteri. Senyawa antibakteri ini adalah senyawa kimiawi atau biologis yang dapat menghambat pertumbuhan dan aktivitas bakteri patogen yang dapat merusak kualitas susu fermentasi. Penelitian ini bertujuan untuk mengetahui pengaruh suhu dan lama penyimpanan terhadap kualitas susu fermentasi dengan Lactobacillus casei. Suhu dan lama penyimpanan pada susu fermentasi Lactobacillus casei pengaruh sangat nyata (P0,01) dan dapat menekan pertumbuhan terhadap bakteri E.coli dan Staphylococcus aureus. Aktivitas antimikroba susu fermentasi Lactobacillus casei pada suhu penyimpanan 5C dengan lama penyimpanan 30 hari dapat menekan pertumbuhan bakteri Staphylococcus aureus.(Effects of temperature and storage time on the antimicrobial activity fermented milk with Lactobacillus casei)ABSTRACT. Fermented milk is milk acidification results through the activity of lactic acid bacteria that causes chemical changes, sensory and microbiological in fermented milk products. Lactobacillus casei is a bacteria that can produce organic compounds and hydrogen peroxide which is antibacterial. The antibacterial compound is a chemical or biological compound that can inhibit the growth and activity of pathogenic bacteria that can damage the quality of fermented milk. The study has been conducted to determine the effect of temperature and storage time on the quality of fermented milk with Lactobacillus casei. the temperature and duration of storage time of fermented milk with Lactobacillus casei highly significant (P 0.01) affected and can suppress the growth of bacteria E.coli and Staphylococcus aureus. The antimicrobial activity of Lactobacillus casei fermented milk at the storage temperature of 5C with a storage time of 30 days can suppress the growth of Staphylococcus aureus.
Pengaruh Penambahan Zeolit pada Proses Pelletizing Limbah Penetasan Terhadap Kandungan Coliform dan Salmonella Produk Pellet Bakhtiar Ali Wardana; Bambang Sulistiyanto; Sri Sumarsih
Jurnal Agripet Vol 16, No 1 (2016): Volume 16, N0. 1, April 2016
Publisher : Agricultural Faculty

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17969/agripet.v16i1.3193

Abstract

ABSTRAK. Penelitian untuk mengkajipengaruh penambahan zeolit pada proses pelletizing limbah penetasan, terhadap total Coliform dan Salmonella,telah dilaksanakan di Laboratorium Teknologi Pakan, Fakultas Peternakan dan Pertanian, Universitas Diponegoro. Zeolit dilaporkan mampu mengikat berbagai senyawa kimia, termasuk senyawa beracun, serta mampu mempengaruhi aktivitas mikrobia. Penambahan zeolit dalam pelletizing limbah penetasan diharapkan mampu menurunkan total Coliform dan Salmonella dalam produk pellet, sehingga dapat meningkatkan keamanan produk pellet sebagai bahan pakan alternatif. Dosis penambahan zeolit pada pembuatan pellet yaitu: 0, 2, 4 dan 6%. Data dianalisis dengan analisis ragam dan dilanjutkan dengan uji jarak berganda Duncan. Hasil penelitian menunjukkan penambahan zeolit dalam proses Pelletizing limbah penetasan berpengaruh sangat nyata (P0,01) terhadap penurunan total Coliform. Peningkatan dosis zeolite dapat menurunkan Total Coliform dan bakteri Salmonella tidak terdekteksi pada pellet limbah penetasan. Dapat disimpulkan bahwa pelletizing limbah penetasan dengan dosis zeolit hingga 6% terbuktimampu menurunkan kandungan Coliform dan Salmonella pada produk pellet.(Effect administering zeolite in the pelletizing of hatchery waste to contents of coliform and salmonella of the pellet products)ABSTRACT. Experiment to study effect of administering zeolite in the pelletizing hatchery wastes on the total Coliform and Salmonella was done in the Laboratory of Feed Technology, Faculty of Animal Science and Agriculture, University of Diponegoro. Zeolite has been reported have binding capacity on wide range of chemicals, including toxic compounds, and interfere the activity of microbes. Administration zeolite in the pelletizing of hatchery wastes are expected to reduce the total Coliform and Salmonella in the pellet products, therefore improved the safety of the pellet products as an alternative feed ingredients. Doses of zeolite administration in the pelletizing are 0, 2, 4 and 6%. Data were analyzed by analysis of variance (ANOVA) followed by Duncan's multiple range test. The results showed, effect of administering zeolite in the pelletizing hatchery wastes was significant to the total Coliform (P 0.01). Increasing doses of zeolite reduced the Total Coliform and the Salmonella was not detected in the hatchery waste pellets. It could be concluded that pelletizing hatchery waste with a dose of zeolite of up to 6% proven to reduce the content of Coliform and Salmonella in the pellet products.
Estimasi Nilai Heritabilitas Sifat Kuantitatif Sapi Aceh Sari, Eka Meutia; Abdullah, Mohd. Agus Nashri; Hasnani, Cut
Jurnal Agripet Vol 16, No 1 (2016): Volume 16, N0. 1, April 2016
Publisher : Faculty of Agriculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17969/agripet.v16i1.3530

