Judul: Nematodiasis pada Sapi Perah di Wilayah Kerja Koperasi Peternakan Bandung Selatan (KPBS) Pangalengan
Abstrak: Di Indonesia menurut Smidt Dan Ferguson (Hasan, 1970) dikenal daerah basah, daerah kering, dan daerah antara basah dan kering, ataupun musim hujan dan musim kemarau serta belum diketahui pola gambaran populasi cacing pada sapi. Pengaruh lingkungan di daerah tropis memungkinkan perkembangan parasit cacing dengan baik oleh karena berebagai faktor yang mendukungnya.
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Judul: Nematoda saluran pencernaan sapi di Indonesia berdasarkan laporan lima balai penyidikan penyakit hewan tahun 1980 - 1984
Abstrak: Tulisan ini bertujuan untuk mengetahui prevalensi parasit nematoda saluran pencernaan sapi, dengan mengambil data sekunder dari lima BPPH yang tersebar di beberapa propinsi di Indonesia. Lima Balai Penyidikan Penyakit Hewan yang dimaksudkan adalah BPPH wilayah I Medan, BPPH wilayah II Bukittinggi, BPPH wilayah III Bandarlampung, BPPH wilayah IV Yogyakarta dan BPPH wilayah V Banjarbaru. Prevalensi nematoda saluran pencernaan sapi diketahui dengan melakukan pemeriksaan terhadap telur cacing pada tinja dan pemupukan tinja untuk mengidentifikasi larva cacing tersebut. Dari laporan tersebut di atas diketahui sebelas spesies nematoda dengan tingkat prevalensi yang berbeda-beda pada setiap propinsi. Sebelas spesies nematoda tersebut adalah Strongyloides sp., Oesophagostomum sp., Bunostomum sp., Haemonchus sp., Ostertagia sp., Trichostrongylus sp., Mecistocirrus sp., Cooperia sp., Nematodirus sp., Trichuris sp. dan Neoascaris vitulorum. Sapi-sapi yang diperiksa terdiri dari berbagai jenis, sapi potong maupun sapi perah, sapi anak dan sapi dewasa. Data yang diperoleh dari tahun ke tahun tidaklah lengkap, tapi sebagai gambaran kondisi parasiter nematoda saluran pencernaan sapi di Indonesia khususnya pada sapi, dianggap cukup. Dengan data tersebut sebagai bekal, penulis mencoba membahas sedikit perihal nematoda saluran pencernaan pada sapi, dihubungkan dengan cara pemberian makanan, cara pemeliharaan, pengendalian penyakit dan pengobatan terhadap penyakit tersebut.
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Judul: Enhancement of photon absorbtion on BaxSr1-xTiO3 thin films semiconductor using photonic crystals.
Abstrak: In this research, has been conducted BaxSr1-xTiO3 (BST) thin films manufacturing for mole fraction x = 0.25, 0.35, 0.45, and 0.55; and concentration of 1 molar using chemical solution depositon (CSD) method. The materials, which are used in this research, are barium acetate [Ba(CH3COO)2, 99%], strontium acetate [Sr(CH3COO)2, 99%], titanium isopropoxide [Ti(C12O4H28), 97.999%], gallium trioxide [Ga2O3], 2-methoxyethanol [H3COOCH2CH2OH, 99%] and 1 x 1 cm of transparent conductive oxide (TCO) glass as substrate. Two BST thin films are made that for BST thin films which are doped by 10% galium (BGST) as p-type layer and pure BST solution as n-type. BST solution is made by reacting barium acetate [Ba(CH3COO)2, 99%], strontium acetate [Sr(CH3COO)2, 99%] and titanium isopropoxide [Ti(C12O4H28)] into 2-methoxyethanol solvent [H3COOCH2CH2OH, 99%] in accordance with mass gram for each x value. While, BGST solution is made in the same way as BST solution, plus adding gallium at 10% of the mass of BST. Once all materials are reacted, then vibrated using ultrasonic for 90 minutes, and followed by coating BGST / BST on the TCO substrate. Once the layer is formed, then annealed for 15 hours at temperature of 500 °C with increasing rate of 1.67 oC/minute. Characterizations of BST thin films with or without photonic crystals include the absorbance and transmittance in the visible light spectrum, as well as the electrical photoconductivity characterizations. From BST thin films without photonic crystals indicate that our thin films have light absorption area on almost the entire range of the visible light spectrum even to the infrared range with absorption value over than 67.6%, in addition, it can be seen that the maximum absorbance of BST thin films for all mole fractions lie in blue to green light spectrum region, 457 nm ≤ λ ≤ 570 nm and the minimum in yellow to red light spectrum region, 570 nm ≤ λ ≤ 678 nm. The largest absorbance is found at x = 0.25 with average absorbance value of 92.04% and maximum and minimum absorbance peaks at wavelength of 500.89 and 657.72 nm, respectively. At x = 0.35, average absorbance value decreased to 83.55% with maximum and minimum peaks at 505.73 and 613.68 nm, respectively. Then increased to 91.16% at x = 0.45 with maximum and minimum peaks at 506.04 and 618.56 nm, respectively. At x = 0.55, average absorbance value decreased to 80.12% with maximum and minimum peaks at 507.85 and 608.79 nm, respectively. Moreover, it can be seen that the addition of barium mole fraction leads to wider maximum absorbance or minimum transmittance peaks and narrower minimum absorbance or maximum transmittance peaks in the same range of the green and blue & red light spectrums, respectively. BST thin films with photonic crystals show increasing in absorption for all x values in the range of 3.04 into 13.33%. At x = 0.25, average absorbance percentage increased 3.96% from 92.4 into 95.68%, for x = 0.35 average percentage increased 7.07% into 89.45 from 83.55%. Furthermore, average absorbance of BST thin films at x = 0.45 increased 3.04% from 91.16 into 93.93% and x = 0.55 has
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