1,720,977 research outputs found
Kajian kualitas fisika kimia air di Danau Limboto Kabupaten Gorontalo Provinsi Gorontalo
Full text linkPenelitian ini bertujuan untuk mengkaji parameter kualitas air di perairan Danau Limboto, meliputi aspek fisika dan kimiaperairan. Penelitian dilakukan dengan metode survei dari bulan Maret sampai April 2012 di tiga stasiun penelitianyaitu Stasiun I, ditumbuhi enceng gondok; Stasiun II, wilayah muara atau outlet; dan Stasiun III, perairan dengan aktivitaskeramba jaring apung, KJA. Parameter fisika-kimia air yang diukur meliputi suhu, kecerahan, pH air, oksigen terlarut(DO), dan fosfat (PO4-P). Hasil penelitian menunjukkan bahwa suhu perairan Danau Limboto di setiap stasiun berkisar27,8529,95 0C; kecerahan 30,0051,00 cm; pH 6,758,7; oksigen terlarut 5,968,06 mg L-1; dan fosfat 20,9033,45 ppm. Berdasarkan parameter fisika kimia perairan, kondisi lingkungan perairan Danau Limboto masih layak danmendukung kehidupan biota perairan, kecuali konsentrasi fosfat yang telah melebihi kebutuhan normal organisme.Kata kunci: Danau Limboto, kualitas air, fosfa
Effect of curcuma (Curcuma xanthorriza roxb) immersion on the survival of tilapia (Oreochromis niloticus)
Full text linkThis study aims to determine the duration of soaking of curcuma (Curcuma xanthorriza roxb) powder on the survival of tilapia (Oreochromis niloticus) seeds infected with Aeromonas hydrophilla bacteria. This study was an experiment with a Completely Randomized Design (CRD) using analysis of variance (ANOVA) with four treatments and three repetitions. The treatments used were curcuma powder immersion, which were treatments A (3 minutes), B (5 minutes), C (7 minutes) and D (Control). The results showed that different soaking time using ginger powder did not affect the survival of tilapia seeds. The best treatment is treatment A (3 minutes) with a survival rate of 86.67%
Increasing Population of Daphnia Magna Natural Feed Using the Probiotic Effective Microorganisms-4 (EM4)
Full text linkThis study aims to determine the effectiveness dose of EM4 (Effective Microorganism-4) pro-biotic to increase the population of Daphnia magna natural feed. This study used a completely randomized design (CRD) with three treatments and three replications. The treatment in this study used pro-biotic EM4 with a dose of 1 ml for treatment A, a dose of 3 ml for treatment B. 5 ml dose for treatment C and a dose of 7 ml for treatment D. The highest population growth rate was found in treatment A dose 1 ml. Followed by treatment B with a dose of 3 ml, treatment C at a dose of 5 ml and the lowest at treatment D at a dose of 7 ml with values of 0.29, 0.09, 0.05 and 0.03 respectively. ANOVA analysis showed that the provision of pro-biotic EM4 had an effect on the population growth rate of Daphnia magna. The data from the further test of the least significant difference (LSD) showed that treatment A was significantly different from treatment B, C and D. Treatment B, C and D were not significantly different. The results of water quality measurements for temperatures ranging from 26-29 ° C, pH ranges from 5-6 and Dissolved Oxygen (DO) ranges from 4.4-4.9 mg / liter. This condition is the optimum range in Daphnia magna culture.
Keywords: Daphnia magna; EM4 (Effective Microorganisme-4); population increas
Effect of Feed Supplement with Different Dosage on the Growth and Survival of Siamese Catfish Seedling
Full text linkThis study aims to determine the effect of addition of VITERNA Plus with different doses in feed on growth and survival seed Siamese catfish (Pangasius hypophthalmus). This research using the experimental method, with a completely randomized design (CRD) and 4 treatment 3 replicates. Results show that the highest growth in length and weight indicated in treatment D of 1.86 cm and 0.72 grams, C 1, 65 cm and 0.62 grams, and 1.23 cm and 0.42 grams and the lowest growth, namely in treatment A 0.67 cm and 0.25 gram. Survival of Siamese catfish seed during treatment A showed 66.67 %, amounting to 76.19% of treatment B, treatment C amounting to 80.95% and amounted to 88.10% in treatment D. Results of analysis of variance in length and weight of the seed of Siamese catfish show that different doses VITERNA Plus have very real effect with the value of F Calculation of the length and weight are 65.57 and 105.46, while the value of F table (0.01) is 7.59.
