bluuebunny/crossref_metadata_2025_split huggingface dataset:
Keanekaragaman Makrozoobentos Di aliran Sungai Talawaan Minahasa Utara, Sulawesi Utara
Authors: Saudarah Adiawan , Rondonuwu Sendy Beatrix , Pontororing Hanny Hesky 
Published: July 2019

Makrozoobentos memiliki peranan penting dalam ekosistem perairan. Ciri makrozoobentos dengan pergerakan yang relatif terbatas menyebabkan makrozoobentos dapat menjadi bioindikator kualitas air sungai. Sungai Talawaan merupakan salah satu habitat makrozoobentos yang terletak di Minahasa Utara, Sulawesi Utara. Penelitian ini bertujuan mengidentifikasi jenis-jenis makrozoobentos yang terdapat di Sungai Talawaan, Minahasa Utara, Sulawesi Utara dan menganalisis tingkat keanekaragaman makrozoobentos di Sungai Talawaan. Pengambilan sampel makrozoobentos menggunakan metode purposive sampling. Hasil penelitian menunjukkan makrozoobentos yang ditemukan di Sungai Talawaan sebanyak 297 individu yang terdiri dari 3 filum, 3 kelas, 9 bangsa, 17 suku dan 21 marga. Indeks keanekaragaman makrozoobentos tertinggi pada Stasiun 1 (2,50), kemudian diikuti oleh Stasiun 2 (2,40) dan terendah pada Stasiun 3 (2,07)Macrozoobenthos has important roles in the aquatic ecosystem. The macrozoobenthos characteristic with relatively limited movement enables this organism to be the bioindicator of water quality in the river. Talawaan River is one of the macrozoobenthos habitat in the North Minahasa, North Sulawesi Province. This study aimed to identify the macrozoobenthos and to analyze the level diversity of macrozoobenthos in the Talawaan River, North Minahasa, North Sulawesi. The macrozoobenthos was sampled using purposive sampling method. The results showed that there were 3 phyla, 3 classes, 9 nations, 17 tribes and 21 clans of macrozoobenthos found in the Talawaan River. The highest diversity index of macrozoobenthos was observed in the station 1 (2.50), then followed by station 2 (2.40) and the lowest was in the station 3 (2.07)
Penambahan Madu Dalam Pengenceran Sperma Untuk Motilitas Spermatozoa, Fertilisasi dan Daya Tetas Telur Ikan Nila (Oreochromis niloticus)
Authors: Nainggolan Ramses , Monijung Revol D , Mingkid Winda 
Published: July 2019

The research intends to determine the optimal concentration of honey addition in sperm dilution on sperm motility, fertilization and eggs hatchability of Nile Tolapia (Oreochromis niloticus). Experimental design used was a Complete Randomized Design (CRD) with three times repetition of four treatments. The concentration of honey addition used for treatment are A (0 ml of honey in 100 ml of physiological NaCl), B (0.60 ml of honey in 99.40 ml of physiological NaCl), C (0.65 ml of honey in 99.35 ml of physiological NaCl), D (0.70 ml of honey in 99.30 ml of physiological NaCl). Parent used consisted of five female parent and five male parent with 250 – 500 mg weight. Sperm dilution containers used was 12 plastic cups and the container fertilization and hatching eggs container used was 12 brass plates. Spermatozoa motility observation performed immediately after dilution process. Fertilization observation was performed after 12 hours of fertilization process, and Egg Hatchability observation was performed after 60 hours of fertilization. The observation results showed that the addition of honey in sperm dilution contributed significant effect on spermatozoa motility, fertilization and eggs hatchability of Nile Tolapia (Oreochromis niloticus). This observation showed that the addition of 0.70 ml of honey in a sperm dilution was the best treatment seen from the average percentage of spermatozoa motility (73,33 %), fertilization (80,00%) and eggs hatchability (77,33 %.) Keywords: Honey, sperm dilution, spermatozoa motility, fertilization, eggs hatchability Nile Tolapia
Pengaruh Pemberian Pakan Komersial yang Berbeda pada Pertumbuhan Ikan Nila Oreochromis niloticus
Authors: Hamadi Martha F , Sampekalo Julius , Lantu Sartje 
Published: July 2019

