ABSTRACT:The aim of this study was to assess the optimal balance ration of concentrate and forage to improve dairy milk production. The research was conducted at regional operational unit Mulyorejo, Barukan village, Tengaran Sub District, Semarang Regency, and Banyu Aji Cooperative, Getasan Sub District, Semarang Regency. Data was analyzed at Feed Nutrition Science Laboratory, Faculty of Animal Husbandry and Agriculture, Diponegoro University Semarang. The research started from June 29 to July 31, 2014. The materials of this research were 12 Friesian Holstein dairy cows in second and third months of lactation with average estimated body weight 408.5±30.86 kg (Coefficient of Variance (CV) = 10.68%) with average milk production around 9.3±1.01 liters (CV = 14.33%). The study was experimental research with completely randomized design using three treatments, i.e. T0 (50% of concentrate and 50% of forage), T1 (45% of concentrate and 55% of forage) and T2 (40% of concentrate and 60% of forage). The results showed that T2 had a significant effect on milk fat content (P<0.05), solid non fat (SNF) content (P<0.05), milk protein content (P<0.01) and milk lactose content (P<0.05). This study concluded that the optimal balance ration of concentrate and forage to improve milk performance consisted of 40% of concentrate and 60% of forage.
Abstract. The aim of the study was to determine the quality of fermented coffee husk using Heryaki probiotic based on lactic acid content, pH, dry matter, and Fleigh value. This research was conducted at the Laboratory of Animal Husbandry and Fisheries, Faculty of Agriculture, Tidar University for 21 days. The research method used a completely randomized design (CRD) with four treatments (P0: Coffee husk + 3% molasses), (P1: Coffee husk + 3% molasses + Heryaki probiotic 0.5%), (P2 Coffee husk + 3% molasses + Heryaki probiotic 1%), and (P3: Coffee husk + 3% molasses + Heryaki probiotic 1.5%) each treatment was repeated 5 times. The data were analyzed using ANOVA and continued using Duncan's multiple range test, and calculated using IBM SPSS 21. The results showed that the use of Heryaki probiotic had a significant effect (P<0.05) on lactic acid content, pH, dry matter, and Fleigh value. Treatment with the addition of probiotics as much as 1.5% (P3) was the best treatment againtst lactic acid content, pH and Fleigh value. Treatment without probiotics (P0) resulted in the best BK content. Keywords: coffee husk, fermentation, Heryaki probiotic Abstrak. Penelitian bertujuan untuk mengetahui kualitas fermentasi kulit kopi menggunakan probiotik Heryaki berdasarkan kandungan asam laktat, pH, bahan kering, dan nilai Fleigh. Penelitian ini dilaksanakan di Laboratorium Peternakan dan Perikanan Fakultas Pertanian Universitas Tidar selama 21 hari. Metode penelitian menggunakan Rancangan Acak Lengkap (RAL) dengan empat perlakuan (P0: Kulit kopi + 3% molases), (P1: Kulit kopi + 3% molases + probiotik Heryaki 0,5%), (P2 Kulit kopi + 3% molases + probiotik Heryaki 1%), dan (P3: Kulit kopi + 3% molases + probiotik Heryaki 1,5%) setiap perlakuan diulang sebanyak 5 kali. Data yang dihasilkan dianalisis menggunakan ANOVA dan dilanjutkan menggunakan uji jarak berganda Duncan, dihitung menggunakan alat bantu IBM SPSS 21. Hasil penelitian menunjukkan bahwa penggunaan probiotik Heryaki memberikan pengaruh nyata (P<0,05) pada kandungan asam laktat, pH, bahan kering, dan nilai Fleigh. Perlakuan dengan penamabahan probiotik sebanyak 1,5% (P3) menghasilkan kandungan asam laktat, pH dan nilai Fleigh terbaik. Perlakuan tanpa penggunaan probiotik (P0) menghasilkan kandungan BK paling baik. Kata-kata kunci: kulit kopi, fermentasi, probiotik Heryaki
Introduction: Downy mildew control using pesticides has been used intensively and led to the onset of resistant strains. This research aims to find out the effect of bamboo vinegar administration on disease incidence, disease severity, disease progression, and growth of maize. Materials and Methods: This research was conducted from June to August 2020 in the laboratory and Screenhouse of the Faculty of Agriculture, Universitas Tidar. The experiment was experimentally conducted using a Completely Randomized Design (CRD) consisting of 3 treatments with 6. are plants. In each polybag used there are 3 maize so there are 54 plants tested. The treatment tested is of bamboo vinegar and maydis (negative control), of bamboo vinegar with inoculation P. maydis (positive control), application bamboo vinegar 2 ml l-1 with inoculation P. maydis. Observations on the agronomic influence of maize covering height, , and dry weight were analyzed using ANOVA at a significance of 5% followed by LSD test at the same real level using software R v. 4.0.2. Results: Bamboo vinegar showed lignification in the treatment of stronger bamboo vinegar in corn leaf tissue, did not decrease in disease incidence, but decreased the disease severity by 22.18% and decreased disease the progression by 34.74% based on AUDPC value. The growth of maize, bamboo vinegar-treated shows values are not significant negative control.