Abstract

ABSTRAK. Tujuan penelitian ini untuk mengestimasi nilai heritabilitas sifat kuantitatif pada sapi Aceh. Penelitian ini dilaksanakan di Balai Pembibitan Ternak Unggul (BPTU) Indrapuri Aceh Besar, dengan menggunakan metode survey (data primer dan data sekunder), dan analisis data menggunakan Rancangan Acak Lengkap Pola Searah. Parameter yang diamati dalam penelitian ini adalah nilai heritabilitas sifat kuantitatif meliputi panjang badan, tinggi gumba, lingkar dada, bobot lahir dan bobot sapih. Nilai heritabilitas bobot lahir 0,06 0,29, bobot setahun 0,12 0,32, bobot satu setengah tahun 0,37 0,41. Hasil penelitian menunjukkan bahwa sifat kuantitatif pada sapi Aceh memiliki nilai heritabilitas yang rendah (bobot lahir) dan sedang (bobot setengah tahun). Perbedaan nilai heritabilitas disebabkan karena jumlah sampel yang digunakan, tempat dan waktu penelitian dan metode perhitungan yang berbeda.(Heritability estimation of quantitative traits in Aceh cattle)ABSTRACT. The objective of this research was to estimate the heritability of quantitative trait of Aceh cattle. This research was conducted in BPTU Indrapuri, Aceh Besar. The method used was survey, and the Completely Randomized Design Pattern Unidirectional was used to analyze the data. The parameter which was observed in this research was the heritability of quantitative trait including body length, body height, chest size, birth weight and weaning weight. Heritability for birthweight 0.06 0.29, for yearling weight 0.12 0.32, and heritability for the weight of one and a half years 0.37 0.41. The result shows that the heritability of quantitative traits in Aceh cattle was low (birth weight). The difference in heritability was due to the number of samples used, the place and time of the research and different calculation methods.
Performa Ayam Broiler yang Mengkonsumsi Kulit Nanas yang Difermentasi dengan Yogurt dalam Ransum Mengandung Gulma Obat Nurhayati Nurhayati; Berliana Berliana; Nelwida Nelwida
Jurnal Agripet Vol 16, No 1 (2016): Volume 16, N0. 1, April 2016
Publisher : Agricultural Faculty