This research intended to study the growth of nile tilapia and commercial food conversion. The research was conducted at Laboratory of Nutrition and Fish Feed Technology, Faculty of Fisheries Sam Ratulangi University Manado. Fish feed used were Comfeed (Treatment A), Bintang (Treatment B) dan Lokal Food (Treatment C). Feeding dosage was 5% per body weight per day and feeding frequency was three times a day. The research used complete randomized design with three treatments each with three replications. Research results showed that treatment A had absolute growth 257,67 g, , relative growth 160,37% and food conversion ratio 1,81 while treatment B had absolute growth 240,67 g, relative growth 152,05% and FCR 2.36, and treatment C 235,00 g absolute growth, relative growth 147,04% and FCR 2.41. Statistic analysis found abosolute growth of fish in treatment A different significantly compared to treatment B and C. Treatment A and B had similar effect but different significantly compared to treatment C. It could be concluded that the use of comfeed was better to increase fish growth and FCR as compared to treatment B and C. Keywords: growth, nile tilapia, food conversion ratio, commercial feed
Evaluasi Usaha Pembudidayaan Ikan di Desa Matungkas Kabupaten Minahasa Utara
Authors: Koten Elias , Mondoringin Lukas L.J.J , Salindeho Indra R.N 
Published: July 2019

The purppuse of research was to study the feasibility of fish culture technically and economically. Primary data was gathered by interview to fish farmer and secondary data was obtained from related references. Data analyzed were break even point and foof conversion ratio. Water source of pond was spring water and the pond depth was 0.50 – 1.75 m. Juveniles were obtained fron Tatelu Freshwater Aquaculture Board and other palces. Fish was fedr pellet for 3-4 months. Pond conctruction did not match the criteria . Fish farmer did not used capital from bank and farmers did not use book account in running the business. Food conversion ratio was 2.5 – 3.5. The price of pellet was Rp. 8.500/kg ang fish price was Rp. 25.000/kg. Fish farmer dit not receive enough profit in running fish culture Keywords: feasibility study, pond construction, fish culture, Matungkas Village
Pemanfaatan ragi sebagai penyeimbang bahan baku berserat dalam formulasi pakan ikan nila (Oreochromis niloticus)
Authors: Telleng Dewi , Lumenta Cyska , Monijung2 Revol D 
Published: July 2019

This study was conducted to determine the effect of yeast as a counterweight of fibrous raw material in Tilapia feed formulations on growth and feed efficiency value. The research results found that the biggest absolute growth of Tilapia fry occurred in treatment A: 5% yeast (9,2 g), followed by C: 15% yeast (8,6 g), D: 20% yeast (7,14 g), and B: 10% yeast (5,03 g). The highest feed efficiency value occurred in treatment A (23,75%), followed by C (22,45%), D (18,69%) and B (13,96%). The parameter of water quality measured during experiment included temperature 26-28o C and pH 7. The range value of water quality in each treatment was considered to be proper for the living condition of fish fry. Keywords: yeast, Oreochromis niloticus, growth, feed efficiency
Pemanfaatan tepung kulit pisang raja (Musa paradisiaca) dalam formulasi pakan ikan nila (Oreochromis niloticus)
Authors: Nanariain Rian M. , Lumenta Cyska , Pangkey Henneke 
Published: July 2019

