Judul: Morfogenetik Kucing (Felis domesticus) di Jakarta Timur
Abstrak: Kucing domestik (Felis domesticus) merupakan hewan peliharaan hasil domestikasi dari F. silvestris dan F. lybica yang telah didomestikasi sejak sejak zaman Mesir kuno, yaitu 3000-4000 tahun yang lalu. Penelitian ini bertujuan menduga keragaman kucing di wilayah Jakarta Timur berdasarkan karakter morfologi yang diekspresikan oleh 11 lokus, yaitu lokus w~W, A~a, B~b~b1, C~cb~cs~ca~c, D~d, i~I, L~l, o~O, s~S, Ta~T~tb, dan m~M. Nilai frekuensi alel dari setiap lokus dihitung menggunakan metode squere root dan maximum likelihood. Keragaman kucing di Jakarta Timur dapat dilihat berdasarkan nilai heterozigositas (h) dan heterozigositas rataan (.).
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Judul: Morfogenetik Kucing (Felis domesticus) di Tiga Kecamatan di Kabupaten Wonogiri
Abstrak: Felis domesticus was originated from domestication of Felis silvestris (European wild cat). Usually, cats were utilized as pets and mice controller by humans. This study aimed to estimate cat diversity in three districts in Wonogiri based on morphological characters expressed by 11 loci: A~a, B~b~bl, C~cb~cs~ca~c, D~d, i~I, L~l, m~M, o~O, s~S, Ta~T~tb, and w~W. Estimation of allele frequencies were performed using square root and maximum likelihood methods. Heterozygosity (h) and average heterozygosity (Ĥ) were applied to determine alleles diversity. FST was used to estimate genetic diversity among three districts; Wonogiri, Ngadirojo, and Selogiri. Among 11 observed loci, new alleles that found were b, cs, d, I, l, tb, W. Mostly wild type allele revealed higher frequency than mutan type allele, except m~M locus. Heterozygosity (h) on each loci were A~a= 0.491, B~b= 0.294, C~cs= 0.167, D~d= 0.227, i~I= 0.021, L~l= 0.238, m~M= 0.501, o~O= 0.470, s~S= 0.499, Ta~T~tb= 0.311, and w~W= 0.002. The highest allele diversity (h) was revealed in m~M locus. Average heterozygosity (Ĥ) over 11 loci and 9 loci were 0.261 and 0.268, respectively. The difference of average heterozygosity (Ĥ) was due to allele distribution and influenced by geography. FST of A~a, B~b, C~cs, i~I, L~l, Ta~T~tb, and m~M loci were smaller than 0.05 meaning that low genetic diversity detected upon loci. The negative FST in D~d, o~O, s~S, and w~W loci indicated that there were no difference on genetic diversity.
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Judul: Rancang Bangun dan Pengujian Balon Udara Panas Alat Penyemprot Padi Tipe Balon.
Abstrak: The objective of this research was to design an airship and conduct the performance test. The design was refered to The Standard Atmosphere (ISA) and The Royal Aeronautical Society for determination of airship’s dimensions. Analysis resulted the dimensional volume, lenght, and diameter were 40 m3, 10.8 m, dan 2.7 m respectively. Analysis of the frame has shown the value τ = 0.13 kg/mm2 < τallowed dan σ = 0.044 kg/mm2 < σallowed, and efficiency of the rivet’s joint was 50 %. The performance test shows the hot air (93.4 oC and 57.3 oC) can be lifted the load up to 3.8 kg. Based on the results it was not feasible in accordance with the plan that can be lifted 10 kg. Balloon with volume 105.3 m3 could lift the load 10 kg.
Keyword: Airship, hot air ballon, sprayer balloon type