Judul: Studi Ukuran dan Bentuk Tubuh Ayam Kampung di Ciamis, Tegal dan Blitar
Abstrak: The purpose of this research is to identify the size and shape of the body using 328 Kampong chickens (45 males and 56 females from Ciamis; 20 males and 89 females from Tegal; 38 males and 80 females from Blitar). Differences of linear measurements of body surface of Kampong chicken from Ciamis, Tegal and Blitar was analyzed using descriptive analysis was tested with statistics T2 -Hotelling. The size and body shape of the Kampong chickens was be determined through a principal component analysis. The differences of sizes using a linear measurement of the body surface indicated that Kampong chickens from Ciamis were type that are more towards broiler type; Kampong chickens from Tegal were more toward laying hen type; and Kampong chickens from Blitar were more towards laying hens and broiler chickens type. The differences of linear variable of body size were found between two Kampong chicken group based on T2 -Hotelling statistical test (P<0,01). The result of principal component analysis shows that the Eigen values of Kampong Chickens from Ciamis, Tegal and Blitar sizes were found by the length of tibia (with Eigen vector were 0,562; 0,583 and 0,561 respectively) with correlation coefficient of size +0,789; +0,730 and +0,817 respectively. Tarsometatarsus lengths were also being found as a marker size of Kampong chicken from Blitar with Eigen vector 0,625 and correlation coefficient of size +0,829. Eigen value of shape of Kampong chickens from Ciamis and Kampong chickens from Tegal found by the length of femur were 0,547; 0,620 respectively and with correlation coefficient of shape +0,563; +0,694 while Eigen value of the length of tibia were 0,580; 0,607 respectively with the correlation coefficient of shape 􀵆0,499; 􀵆0,598. Eigen vector value of shape Blitar Kampong chicken was determined by the length of the femur and the wing length with the Eigen vectors were 0,603 and 0,625 respectively and the correlation coefficient of shape +0,652 and +0,674.
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Judul: Perbedaan Morfometrik Permukaan Tubuh Ayam Kampung Ciamis, Tegal dan Blitar Berdasarkan Variabel Pembeda Permukaan Linear Tubuh
Abstrak: Kampong chicken is the dual purpose of native fowl which used for dual purposes (broiler and layer types). The differentiation of Kampong chicken linear body size calculated with discriminat function analysis, Wald-Anderson and minimum distance D2-Mahalanobis. The location which used for research were Ciamis, Tegal and Blitar. The variables which measured were femur length, tibia length, shank length, shank circumference, wing length, maxilla length and third finger length. T2-Hotelling test show that there were the differentiation of Kampong chicken linear body size on each location. The distinguishing variables between cock of Ciamis and Blitar Kampong chicken were shank length and third finger length; whereas between cock of Tegal and Blitar Kampong chicken was shank length. The distinguishing variables between hen of Ciamis and Tegal Kampong chicken were shank circumference and wing length; between hen of Ciamis and Blitar Kampong chicken was third finger length; and between hen of Tegal and Blitar Kampong chicken were shank lenght and third finger length. Correction factor based on Wald-Anderson criteria between cock of Ciamis and Blitar Kampong chicken was 77,11% dan 77,59% between cock of Tegal and Blitar Kampong chicken. Correction factor between between hen of Ciamis and Tegal Kampong chicken was 71,03%; 66,91% between hen of Ciamis and Blitar Kampong chicken; and 71,01% between hen of Tegal and Blitar Kampong chicken. Minimum distance D2-Mahalanobis between cock of Ciamis and Blitar Kampong chicken was 1,699 and 1,513 between cock of Ciamis and Blitar Kampong chicken. Minimum distance D2-Mahalanobis between hen of Ciamis and Tegal Kampong chicken was 1,072; hen of Ciamis and Blitar Kampong chicken was 1,006; and between hen of Tegal and Blitar Kampong chicken was 1,061
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Judul: Sintesis 3-Benzoil-7-hidroksiflavon dari Resorsinol
Abstrak: Flavonoid is the most abundant naturally-occuring polyphenolic compound with C6-C3-C6 carbon skeleton. Flavones is a group of flavonoid having a broad bioactivity spectrum. In this experiment, 3-benzoyl-7-hydoxyflavone was successfully synthesized via 2-steps from resorcinol. In the first step, resorcinol was acetylated with AcOH/ZnCl2 producing resacetophenone with 89% yield. Subsequently, benzoylation and rearrangement of resacetophenone using 2 equivalent of benzoyl chloride and 7 equivalent of K2CO3 in acetone produced 3-benzoyl-7-hydroxyflavone with 62% yield. Synthesis of 3-benzoyl-7-hydroxyflavone from resorcinol provided evidence for new reaction mechanism of flavon formation without Baker-Venkataraman rearrangement proposed by several previous researchers. All products in this study has been characterized spectroscopically.
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