The objective of this research was to evaluate the effect of supplementation of banana skin (Musa paradisiaca) in feed formulation on absolute growth, relative growth, daily growth and feed efficiency of nile tilapia. The research was conducted at the Laboratory of Aquaculture Technology, Faculty of Fisheries and Marine Science, Sam Ratulangi University. The research used Complete Randomized Design with five treatments inluded A: without supplementation banana skin powder, B: 40%, C: 30%, D: 20% and E: 10% of banana skin powder. Each treatment had three replications. The result showed the best response was observed in treatment D with absolute growth o43.11 g, relative growth 88.9%, daily growth 10.17%, and feed efficiency 3.20%. Keywords: feed formulation, banana skin, nile tilapia, absolute growth, relative growth, daily growth, feed efficiency
Pengaruh kualitas fisika kimia perairan terhadap usaha budidaya ikan di Danau Bulilin Kabupaten Minahasa Tenggara
Authors: Kabalmay Agmilda A. , Pangemanan Novie P.L. , Undap Suzanne L. 
Published: July 2019

The research was conducted to determine the condition of physicochemical quality of waters and its effect on the sustainability of aquaculture in Bulilin Lake. The study was conducted at Lake Bulilin, Southeast Minahasa Regency in September 2016 (dry season) until January 2017 (rainy season). Measurement of physicochemical quality of waters was conducted in situ at 9 stations: station 1, 2, 3 (not aquaculture area); station 4, 5, 6 (aquaculture area) and station 7, 8, 9 (floating restaurant area). Laboratory analysis of water samples from three stations, namely station A (not aquaculture area), station B (aquaculture area) and C (floating restaurant area), was done at the Board of Research and Industrial Standardization Manado. Primary data were collected by interview to aquaculturist and field observation on aquaculture effort in Bulilin Lake. The results of the study showed that water temperature range from 27 - 32oC, total dissolved solid 0.239 – 0.305 g/l, brightness 40 – 72.5 cm, pH 6.44 - 9, dissolved oxygen 3 – 5.18 mg/l, Nitrate 1.93 - 5.67 mg/l, nitrite 0 mg/l, ammonia 0 - 0.22 mg/l and phosphate 0 - 0.60 mg/l. These result indicated that water quality condition is still in accordance with the quality standard for fish culture except ammonia. High ammonia level caused overgrown of Eichhornia crassipes (eceng gondok). The sustainability of fish culture at present is relative fluent and beneficial even though the waters have been overgrown with weed water hyacinth. However for the sustainability of the aquaculture effort in Bulilin Lake it is necessary to manage the waste to Bulilin Lake.Keywords : Lake Bulilin, physicochemical quality of waters , fish culture
Efisiensi pakan bertepung kijing Taiwan (Anodonta woodiana) bagi pertumbuhan ikan mas (Cyprinus caprio L.)
Authors: Mangkapa Arliani , Lumenta Cyska , Mokolensang Jeffrie F. 
Published: July 2019

The objectives of research were to determine the effect of different composition of Taiwanese mussel powder-supplemented feed on absolute growth, daily growth, relative growth, feed efficiency and food conversion ratio for carp fingerling; and to determine the best composition of Taiwanese mussel powder-supplemented feed that gave the best response on carp fingerling. The research was conducted at Laboratory of Aquaculture Technology by means of 15 aquaria with a density of 10 fishes (3-5 cm in length) per aquarium. The research implemented Complete Randomized Design with five treatments, each with three replications. The treatments included A= 0, B= 10, C= 20, D= 30, and E= 40% Taiwanese mussel carcass powder. The fish were fed three times a day at 6% of body weight. Research result showed the best absolute, daily, and relative growth, feed efficiency and food conversion ratio was observed at treatment E. It was concluded that feed supplemented with 40% of Taiwanese mussel carcass powder demonstrated the best response on and growth, feed efficiency and food conversion ratio.Keywords: Taiwanese mussel powder, growth, feed efficiency, feed conversion ratio
Telaah morfometrik Pinctada margaritifera untuk pengembangan usaha budidaya
Authors: Sumtaki Karel , Kalesaran Ockstan J. J. , Lumenta Cyska 
Published: July 2019

