1,720,974 research outputs found
Bimbingan Teknis Pembuatan Kolam Terpal Untuk Budidaya Ikan Di Desa Margajaya Kecamatan Metro Kibang Kabupaten Lampung Timur
Full text linkMargajaya Village is one of the villages in Metro Kibang District, East Lampung province. One of the activities that has prospects to develop in Margajaya village is fishery activities, hatchery, Aquaculture and fish processing activities. Knowledge about fisheries, especially fish culture is still quite low, coupled with the use of production equipment that is still very conventional and dependence on nature is a problem of the fish cultivator group. The lack of knowledge about the use of technology in cultivation, especially in anticipating the scarcity of water resources as a cultivation medium is so lacking that it causes its production activities to not run continuously. Therefore, community service activities need to be done to provide solutions for the application of technology to overcome these problems. Based on the activities that have been carried out, it is known that fish farming activities using tarpaulin ponds as a cultivation container can be one solution. Methods of community education, consultation and mentoring are the three most effective methods for solving problems in the village. The benefits of the activities that have been carried out are to provide new knowledge and skills regarding the manufacture of tarpaulin ponds as a medium for fish cultivation
Penambahan Ramuan Tradisional dalam Pakan Pengaruhnya Terhadap Pertumbuhan Lele Dumbo (Clarias gariepinus)
Full text linkThis research aimed to know the effect of addition different dose of traditional ingredient in feed of African catfish on the growth, survival rate and food conversion ratio. The experiment used completely randomized design (CRD) with four treatment and triplicates, the treatment wear dose of traditional ingredient which were 0 cc, 5 cc, 10 cc and 15 cc each kg food. The research was conducted in Laboratorium of Fisheries Research, Faculty of Agriculture, Gadjah Mada University. The experiment using twelve 50 x 50 x 50 cm3of fiberglass tank with 40 cm water depth for 70 days. Total length and weight of African catfish used in this research ranged 11-13 cm and 10-12 respectively. Stocking density which used in the experiment was 100 fish/m2or 25 fish each fiberglass tank. Traditional ingredient was mixed in food at the time of feeding. The African catfish were fed add-satiation. Parameter measured were: growth, survival rate, food conversion ratio and size variation of harvest. The result of the experiment showed that the addition of traditional ingredient did not influenced significantly on lenght, weight, specific growth, survival rate and food convertion ratio. The proportional of food conversion ratio value got smaller when the addition of traditional ingredient going up. Key words: African catfish, growth, and traditional ingredient
Pengaruh Jarak Waktu Pemberian Kejutan Dingin pada Pembentukan Individu Triploid Ikan Patin (Pangasius Sp)
Full text linkThe aim of this study was to know the effect of temperature shock gift time distance from fertilization on the triploidy individual process, persentage of hatching rate and survival rate of larva patin catfish. Temperature shock gift time distance treatment from fertilization process is given each 120 second, 180 second, 240 second and 300 second in temperature 40C during 90 second. Each treatment is done as much as 3 times. Hatch and larva maintenance is done in aquarium and hapa for fingerling activity. The result shows that temperature shock gift time distance treatment from fertilization process gives real result on the triploidy individual procces in patin catfish (p<0,05). Highest percentage triploidy individual is got in temperature shock gift time distance from fertilization process 180 second as big as 83,33 %. The growth level patin catfish day 28 show enhanced in line with individual percentage enhanced triploidy from each treatment. The highest growth rate is got from temperature shock gift time distance treatment from fertilization process as big as 11,13 %. Keywords: catfish, triploidy, time distance, temperature shoc
PEMBERIAN Lactobacillus sp. PADA PAKAN UNTUK MENINGKATKAN PERTUMBUHAN UDANG VANAME (Litopenaeus vannamei) DI TAMBAK INTENSIF
