Judul: Study on Size and Body Shape of Kampung Chicken, Pelung Chicken and Its Crossbred
Abstrak: Kinds of local chickens in Indonesia are Kampung chicken, Pelung chicken and its cross bred (Nagrak chicken). Kampung chicken is prefered by the people because of its crisp meat and its resistance to desease and easiness of its maintenance. Pe1ung chicken is prefered by the people because it has long and deep voice, and the fast growth. Nagrak chicken is cross bred of Pelung chicken and Kampung chicken where is done in Nagrak Sukabumi. This research was carried out in three villages: Ciherang village Bogor, Nagrak village Sukaburni and Tegallega village Cianjur. The research was conducted April to June 2001. Data was analyzed until Mei 2002.
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Judul: Kajian Perbedaan Ukuran Morfometrik Tubuh Ayam Kampung dan Ayam Pelung serta Ayam Nagrak (Persilangan Ayam Kampung dan Pelung)
Abstrak: This research use a secondary data from Rahmat Mufti. The variables which measured were shank length, tibia length, femur length, shank circumference, third finger length, comb tall, maxilla length and wing length. T2-Hotelling test show that there were the differentiation of kampong, nagrak and pelung male chiken (P<0.01), also were seen in group female chiken between kampong and nagrak chiken and between kampong and pelung chiken (P<0.01). The similarity were seen in group female chiken between nagrak and pelung chiken (P>0.05). Fisher discriminant analysis proved the distinguishing were seen in all variables between male group of kampong and nagrak chiken excepted femur length; whereas between male group of kampong and pelung chiken the distinguishing seen in all variables accepted shank femur length. The distinguishing variables between male group of nagrak and pelung chicken were maxilla length. The distinguishing seen in all variables between female group of kampong and nagrak chiken excepted femur length and maxilla length; whereas between female group of kampong and pelung chiken the distinguishing seen in all variables accepted shank length and femur length. The distinguishing variables were unseen between female group of nagrak and pelung chicken. Correction factor based on Wald-Anderson criteria was 100% in group male chikens beetwen kampong and nagrak, and also beetwen kampong and pelung. Correction factor based on Wald-Anderson criteria beetwen nagrak and pelung male chikens was 82%. Correction factor based on Wald-Anderson criteria in all group female chikens was 100% excepted beetwen nagrak and pelung.
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Judul: Sintesis 1-Kloro-2-metoksi-6-propilnaftalena-1,3-dioksolana (1:1) sebagai Prekursor Asam (S)-(+)-(6-Metoksi-2-naftil)propanoat
Abstrak: Senyawa 1-kloro-2-metoksi-6-propilnaftalena-1,3-dioksolana (1:1) sebagai prekursor asam (S)-(+)-(6-metoksi-2-naftil)propanoat disintesis dari bahan awal 2-metoksinaftalena. Tahapan sintesis diawali dengan klorinasi menggunakan 2 jenis pereaksi klorinasi, yakni isosianurat terklorinasi dan NaOCl. Klorinasi dengan isosianurat terklorinasi berhasil menyintesis 1-kloro-2-metoksinaftalena sebagai produk monoklorinasi melalui pencirian dengan kromatograf gas-spektrometer massa (GC-MS). Nisbah konversi produk paling efisien diperoleh pada laju penambahan 2.5 mmol/jam. Sebaliknya, klorinasi dengan NaOCl menghasilkan produk triklorinasi. 1-Kloro-2-metoksinaftalena selanjutnya diasilasi dengan propanoil klorida, tetapi analisis dengan GC menunjukkan bahwa produk asilasi tidak terbentuk. Sistem bebas-air diperlukan untuk keberhasilan proses asilasi tersebut.
Keyword: isosianurat terklorinasi, NaOCl, nisbah konversi