This study aimed to analyze the size of shell length, shell width and total weight of Pinctada margaritifera shells, and water quality parameters for the aquaculture development. Morphometric measurements include: shell length (PC), and shell width (LC), shell weight (BT). The results showed that PC size 8 - 11.99 cm, LC 8 - 9.99 cm and BT 80 - 99.99 gram dominate the Arakan waters while PC size 6 - 9.99 cm, LC 6 - 7.99 cm and BT 60 - 79.99 gram dominate the Bahoi waters. The results of water quality measurements in both locations are Bahoi waters, namely: 29-32oC, DO 7-8,5 mg/l, pH 7,8-7,9, salinity, 28-32 ppt, 4,5- 7 meters, 11 cm/sec. While in Arakan waters, the temperature was 30-30,8oC, DO 6,3-6,7 mg/l, pH 7,6-7,7 salinity 30 ppt, brightness 4-5 meter, current velocity 4,5 cm / second. Both locations were feasible for the development of pearl aquacultureKeywords: Morphometric, Pinctada margaritifera, Aquaculture
Tingkat keberhasilan hidup teripang gamat lumpur, Stichopus hermanni, hasil dari transverse fission
Authors: Tatalede Putri A. , Salindeho Indra R.N. 
Published: July 2019

The aim of the experiment was to find out the survival rate of the sea cucumber (Stichopus hermanni) seeds generated from transverse-fission method, and cultured in the waters of Talengen gulf, Sangihe Islands Region. Twenty five specimens of sea cucumber were collected around the waters of Talengen gulf and Pananuareng bay, the Region of Sangihe Islands. The specimens were transported by boat to the field-research area of Nusa Utara Polytechnic, as the site of the experiment. The specimens were kept individually in 25 plastic mesh cages, where each cage measured 40cmx40cmx40cm. The individual body length of the specimens was measured and then was transversely cut at the middle of the body antero-posteriorly. The procedure was conducted underwater to prevent expelling of the visceral organs. 25 individuals were applied transverse-fission, hence 50 new individuals were generated, which were composed of 25 Anterior individuals (A) and 25 Posterior-individuals (P). After transverse fission, the Anterior- individuals (A) and Posterior-individuals (P), generated from the same individual were put back to their previous cage. The new individuals were cautiously controlled, and at the interval of 6 hours observation on the sealing process of the open wound and the regenerating process were carried out. The result showed that the survival rate of the sea cucumbers generated from transverse-fission method, was as high as 70.83%. The Posterior-individuals (P) had higher survival rate (75.66%) than Anterior-individuals (66%). The result also showed that A and P individuals generated from larger individuals had lower survival rate than those from smaller individuals. Small individuals sizing 6-14cm had highest survival rate, which was 100%, while larger individuals sizing 14-22cm and 22-30cm had lower survival rate which were 85.5% and 27% respectively. The sealing of the open wounded took averagely 4 days, while the process of the regeneration took around 4 weeks. Keywords: sea-cucumber, fission, survival-rate
Konservasi penyu di Pulau Talise, Gangga dan Bangka Kabupaten Minahasa Utara
Authors: Arunde Preti , Boneka Farnis B. , Wagey Billy Th. , Mamangkey Gustaf , Manembu Indri , Kambey Alex 
Published: July 2019

Generally, this study was intended to examine the problems or implementation of turtle conservation in Talise, Gangga and Bangka Islands and specifically with a number of objectives to: know the introduction of sea turtle, to know sea turtle fishing and turtle exploitation, to know the knowledge of the people about turtle as a protected animal. Survey results on Talise Island, Gangga and Bangka showed that people who had seen turtles directly: Talise Island 94%, Gangga 58%, and Bangka 92%. Local residents of Talise, Gangga and Bangka Islands know well the turtles even see directly in their habitat and spawning time. In Talise, Gangga and Bangka Islands, turtles are still commonly caught, traded and consumed by local people. People's awareness about turtles as protected animals is lacking. Keywords: Turtle, Talise Island, Gangga and Bangka
Pemanfaatan bungkil kelapa fermentasi dalam pada ikan nila (Oreochromis niloticus)
Authors: Horopu Meyriska C. , Sampekalo Julius , Lantu Sartje 
Published: July 2019