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17969/agripet.v16i1.3657

Abstract

ABSTRAK. Penelitian bertujuan untuk mengetahui performa ayam broiler yang mengkonsumsi kulit nanas yang difermentasi (KNF) dengan yogurt dalam ransum mengandung gulma obat (GO). Materi yang digunakan yaitu 200 ekor ayam broiler jantan umur 2 hari, ransum mengandung gulma obat dan kulit nanas yang difermentasi dengan yogurt. Rancangan yang digunakan adalah Rancangan Acak Lengkap (RAL) dengan 5 perlakuan dan 5 ulangan. Perlakuan yang diberikan yaitu T0 (ransum kontrol, ransum mengandung 0 % KNF dan 0 % GO), T1 (ransum mengandung 0 % KNF dan 2 % GO), T2 (ransum mengandung 7,5 % KNF dan 2 % GO), T3 (ransum mengandung 15 % KNF dan 2 % GO), dan T4 (ransum mengandung 22,5 % KNF dan 2 % GO). Peubah yang diamati adalah konsumsi ransum, pertambahan bobot badan (PBB), bobot akhir dan konversi ransum. Data dianalisis menggunakan ANOVA dan Uji kontras ortogonal. Hasil penelitian menunjukkan bahwa pemberian ransum yang mengandung KNF berpengaruh nyata (P0.05) terhadap konsumsi ransum, PBB, bobot akhir, dan konversi ransum. Konsumsi dan konversi ransum meningkat dengan peningkatan pemberian KNF sedangkan bobot badan menurun. Disimpulkan bahwa pemberian tepung kulit nanas setelah difermentasi dengan yogurt sebanyak 22,5 % di dalam ransum mengandung campuran gulma obat dapat menurunkan performa ayam broiler.(Broiler chicken performance fed fermented pineapple peel by yogurt in diet containing medicinal weed)ABSTRACT. Research aimed to determine broiler performance fed different level of yoghurt - fermented pineapple peel (FPPM) in the diet containing medicinal weed. Two hundred 2 day - old male broiler chicken, diet containing medicinal weed (MW) and yoghurt - fermented pineapple peel used in this study. The experimental design was a completely randomized design with 5 treatments and 5 replications. The treatments were T0 (control, diet containing 0% FPPM and 0% MW), T1 (diet containing 0% FPPM and 2% MW), T2 (diet containing 7.5% FPPM and 2% MW), T3 (diet containing 15% FPPM and 2% MW), and T4 (diet containing 22.5% FPPM and 2% MW). The variables were feed consumption, body weight gain, live weight and feed conversion ratio. Data were analyzed by ANOVA and Contrast orthogonal Test. The results showed that there was a significant effect (P0,05) of treatment on the feed consumption, body weight gain, live weight and feed conversion ratio. Feed consumption and feed conversion ratio increased with increasing level of FPPM in the diet, however, body weight decreased. It is concluded that feeding yoghurt - fermented pineapple peels up to 22,5 % in the broiler diet containing medicinal weed decreased broiler chicken performance.
Dinamika Pertumbuhan Lactobacillus casei dan Karakteristik Susu Fermentasi Berdasarkan Suhu dan Lama Penyimpanan Siti Rani Ayuti; Nurliana Nurliana; Yurliasni Yurliasni; Sugito Sugito; Darmawi Darmawi
Jurnal Agripet Vol 16, No 1 (2016): Volume 16, N0. 1, April 2016
Publisher : Agricultural Faculty

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17969/agripet.v16i1.3476

Abstract

ABSTRAK. Mutu susu fermentasi sangat dipengaruhi oleh bahan baku, proses pengolahan, proses fermentasi, dan penyimpanan. Perubahan nilai gizi dapat terjadi karena variasi dan fluktuasi suhu dan penyimpanan akan mempercepat kerusakan susu fermentasi. Penelitian bertujuan untuk mempelajari pengaruh suhu dan lama penyimpanan yang berbeda pada susu fermentasi terhadap pertumbuhan L. casei dan karakteristik susu fermentasi. Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) pola faktorial yang terdiri dari 2 faktor yaitu faktor A (suhu) terdiri dari a1=4-10C, a2=10-16C. Faktor B (lama penyimpanan) terdiri b1=0 hari b2=30 hari, b3=60 hari, b4=90 hari dan dianalisis meliputi jumlah total bakteri L. casei, nilai derajat keasaman (pH), kadar asam laktat, sineresis, dan kadar alkohol. Hasil analisis menunjukkan bahwa perlakuan suhu dan lama penyimpanan berpengaruh sangat nyata (P0.01) terhadap total bakteri, sineresis, kadar alkohol, asam laktat, tetapi pada pH terjadi interaksi antara suhu dan penyimpanan. Disimpulkan bahwa suhu dan lama penyimpanan dapat mengakibatkan pertumbuhan L. casei tidak stabil dan terjadinya perubahan karakteristik fisik susu fermentasi L. casei.(Growth dynamics of Lactobacillus casei and characteristics of milk fermentation based on temperature and storage time)ABSTRACT. Fermented milk quality is strongly influenced by raw materials, processing, fermentation and storage. Changes in nutritional value may occur due to variations and fluctuations in temperature and storage will accelerate damage fermented milk. The research aimed to study the effect of temperature and different storage length of fermented milk on the growth of L. casei and characteristics of fermented milk. The study used completely randomized design (CRD) with factorial pattern which are consisted of two factors. Factor A (storage temperature) they were a1=4-10C, a2=10-16C. Factor B (storage time) they were b1=0 days, b2=30 days, b3=60 days, b4=90 days and analyzed include the total number of bacteria L. casei, the value of the degree of acidity (pH), lactic acid levels, syneresis, and alcohol content. The results showed that the temperature and storage time was highly significant (P0.01) effect the total bacteria, syneresis, alcohol level, lactic acid level, and there was interaction between temperature and storage time on pH. It can conclude that the temperature and storage time affect the growth of L. casei unstable and changes in the physical characteristics of L. casei fermented milk.
Penampilan Produksi Sapi Peranakan Ongole yang Diberi Pakan Konsentrat yang Mengandung Tepung Daun Murbei Duta Setiawan; Henny Nuraini
Jurnal Agripet Vol 16, No 1 (2016): Volume 16, N0. 1, April 2016
Publisher : Agricultural Faculty

