Judul: Model Pengambilan Keputusan Peternak Dalam Pemilihan Bangsa Ruminansia Kecil Di Desa Jatimerta, Kecamatan Cirebon Utara, Cirebon
Abstrak: Model Pengambilan Keputusan Denah Pohon (MPKDP) merupakan salah satu cara yang baik untuk menganalisa suatu keputusan. Pada dasarnya MPKDP adalah serangkaian hubungan yang logis antara berbagai alternatif yang dihadapi, berbagai kriteria keputusan dan macam keputusan berupa tindakan menerima atau menolak. Prosedur MPKDP yang mudah dan sederhana dipandang cocok densan jalan pikiran para peternak di pedesaan.
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Judul: Kajian Pengambilan Keputusan Pemilihan Jenis Pohon dalam Pengelolaan Hutan Rakyat (Kasus di Desa Bojonggedang, Kecamatan Rancah, Kabupaten Ciamis)
Abstrak: The development and management of community forests in fact now is facing some problems. One of them is related to the selection of seed. The seeds that farmers can get, have modest quality. On the other hand, the choice of good quality tree is determined by the quality of the good seed. In addition to seed selection in community forest management, we should also consider how the farmers run their community forests, therefore this study aims are: 1) to explain the conditions of community forest management at the study site, and 2) to describe the considerations of the tree species which planted by farmers. This study takes place at Bojonggedang Village, Rancah Sub District, Ciamis Regency. The method for selecting respondents is purposive sampling method, with total respondents are 30 peoples. The results of this study indicate that the process of forest management by farmers are: 1) preparation of land, 2) planting, and 3) maintenance with undetermined frequency. Farmers are not doing harvesting activities by themself, they submitted on middlemen for both logging and timber transportation. Processing of forest products by farmers only for personal consumption, not for sale. Economic consideration is a primary consideration in determining the type of tree seed that will be planted. It can be seen from the factor type of seed that produce faster; easier access to markets; and the stability of the selling price of these types.
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Judul: Durability of Specific Immunoglobulin (Ig) Y Againts Influenza and Covid-19 in Sunscreen
Abstrak: The benefit of specific immunoglobulin Y (Ig Y) as an active ingredient in personal care products such as sunscreen has not been properly studied. Our study aims to evaluate the reliability of specific IgY against influenza and the COVID-19 virus in a sample sunscreen product. Specific IgY influenza and COVID-19 viruses were inserted in the sample sunscreen at two concentrations of 0.1% and 0.25%. Three treatments were observed: control (C) sunscreen without IgY, treatment 1 (T1) sunscreen with 0.1% IgY, and treatment 2 (T2) sunscreen with 0.25% IgY. Organoleptic observations were carried out to monitor changes in aroma, color, and texture, and sunscreen sampling was done every week for 6 weeks. The durability of IgY was evaluated using an enzyme-linked immunosorbent assay (ELISA) and a neutralization assay. Organoleptic observation from weeks 1 to 6 showed consistency in its aroma, color, and texture. Enzyme-linked immunosorbent assay and neutralization assay (NA) results of the T1 and T2 groups showed negative results except for sample T1 at week 5, which showed a positive result in the Influenza A ELISA. Based on the results, it seems that IgY concentrations of 0.1% or 0.25% were not optimal. However, this negative result might be due to low concentration of the IgY and the presence of beeswax, which inhibits IgY and causes it to dissolve in distilled water, thus preventing it from being detected in the assay.
Keyword: Immunoglobulin Y, Sunscreen, Influenza, COVID-19, Biological Activity