The purpose of this study was to determine the concentration of the use of the best fermented coconut pulp in feed on the growth of tilapia. The research used 12 nets measuring 1x1 m placed in a concrete pond measuring 3.5 x 5 cm. The treatments were A (without fermented coconut pulp), B (10% fermented coconut pulp), C (20% fermented coconut pulp), and D (30% fermented coconut pulp). The experimental method used was a completely randomized design with 4 treatments and 3 repetitions. Data collected were absolute growth, daily growth, relative growth, and feed efficiency. The results of the variance analysis showed an influence in the growth of tilapia size 5-8 cm. The best growth and feed efficiency value occurred in treatment D Thus the use of 30% fermented coconut pulp in fish food could improve the growth of tilapia.Key words : fermented coconut pulp, tilapia, growth feed efficiency
Utilization of life feed Alona sp., Boiled Egg Yolk and Commercial Feed Toward Survival Rate of Betta Fish Larvae
Authors: Kaseger Mikraim J. , Pangkey Henneke , Kusen Diane J. , Manoppo Henky , Mingkid Winda M. , Bataragoa Nego E. 
Published: July 2019

The purpose of this study was to find out the survival rates of betta fish larvae (cupang) that were given life feed Alona sp., boiled egg yolk and commercial feed for 21 days. Data analysis was performed by one-way ANOVA, and continued with BNJ (Tukey) test. The result of the survival rate is as follow treatment with life feed Alona sp. 56%, treatment with boiled egg yolk 26%, and treatment with commercial feed 0%. The results of statistical tests show there are significant differences. Significant value p <.0002 (<.05). Water quality parameter measured during the study was temperature of 26 ºC.Keywords: betta fish larvae, life feed, Alona sp., survival rateABSTRAKTujuan penelitian ini adalah untuk mendapatkan laju kelangsungan hidup larva ikan betta (cupang) yang dibeerikan pakan alami Alona sp., rebusan kuning telur dan pakan komersil selama 21 hari. Analisis data dilakukan dengan ANOVA one way, dan dilanjutkan dengan uji BNJ (Tukey). Hasil laju kelangsungan hidup adalah sebagai berikut, perlakuan dengan pakan alami Alona sp. 56%, perlakuan dengan rebusan kuning telur 26%, dan perlakuan dengan pakan komersil 0%. Hasil uji statistik menunjukan adanya perbedaan yang nyata. Nilai signifikan p <.0002 (<.05). Parameter kualitas air yang diukur selama penelitian adalah suhu 26ºC.Keywords: larva ikan betta, pakan alami, Alona sp., kelangsungan hidup
The biodiversity of macroalgae in the coastal waters of Kora-Kora, East Lembean Sub-District, Minahasa Regency
Authors: Kepel Rene Ch. , Mantiri Desy M. H. 
Published: July 2019

This study was carried out in coastal waters of Kora-Kora, East Lembean Sub-District, Minahasa Regency with an objective of knowing the taxa composition of macroalgae through morphological studies. Data collection used exploring survey. Results found 10 species that consisted 1 species of red algae (Rhodophyta), 6 species of brown algae (Phaeophyta), and 3 species of green algae (Chlorophyta).Keyword: Macroalgae, Kora-Kora. ABSTRAKPenelitian ini dilakukan di perairan pesisir Kora-Kora, Kecamatan Lembean Timur, Kabupaten Minahasa dengan tujuan untuk mengetahui komposisi taksa makroalga melalui pendekatan morfologi. Pengambilan data dilakukan dengan menggunakan metode survei jelajah. Hasil penelitian menemukan 10 spesies, yang terdiri dari 1 spesies alga merah (Rhodophyta), 6 spesies alga cokelat (Phaeophyta)) dan 3 spesies alga hijau (Chlorophyta).Kata Kunci: makroalga, Kora-Kora.
Predicting the outcomes and costs for a cohort of 426 patients with Chronic Obstructive Pulmonary Disease (COPD) in Bulgaria through a Markov model
Authors: Tachkov Konstantin , Mitov Konstantin , Savova Alexandra 
Published: July 2019

