Judul: Persepsi masyarakat penambang dan pengolah kapur terhadap aktivitas penambangan di desa Redisari kawasan ekokarst Gombong Selatan, Kebumen Jawa Tengah
Abstrak: Kawasan Karst oleh IUCN merupakan kawasan yang penting untuk dilindungi. Kawasan Ekokarst adalah kawasan yang dilindungi dan tidak boleh ada kegiatan pemanhtan sumberdaya yang berlebih. Namun menjadi Kawaasan Ekokarst bukan berarti bebas dari kegiatan eksploitasi. Masyarakat tetap menambang batuan gamping yang ada. Kawasan Ekokarst Gombong Selatan yang parah addah di Dusun Kalikarag, Desa Redisari: Kab. Kebumen (KO,2 004). Masyarakat disana menambang dan mengolah kapur secara terus- menerus. Tingkah laku mereka dapat diobservasi secara langsung yaitu menambang dan mengolah kapur. Namun perlu diketahui sikap dan persepsi mereka yang sebenarya untuk mengetahui apa yang mereka inginkan jika tidak menambang.
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Judul: Persepsi Masyarakat Penambang dan Pengolah Kapur Terhadap Aktivitas Penambangan di desa Kawasan Ekokarst Gombong Selatan, Kebumen, Jawa Tengah
Abstrak: Karst are recognized by IUCN as an essential ecosystem that needs to be protected thus some areas strictly prohibited from mining activities. Nevertheless, apart from being an Ecokarst region, mining activities at local scale can still be abserved in Rediasi Village, South Gombong. Therefore, in order to charge this profession as miners, their attitude, behaviour and perception must be understood. The objectives of the study is to determine and understabd the perception of limestone miners and lime producers towards mining activities in South Gombong Ecokarst Region. The specific objective is to understand and determine the behaviour and attitude of limestone miners and lime poducers in South Gombong Ecokarst, to determine factors effecting, behaviour, attitudes and perceptions to determine and understand the benefit of natural resources other than limestone
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Judul: Evaluation of Influenza Antibody Titers in Serum and Egg Yolk of Layers Vaccinated with Influenza Vaccines.
Abstrak: Influenza belongs to the Orthomyxoviridae family which causes upper and lower respiratory tract infection. The aim of this study was to evaluate influenza-A specific antibody titers from serum and egg yolk of hens vaccinated with quadrivalent influenza vaccines. Three Hy-line Brown layers were vaccinated with quadrivalent influenza type A and B inactivated vaccines. Vaccination was carried out three times at a dose of 0.25 ml/chicken via the intramuscular route. The first vaccination was carried out at 24 weeks of age, then boosters were performed at 28 and 32 weeks of age. Serum and egg yolk were collected every week for 20 weeks since the first vaccination. Influenza A H3N2 and H1N1 antibody titers were determined using hemagglutination-inhibition (HI) test and agar-gel-precipitation (AGP) test. Influenza-A H3N2 and H1N1 specific antibodies were detected in both serum and egg yolk from the first to twenty weeks after the initial vaccination. Highest HI geometric mean titer (GMT) of H1N1 antibody reached 26.67 HIU at nine weeks post first vaccination (p.f.v), while H3N2 antibody reached 26 HIU at six weeks p.f.v. Our result showed that influenza antibodies can be produced in layers using quadrivalent vaccines and layer chickens are able to produce equivalent antibody levels for each influenza subtype.
Keyword: antibody, egg yolk, influenza, layer chickens, serum