Judul: Pengaruh Tetrasiklin terhadap Gambaran Darah Anjing (Eritrosit dan Hemoglobin)
Abstrak: Anjing merupakan salah satu hew an kesayangan yang banyak dipelihara orang. Oleh karena itu kesehatan hewan perlu diperhatikan agar senantiasa sehat. Untuk menjaga kesehatan hewan dilakukan pengobatan sebagai pencegahan terhadap penyakit. Pengobatan masa kini banyak menggunakan obat yang mengandung antibiotika. Dalam penelitian ini antibiotika yang digunakan adalah tetrasiklin. Tetrasiklin merupakan hasil fermentasi streptomyces aureofaciens (Ettinger, 1975). Tetrasiklin mempunyai aktivita bakteriostatis dan berspektrum luas, selain itu potensi tetrasiklin cukup tinggi dalam menyembuhkan penyakit infeksi (Goodman, 1975).
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Judul: Profil Eritrosit Anjing di DITPOLSATWA Kelapa Dua Depok yang Terinfeksi Ehrlichia canis Setelah Pemberian Kombinasi Antibiotik, Antiinflamasi, Vitamin, dan Suplemen Darah.
Abstrak: Ehrlichia canis merupakan bakteri gram negatif obligat intraselular yang dapat menyebabkan status kesehatan anjing menurun hingga menimbulkan kematian. Ehrlichiosis dapat menyebabkan kondisi anemia serta trombositopenia. Studi kasus ini mengevaluasi profil eritrosit lima ekor anjing yang diterapi dengan kombinasi obat-obatan. Studi ini melibatkan lima satwa anjing yang berada di DITPOLSATWA Kelapa Dua Depok tanpa membedakan jenis kelamin, ras, umur, dan kemampuan (search and rescue, pelacak umum, pelacak narkoba, pelacak bahan peledak, dan pengendali massa). Studi kasus dilakukan pada bulan September 2017 dengan kombinasi obat-obatan berupa antibiotik (doxycycline), antiinflamasi (dexamethasone), suplemen darah (iron dextran, Hematopan®, dan Sangobion®), dan vitamin (Biodin®). Mesin hematology analyzer digunakan untuk memeriksa beberapa parameter berupa jumlah eritrosit, kadar hematokrit, nilai hemoglobin, serta indeks eritrosit. Hasil studi ini menunjukkan bahwa pemberian kombinasi obat-obatan menunjukkan perubahan yang tidak signifikan (P>0,05) terhadap profil eritrosit. Parameter eritrosit, hemoglobin, dan hematokrit berada di bawah nilai normal (anemia) dan menunjukkan peningkatan pada H-2 dengan nilai lebih tinggi dibandingkan dengan H-0. Indeks eritrosit menunjukkan sebagian besar anjing mengalami anemia normositik normokromik (anjing 2, 3, dan 4), sedangkan beberapa anjing lainnya mengalami anemia mikrositik hipokromik (anjing 1 dan 5).
Keyword: anjing, Ehrlichia canis, profil eritrosit, doxycycline, dexamethasone, iron dextran, Hematopan®, Sangobion®, Biodin®

Judul: Subsidence and Percentage of CO2 Emission from the Decomposition to Subsidence of Peatland on Palm Oil Plantations
Abstrak: The drainage system on peatlands is aimed to eliminate limiting factors that can inhibit the growth of oil palm plantations. On the other side, peatland drainage practices will cause peat subsidence and it is associated with CO2 emissions from peatlands. Subsidence method is one of the methods commonly used in the approach to calculate CO2 emissions. The peat subsidence process consists of consolidation, compaction, and decomposition. Previous research resulted in emission data of 100 tons CO2/ha/year, of which 92% of the subsidence is considered as decomposed peat, and 8% is the components of compaction, soil respiration (autotroph and heterotroph). The percentage of decomposition to compaction-consolidation in the previous study was overestimated. The research was conducted on the oil palm plantation of Koto Gasib Village, Siak Regency, Riau Province. From January 2019 to January 2020. The study was carried out on oil palm plantation blocks on peatlands that have been controlled drained with a canal system to maintain water levels. Observational data were collected from 6 subsidence stick, 3 dipwells, 3 peat profiles, and LiCor 8100A automatic chamber. The observation interval for the observation of bulk density, subsidence, C-Organic and ash content every 3 months, while for the water level using the monthly average and every 30 minutes for CO2 flux. Peat analysis was conducted at the Laboratory of Chemistry and Soil Fertility, Department of Soil Science and Land Resources, IPB. The purpose of this study were to observe the rate of subsidence of tropical peatlands in oil palm plantations at various ages of oil palm plants, and to determine the percentage of decomposition of peat material from the subsidence rate. Subsidence was measured at adjacent oil palm planting blocks at 9, 12, and 17 years of age, with a peat thickness of about 5 m, and the land had been drained for 10, 13, and 18 years, respectively (one year prior to planting). Peat decomposition (heterotrophic respiration) is considered as actual CO2 emission compared to the calculated emission from subsidence which is considered as potential CO2 emission from the calculation of the subsidence method. Analysis of peat fiber at the research site generally shows that the deeper the surface of the peat, the higher the fiber volume with the average fiber at a depth of 0-10 cm 25.3% and classified into hemic peat. The peat density analysis using the kubiena box showed that the average density of peat at a depth of 0-20 cm in the three blocks observed was 0.134 g/cm3. Peat ash content shows accumulation on the peat surface as a result of the decomposition process of peat material, with an average of 5.83% and 2.31% at depths of 0-10 and 10-20 cm, respectively. Meanwhile, the organic C content of peat showed an average of 55.64% at a depth of 0-20 cm. The average subsidence rate for oil palm plantations on tropical peatlands 10-18 years after controlled drainage is 2.47 ±0.76 cm/year. Peatland subsidence is higher in older oil palms due to higher plant load and root density. There is a bouncing back phenomenon or an increase in the peat
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