The aim was to estimate the economic burden, as well as rate of progression of COPD for a cohort of 426 patients for a 10-year period. A total of 426 patients from 19 regions with Chronic Obstructive Pulmonary Disease were enrolled in a representative, ambispective, national study for Bulgaria. Patients were recorded on disease stage, occupation, smoking habits and medication. Cost of treatment was calculated and a 10-year one-way Markov model was used by employing transition probabilities and quality of life data from available literature. Costs and outcomes were recorded and a cost-effectiveness acceptability curve (CEAC) was established.
Out of all patients included in the study 288 were non-smokers with a mortality percentage after 10 years of 42.7%. Smokers showed faster transition rate with 139 of them transitioning to more severe states and mortality was 54.6%. The incremental cost-effectiveness ratio (ICER) was 863.75 BGN. Patients who smoked had a lower quality of life – cumulatively for the 10-year period QALY = 623.51 for smokers vs. 1557.51 for non-smokers, but also lower costs for treatment (538 007.52 BGN vs. 1 344 757.95 BGN) accounted by the high transition rate and mortality amongst that group. Relatively few non-smokers transitioned from a less severe to a more severe state (6%), while most of the very severe stage patients experienced a lethal outcome within 10 years (81%).
Despite the higher costs associated with the disease, the Quality of Life and lower transition probability would enable patients to live a normal life. The ICER was well below the WHO threshold.
Teacher’s digital competence among final year Pedagogy students in Chile and Uruguay
Authors: Silva Juan , Usart Mireia , Lázaro-Cantabrana José-Luis 
Published: July 2019

The development of Teacher’s Digital Competence (TDC) should start in initial teacher training, and continue throughout the following years of practice. All this with the purpose of using Digital Technologies (DT) to improve teaching and professional development. This paper presents a study focused on the diagnosis of TDC among ITT senior students from Chile and Uruguay. A quantitative methodology, with a representative sample of 568 students (N=273 from Chile and N=295 from Uruguay) was designed and implemented. TDC was also studied and discussed in relation to gender and educational level. Results showed a mostly basic level for the four dimensions of the TDC in the sample. Regarding the relationship between the variables and the TDC, the Planning, organization and management of spaces and technological resources’ dimension is the only one showing significant differences. In particular, male students achieved a higher TDC level compared with female students. Furthermore, the proportion of Primary Education students with a low TDC level was significantly higher than other students. In conclusion, it is necessary, for teacher training institutions in Chile and Uruguay, to implement policies at different moments and in different areas of the ITT process in order to improve the development of the TDC.
El desarrollo de la Competencia Digital Docente (CDD) debe iniciarse en la etapa de formación inicial docente (FID) y extenderse durante los años de ejercicio. Todo ello con el propósito de usar las Tecnologías Digitales (TD) de manera que permitan enriquecer la docencia y el propio desarrollo profesional. El presente artículo expone los resultados de un trabajo con estudiantes de último año de FID de Chile y Uruguay para determinar su nivel de CDD. Para realizar el estudio se utilizó una metodología cuantitativa, con una muestra representativa estratificada de 568 estudiantes (n=273, Chile; n=295, Uruguay). Los datos se analizaron en relación al género y nivel educativo. Los resultados mostraron, para las cuatro dimensiones de la CDD, un desarrollo básico. Respecto a la relación entre las variables estudiadas y la CDD, destaca el porcentaje de hombres que alcanza competencias digitales avanzadas para la dimensión de Planificación, organización y gestión de espacios y recursos tecnológicos. También para esta dimensión la proporción de estudiantes de Educación Primaria con un desarrollo de CDD básico es significativamente superior al del resto de estudiantes. Como conclusión destacamos que es necesario que las instituciones formadoras de docentes implementen políticas a diferentes plazos y en diversos ámbitos de la FID como el sistema educativo, la formación y la docencia, para mejorar el nivel de desarrollo de la CDD.