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All Journal Jurnal Geologi dan Sumberdaya Mineral (Journal of Geology and Mineral Resources) ZOOTEC
H. Permana, H.
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Energy Engineering Environmental Science Veterinary

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PERKEMBANGAN CEKUNGAN ANTAR-BUSUR DI DAERAH MAJALENGKA-BANYUMAS: SEJARAH TEKTONIK KOMPLEKS DI WILAYAH BATAS KONVERGENSI Permana, H.; Putra, P. S.; Ismiyanto, A. F.; Setiawan, I.; Hendrizan, M.; Mukti, M. M.
Jurnal Geologi dan Sumberdaya Mineral Vol 21, No 2 (2011): Jurnal Sumber Daya Geologi
Publisher : Pusat Survei Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (535.006 KB)

Abstract

An intra-arc basin, Late Miocene to Pliocene in age in the region of Majalengka - Banyumas area has been an interesting theme to be discussed. The volcanoclastic sediments pathway in this basin showing different direction compare to the time equivalent sediments in the adjacent Bogor Trough. Bouguer anomaly analyses clearly imaged the E-W regional structural grains of Bogor – Bandung –Majalengka crosscut pair of NW-SE Gabon dan Pamanukan-Karangbolong strike slip fault that parallel with the postulated intra-arc basin. These NW-SE structural lineaments could be responsible for the development of sub-basins and volcanic products through splay or duplex fault or pull apart mechanism in context oblique plate subduction in Early Miocene. Study of Majenang sub-basin, whereas epiclastic rocks deposited as sediment-gravity flows and their pyroclastic, shows the significance variation, upper, middle slope to basinal plain within the deep sea submarine-fan complex of the Late Miocene-Pliocene age during the development of this basin. The source of sediment deposits was associated with calk alkalin back arc volcanic edifice that grown and separated the sub-basins and other volcanoclastic source from Southern Mountain (Old Andesite Formation). The development of this basin indicates complex history since this region is now inverted and built the mountain range. Therefore further tectonic reconstruction in this region is required for better understanding the geologic history merit further geological exploration prospect.Keywords: intra-arc basin, volcanoclastic, Bouguer anomaly, sediment-gravity flows, back arc volcanic, calk alkalin
Pengaruh pemberian premix dalam ransum terhadap produksi dan kualitas susu sapi perah Friesian Holstein Akhdiat, T.; Widjaya, N.; Permana, H.; Christi, R. F.; Suherna, A.
ZOOTEC Vol 41, No 2 (2021)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (207.667 KB) | DOI: 10.35792/zot.41.2.2021.35377

Abstract

Ransum yang diberikan ditambahkan premix yang bermanfaat untuk pertumbuhan serta produksi susu sapi perah. Tujuan penelitian adalah untuk mengetahui produksi susu dan kualitas susu sapi perah yang ditambahkan premix dalam ransum. Metode yang digunakan dalam penelitian adalah rancangan acak kelompok (RAK) dengan tiga macam perlakuan pemberian premix sebanyak 90 gram, pemberian premix sebanyak 70 gram, pemberian premix sebanyak 50 gram masing-masing diulang sebanyak 6 ulangan. Hasil penelitian menunjukkan bahwa pemberian 50 gram premix berpengaruh nyata terhadap produksi susu sapi Friesien Holstein dengan jumlah 19,41 liter/ekor/hari sedangkan terhadap kualitas susu (berat jenis, kadar lemak, protein) memberikan pengaruh tidak nyata. Pemberian premix sebanyak 50 gram dapat meningkatkan jumlah produksi susu tetapi tidak mampu meningkatkan kualitas susunya.Kata kunci: premix, produksi susu, kualitas susu, sapi FH 
Co-Authors A. F. Ismiyanto, A. F. Akhdiat, T. Christi, R. F. I. Setiawan, I. M. Hendrizan M. M. Mukti, M. M. P. S. Putra Suherna, A. Widjaya, N.