This study was aimed to examine level supplemenation of corn oil (CO) as a source of protected poly unsaturated fatty acids (PUFA) and various crude protein (CP) levels in diets to ruminal iodin number and milk fatty acids of Friesian Holstein. The research done through two stages, using in vivo method and in vivo method. The corn oil protection is performed by saponification using KOH and then tranformed using CaCl2 to calcium salt. Research use two treatment factors with three replications, the first factor was supplementation of PUFA (L) with details L0 (Without protection), L1 (supplementation 75% Protected CO), and L2 (Supplementation 80% Protected CO) and the second factor is the P1 crude protein level (CP 12%) and P2 (CP 16%). The results showed that there was no interaction effect between the supplementation of protected CO with protein level to the ruminal iodin number, saturated fatty acid (SFA), unsaturated fatty acid (UFA), linoleic acid (LA), monounsaturated fatty acids (MUFA) and polyunsaturated fatty acid (PUFA) milk. The parameters are iodin number and milk fatty acids. Result of this research show that supplementation of protected CO increased the ruminal iodin number (P<0.01), UFA (P=), LA (P=) and milk PUFA (P=). Supplementation protected CO decrease milk SFA (P=). It can be concluded that supplementation of protected CO increases milk UFA of FH.
Salah satu kecamatan di Kabupaten Magelang, Jawa Tengah dengan populasi kambing cukup tinggi berada di Kecamatan Srumbung dengan populasi kambing sekitar 1.344 ekor. Jumlah populasi tersebut termasuk kambing potong dan kambing perah. Hingga saat ini belum ada informasi pendukung terkait tentang lokasi dan kondisi ternak kambing perah di Kecamatan Srumbung, khususnya di Desa Mranggen. Penelitian ini bertujuan untuk mengidentifikasi lokasi peternakan dan performa fisik kambing perah di Desa Mranggen. Pengambilan sampel objek penelitian menggunakan purposive sampling. Kriteria sampel kambing perah yang digunakan dalam penelitian ini yaitu kambing perah betina dengan umur di atas 1 tahun sebanyak 48 ekor. Data yang diperoleh dianalisis secara deskriptif. Didapatkan hasil bahwa lokasi peternakan kambing perah berada pada ketinggian +539 mdpl, suhu 24,5oC, kelembapan 70.7% dan THI 73,43. Terdapat dua jenis kambing perah yaitu kambing Peranakan Ettawah (PE) dan Sapera dengan performa fisik yang diamati panjang kepala, lebar kepala, panjang telinga, tinggi gumba, lebar telinga, lingkar dada dan panjang badan. Kesimpulan dari penelitian Desa Mranggen memiliki kondisi lingkungan yang mendukung untuk pemeliharaan kambing perah. Ketinggian tempat, suhu dan kelembapan serta THI berada pada zona nyaman untuk ternak (comfort zone) hidup. Ukuran tubuh kambing PE masuk dalam standar Stdanadr Nasional Indonesia (SNI) yaitu panjang badan, lingkar dada dan panjang telinga kecuali tinggi pundak yang belum sesuai syarat minimal SNI. Sedangkan performa fisik kambing Sapera memiliki ukuran tubuh dan kepala yang hampir sama seperti kambing PE namun untuk ukuran telinga lebih kecil dan pendek.
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