Judul: Population Structure and Inbreeding Rate of Fat Tailed Sheep in Panekan Subdistrict Magetan Regency
Abstrak: Fat tail sheep is one of the Indonesia’s local sheep that is popular to breed because they have many advantages. This study aimed to examine the populationstructure and rate of inbreeding fat tail sheep in Panekan Sub-distric, Magetan Regency. This research used the survey method with purposive sampling. The samples used in this research was fat tail sheep in Ngiliran village, Wates village, and Banjarejo village. The variables were calculated in this study, namely the number of ram (Nm), number of ewe (Nf), number of lambs, number of male and female calves, actual population (Na), effective population size (Ne), and the rate of inbreeding (ΔF). The result showed that the total population fat tailsheep in three village was 442 head ofsheep. The population structure consist of 125 rams (28%), 158 ewes (36%), 31 lambs (7%), 31 young rams (9%), 53 young ewes (12%), 38 male lambs (9%), 37 female lambs (8%). The actual population (Na) of fat tailsheep was 279 heads of sheep. Rate of inbreeding of fat tail sheep in Panekan sub-district was 0,17%. The status of fat tail sheep in Panekan Sub-district waas classified as safe to be seen from the population structure and inbreeding rate.
Keyword: fat tailed sheep, rate of inbreeding, structure of population

Judul: Population Structure of Madura Cattle in Burneh Sub-District Bangkalan District
Abstrak: Sapi madura merupakan salah satu sapi lokal Indonesia yang memiliki keunggulan daya adaptasi yang baik terhadap lingkungannya. Penelitian ini bertujuan mengkaji populasi sapi madura di Kecamatan Burneh Kabupaten Bangkalan. Sampel yang digunakan dalam penelitian ini adalah sapi madura di Desa Arok, Desa Perreng dan Kelurahan Tunjung. Penelitian ini dilakukan dengan metode survei dengan purposive sampling. Variabel yang dihitung dalam penelitian yaitu jumlah sapi jantan (Nm), jumlah sapi betina (Nf), jumlah sapi jantan dan betina muda, jumlah pedet jantan dan betina, ukuran populasi aktual (Na), ukuran populasi efektif (Ne), dan laju inbreeding (ΔF). Hasil penelitian menunjukkan jumlah populasi sapi madura di Kecamatan Burneh sebanyak 272 ekor, dengan struktur populasi sapi madura jantan dewasa sebanyak 8 ekor (2,94%), betina dewasa sebanyak 208 ekor (76,47%), jantan muda sebanyak 3 ekor (1,10%), betina muda sebanyak 16 ekor (5,88%), anak jantan sebanyak 12 ekor (4,41%) dan anak betina sebanyak 25 ekor (9,19%). Ukuran populasi aktual (Na) sapi madura adalah 216 ekor. Ukuran populasi efektif (Ne) sapi madura adalah 30 ekor. Laju inbreeding sapi madura di Kecamatan Burneh adalah 1,67%., Madura cattle is one of the Indonesia’s local cattle that have been the advantage of good adaptability to their environment. This study aims to examine the population of madura cattle in Burneh sub-district, Bangkalan district. The samples used in the research were madura cattle in Arok village, Perreng village and Tunjung urban village. This research conducted was survey method with purposive sampling. The variables were calculated in the study, namely the number of bulls (Nm), number of cows (Nf), number of bulls and heifer, number of male and female calves, actual population size (Na), effective population size (Ne), and the rate of inbreeding (ΔF). The results showed that the total population of madura cattle in Burneh sub-district is 272 heads of cattle, with a population structure of 8 bulls (2,94%), 208 cow (76,47%), 3 bulls (1,10%), 16 heifer (5,88%), 12 male calves (4,41%) and 25 female calves (9,19%). The actual population (Na) of madura cattle is 216 heads of cattle. The effective population of madura cattle is 30 heads of cattle. Rate of inbreeding of madura cattle in Burneh sub-district is 1,67%.
Keyword: madura cattle, population structure, rate of inbreeding, population structure, rate of inbreeding, madura cattle

Judul: Sintesis, Iuraicterisasi Struictur Dan Sifat Termal Pada Bahan Iconduktor Superioniic Berbasis Gelas (Ag2S)x(AgP03)l-x
Abstrak: Bahan Konduktor superionik telah banyak diteliti terutama sebagai zat padat elektrolit untuk perangkat elektronik maupun elektrokimia dan salah satunya adalah bahan dengan Ag+ ditemukan memiliki konduktivitas tinggi pada temperatur ruang yaitu 0.01 A/cm. Pada penelitian ini gelas konduktor (Ag+S)x(AgPO3)l-xmelalui metoda pendinginan cepat (rapid quenching)di Laboratorium sediaan Cuplikan, Balai Spektometri Batan.
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