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17969/agripet.v16i1.3013

Abstract

ABSTRAK. Penelitian ini dilakukan untuk mengetahui kemampuan pakan konsentrat yang mengandung tepung daun murbei terhadap performa sapi peranakan ongole. Percobaan ini menggunakan rancangan acak kelompok, dengan 4 perlakuan dan 4kelompok. Perlakuan terdiri dari P1 (Pakan hijauan berupa rumput lapang dan pakan konsentrat berupa murbei dan konsentrat komplit), P2 (Pakan hijauan berupa rumput lapang dan pakan konsentrat berupa murbei dan konsentrat jagung), P3 Pakan hijauan berupa rumput lapang dan pakan konsentrat berupa murbei dan konsentrat dedak padi, P4 (Pakan hijauan berupa rumput lapang dan pakan konsentrat berupa murbei dan konsentrat onggok). Parameter yang diukur adalah konsumsi pakan, pertambahan bobot badan harian, efisiensi pakan, Income Over Feed Cost (IOFC), dan R-C rasio. Hasil penelitian menunjukkan bahwa tepung daun murbei pada konsentrat yang berbeda tidak memberikan pengaruh yang nyata (P 0,05) terhadap pertambahan bobot badan harian, konsumsi pakan, efisiensi pakan, Income Over Feed Cost (IOFC), dan R-C rasio. Kesimpulan penelitian ini bahwa konsentrat yang mengandung tepung daun murbei dapat dikombinasikan dengan konsentrat tunggal seperti jagung, onggok atau konsentrat komplit.(Performance of local cattle (Peranakan Ongole-PO) feed concentrates containing mulberry leave meal)ABSTRACT. The research has been conducted to study the ability of mulberry leaves that mixed in concentrates feed on the performance of Local cattle. A randomized block design, with 4 treatments and 4 blocks applied. The treatments consisted of 4 different mix of feed which were P1 (native grass and concentrate feed in the form of mulberry leaves and concentrate complete), P2 (native grass and concentrate feed in the form of mulberry leaves meal and corn concentrate), P3 (native grass and concentrate feed in the form of mulberry leaves meal and rice bran concentrate), P4 (native grass and concentrate feed in the form of mulberry leaves meal and tapioca waste concentrate). Parameters measured were feed consumption, daily body weight gain, feed efficiency, Income Over Feed Cost (IOFC), revenue cost ratio. The results showed that the mulberry leaves meal in different concentrate not significantly (P0,05) affect daily body weight gain, feed consumption, feed efficiency and Income Over Feed Cost (IOFC), and revenue cost Ratio. It is concluded that based on the nutrient content, mulberry leaves meal concentrate can be combined with a single ingredient of concentrate feed such as corn, cassava waste meal or complete concentrate.

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