Judul: Studi Kasus di Kelurahan Brebes dan Kelurahan Limbangan Wetan, Kabupaten Brebes, Jawa Tengah
Abstrak: Telur itik banyak mengandung protein bila dibandingkan jenis telur lainnya. Kandungan protein dan lemak itik lebih besar yaitu mengandung 17 gram protein dan 34 gram lemak serta 377 kal/butir, sehingga efektif sebagai sumber penghasil energi. Tetapi pengolahan telur segar menjadi telur asin sebagai salah satu hasil olahan telur itik masih sangat kurang. Pengolahan tersebut masih merupakan home industry
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Judul: Respons biologik itik tegal terhadap pakan pertumbuhan dengan berbagai kadar protein
Abstrak: Ternak itik walaupun bukan ternak asli Indonesia, telah mampu beradaptasi baik dengan lingkungan Indonesia, sehingga dapat dianggap sebagai ternak lokal. Peranan ternak itik bukan saja memberikan lapangan kerja dan sumber pendapatan rakyat di pedesaan, tetapi juga menjadi sumber telur konsumsi kedua setalah ayam ras. Walaupun populasi itik di Indonesia (26.025 juta) termasuk populasi tertinggi untuk itik petelur di ASEAN, namun di Indonesia ternak itik masih merupakan ternak yang kurang mendapatkan perhatian dalam usaha-usaha untuk meningkatkan potensinya sebagai sumber pangan maupun hasil sampingan seperti bulunya. Dari penelitian-penelitian yang menggunakan itik lokal dapat disimpulkan bahwa antara 390 - 50 persen dari itik lokal adalah itik-itik yang rendah potnsinya dalam produksi telur, namun selebihnya adalah itik-itik yang mempunyai potensi produksi telur yang tinggi.
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Judul: Systematics of Desmos (Annonaceae) in Malesia
Abstrak: Desmos is a woody climbing genus of Annonaceae which has been widely used as traditional medicine in several countries such as China, Indo-China, Thailand, and Peninsular Malaysia to treat dysentery, vertigo, fever, and postpartum. Phylogenetic studies on Desmos showed a close relationship between Desmos and Dasymaschalon. They share similar moniliform monocarpic fruits, but their flowers are different. It has been debated among Annonaceae researchers whether both genera should be treated as the same or distinct genus. Therefore, investigation on the taxonomic delimitation of Desmos species and Dasymaschalon will be necessary. Plastid genome (plastome) identification, leaf epidermal section of Desmos species and Dasymaschalon species, a taxonomic revision of Desmos in Malesia using morphological data, the spatial distribution of Desmos species in Malesia, and morphological and genetic variation in Desmos chinensis population using ISSR marker were used to investigate taxonomic delimitation of Desmos. Plastome study of Desmos chinensis and Dasymaschalon dasymaschalum was carried out to determine the origin, evolution, phylogenomics, and identify marker candidates for Desmos and Dasymaschalon or with other genera in Annonaceae. We discovered that the plastome of Desmos chinensis was circular with the size of 167,677 bp (smaller than Dasymaschalon dasymaschalum), consist of 111 genes, including 78 protein-coding genes, 29 transfer RNAs, and 4 ribosomal RNAs. The plastome showed a typical quadripartite structure, i.e., large single copy (LSC), small single copy (SSC), and two inverted repeats (IRs). The plastome of Dasymaschalon dasymaschalum was 191,488 bp in length, which also exhibited a typical quadripartite structure (LSC, SSC, and two IRs). Desmos chinensis and Dasymaschalon dasymaschalum showed different copies of accD, ndhD, ndhF, rps18, and ycf2. Protein coding genes of rpoB, rpoC1, rbcL, matK, rpl32, infA, and rpl36 were identified based on nucleotide diversity, sequence variability, and parsimony-informative sites. The genes are defined as molecular marker candidates of plastome for phylogenetic, barcoding, and population genetic research. We predicted that Desmos chinensis and Dasymaschalon dasymaschalum separated at ca. 64 million years ago during the Paleocene. Leaf anatomical feature study was carried to support the taxonomic delimitation of interspecific Desmos and intergeneric of Desmos and Dasymaschalon. Leaf anatomy in the paradermal section of 20 taxa (12 species of Desmos, eight species of Dasymaschalon) have been carried out. According to the leaf epidermal section, Desmos and Dasymaschalon are two distinct genera mainly distinguished based on the anticlinal wall undulation of epidermal cells and supported by variation of the crystal type and size. The anticlinal wall undulation of Desmos was almost straight to slightly wavy and never sinuous; meanwhile, Dasymaschalon varies from almost straight to deeply sinusoid. The crystals of Desmos consist of rhombohedral, druse type A, and druse type B crystals, whereas Dasymaschalon has prism, druse type A, druse type B, and druse type C crystals. The recent taxonomic revision using the morphological data was mainly based on the examination of about 1374 specimens from BO, L, WAN, ANDA, SING, SAN, K, P, HUH herbaria. The Desmos species in Malesia consists of eight species: D. acutus, D. chinensis, D. chryseus, D. dunalii, D. pedunculosus, D. subbiglandulosus, two new records: D. lawii and D. macrocarpus, and one
Keyword: Dasymaschalon, Desmoid clade, Magnoliid, plastid genome, phylogenomics analysis