Full text linkWhite shrimp (Litopenaeus vannamei) is one of the economically important shrimp that has several advantages including tolerance of water conditions, can grow quickly, and thick flesh. One of the problems in white shrimp cultivation is the slow growth of white shrimp due to inappropriate feed management. The addition of grampositive bacteria to the feed is scientifically believed to increase the growth of white shrimp. Among the grampositive bacteria that are commonly added to white shrimp aquaculture activities, namely Lactobacillus sp., this bacterium has many advantages for the survival of white shrimp in aquaculture activities. The addition of Lactobacillus sp. can increase the digestibility of feed due to simplification of complex proteins into simpler proteins so that the feed is easily absorbed by white shrimp. The results obtained from the administration of Lactobacillus sp. bacteria in the feed were getting very good growth results, the growth results from the lowest to the highest were A1 = 23.8 grams/head, A2=28.1 gram/head, A3=24.3 gram/head, A4=22.1 gram/head, A5=22.4 gram/head, A6=18.8 gram/head.Udang vaname (Litopenaeus vannamei) adalah salah satu udang ekonomis penting yang memiliki beberapa kelebihan diantaranya adalah toleransi kondisi air, dapat tumbuh dengan cepat, dan daging yang tebal. Salah satu permasalahan dalam budidaya udang vaname yaitu pertumbuhan udang vaname yang lambat akibat pengelolaan pakan yang tidak sesuai. Penambahan bakteri gram positif pada pakan secara ilmiah diyakini dapat meningkatkan pertumbuhan udang vaname. Di antara bakteri gram positif yang biasa ditambahkan pada kegiatan budidaya udang vaname yaitu bakteri Lactobacillus sp., bakteri ini memiliki banyak keuntungan bagi kelangsungan hidup udang vaname pada kegiatan budidaya. Penambahan bakteri Lactobacillus sp. dapat meningkatkan kecernaan pakan akibat penyederhanaan protein kompleks menjadi protein yang lebih sederhana sehingga pakan mudah diserap oleh udang vaname. Hasil yang diperoleh dari pemberian bakteri Lactobacillus sp., pada pakan yaitu mendapatkan hasil pertumbuhan yang sngat baik, hasil pertumbuhan dari yang terendah sampai yang tertinggi yaitu A1= 23,8 gram/ekor, A2=28,1 gram/ekor, A3=24,3 gram/ekor, A4=22,1 gram/ekor, A5=22,4 gram/ekor, A6=18,8 gram/ekor.
Kata kunci: Pakan, Lactobacillu sp,udang vaname (Litopenaus vannamei), Pertumbuha
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Pendederan Ikan Nila dengan Sistem Mina Padi di Desa Tribudi Sukur Kecamatan Kebun Tebu Kabupaten Lampung Barat
Full text linkTribudi Sukur Village is one of the villages in the Kebun Tebu District, West Lampung. Community fishing activities in Tribudi Syukur Village are accommodated in several Fish Cultivator Groups. Utilizing the potential of the region that is very supportive with the existence of existing water sources continuously throughout the year can be one of the important inputs in tilapia hatchery activities. The use of limited ponds makes the production of seeds produced still unable to meet market demand both from the quality, quantity and continuity of production. The potential that can be exploited from this situation by looking at the condition of natural resources in Tribudi Sukur village, where there are many rice fields with available water sources throughout the year, is to use the rice fields as a medium in the nursery of fish larva. Therefore, community service activities need to be done to provide solutions. The application of integrated technology between rice cultivation in rice fields and fisheries is by applying the Mina Padi cultivation system can be one solution. Methods of community education, consultation and mentoring are the three most effective methods for solving problems in the village. The benefits of the activities that have been carried out are to provide new knowledge and skills regarding the tilapia fish breeding with the Mina Padi syste
Komposisi Kimia Daging Udang Vanamei Dan Udang Windu Dengan Sistem Budidaya Keramba Jaring Apung
Full text linkSalah satu terobosan untuk meningkatkan produksi udang adalah memanfaatkan laut dengan keramba jaring apung. Tujuan dari penelitian ini adalah untuk membandingkan komposisi kimia dari udang putih (Litopenaeus vannamei) dan daging udang windu (Penaeus monodon) yang dibudidayakan di keramba jaring apung. Hasil dalam penelitian ini menunjukkan bahwa daging udang putih memiliki kandungan protein dan abu yang lebih tinggi daripada daging udang windu. Komposisi langsung pada otot udang diatur oleh banyak faktor, termasuk spesies, tahap pertumbuhan, pakan dan musim
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
- …