Keywords: feed; supplement; Siam Catfish; Pangasius hypophthalmus; seed; survival; dosage, growt
PeningkatanPopulasiPakanAlami Daphnia Magna MenggunakanProbiotik EM4 (Effective Microorganisme-4) di BalaiBenihIkan (BBI) Andalas Kota Gorontalo
Full text linkThis study aims to determine the effective dose and level of effectiveness of the probiotic EM4 (Effective Microorganism-4) on increasing the natural feed population of Daphnia magna. This study used a completely randomized design (CRD) with three treatments and three replications. The treatment in this study used probiotic EM4 with a dose of 1 ml for treatment A, a dose of 3 ml for treatment B, a dose of 5ml for treatment C and a dose of 7ml for treatment D. The experimental data were analyzed by ANOVA and further tested with the BNT test. The highest population growth rate was found in treatment A with a dose of 1 ml. Followed by treatment B with a dose of 3 ml, treatment C with a dose of 5 ml and the lowest in treatment D with a dose of 7 ml with values of 0.29, 0.09, 0.05 and 0.03 respectively. Giving probiotic EM4 affects the population growth rate of Daphnia magna. Treatment A was significantly different from treatment B, C and D. Treatment B, C and D were not significantly different. The results of water quality measurements for temperatures ranging from 26–29°C, pH ranging from 5-6 and Dissolved Oxygen (DO) ranging from 4.4 to 4.9 mg/liter. These conditions are the optimum range in the culture of Daphnia magna
Perendaman Ekstrak Kunyit terhadap Ikan Nila yang Terinfeksi Bakteri Aeromonas Hydrophila | Soaking in turmeric extract on tilapia infected with Aeromonas Hydrophila bacteria
No full textPenelitian ini bertujuan untuk mengetahui penggunaan ekstrak kunyit (Curcuma domestica) dengan lama perendaman berbeda terhadap kelangsungan hidup ikan nila (Oreochromis niloticus) yang terinfeksi bakteri Aeromonas hydrophila. Penelitian ini menggunakan metode eksperimen dengan Rancangan Acak Lengkap (RAL) 4 perlakuan dan 3 ulangan. Hasil penelitian menunjukan bahwa nilai presentase kelangsungan hidup benih ikan nila pada perlakuan A (25%), B (25%), C (33%) dan D (25%). Hasil analisis sidik ragam (ANOVA) menunjukan bahwa perlakuan pemberian ekstrak kunyit dengan lamaperendaman berbeda terhadap kelangsungan hidup ikan nila yang diinfeksi bakteri Aeromonas hydrophilatidak memberikan pengaruh nyata. Parameter kualitas air selama penelitian masih dalam kondisi normal untuk kehidupan benih ikan nila.
This study aims to determine the use of turmeric extract (Curcuma domestica) with a different immersion time on the survival of tilapia (Oreochromis niloticus) infected with Aeromonas hydrophila bacteria. This study used an experimental method with a Completely Randomized Design (CRD) of 4 treatments and 3 replications. The results showed that the percentage of survival of tilapia seed in treatments A is 25%, B is 25%, C is 33% and D is 25%. Results of analysis of variance (ANOVA) showed that the treatment of turmeric extract with different immersion duration on the survival of tilapia infected by Aeromonas hydrophilic bacteria did not have a real effect. Water quality parameters during the study were still in normal conditions for the life of tilapia seeds.
Katakunci: Ikan nila; ekstrak kunyit; perendaman; kelangsungan hidup; Aeromonas hydrophila; bakteri.
Keywords: Tilapia; turmeric extract; immersion; survival; Aeromonas hydrophila; bacteria
Pemberian Pakan Alami Cacing Sutera pada Benih Ikan Lele Sangkuriang | Natural feeding of silk worms to Sangkuriang catfish seeds
No full textPenelitian ini bertujuan untuk mengetahui pengaruh frekuensi pemberian pakan alami cacing sutera (Tubifex sp) terhadap pertumbuhan benih ikan lele sangkuriang (Clarias sp). Penelitian menggunakan Rancangan Acak Lengkap (RAL) dengan 3 perlakuan dan 3 ulangan. Hasil analisis menunjukkan bahwa terdapat perbedaan nyata (p < 0,05) terhadap pertumbuhan panjang dan berat benih lele sangkuriang. Rata-rata pertumbuhan panjang dan berat tertinggi ditunjukkan pada perlakuan C berturut-turut sebesar 0,023 cm dan 0.011 gr, disusul perlakuan B berturut-turut sebesar 0,011 cm dan 0,007 gr, dan terendah pada perlakuan A berturut-turut sebesar 0,005 cm dan 0,005 gr. Hasil ini menunjukkan bahwa frekuensi pemberian pakan alami cacing sutera sebanyak 4 kali memberikan hasil terbaik terhadap pertumbuhan benih lele sangkuriang.
This study aims to determine the effect of the frequency of natural feeding of silk worms (Tubifex sp) on the growth of sangkuriang catfish (Clarias sp). The study used a completely randomized design (CRD) with 3 treatments and 3 replications. The analysis showed that there was a significant difference (
Pengaruh Pemberian Jenis Pakan Berbeda terhadap Pertumbuhan dan Kelangsungan Hidup Benih Ikan Gurame | Effect of different feeds on the growth and survival of gouramy seeds
No full textPenelitian ini bertujuan untuk mengetahui pengaruh pemberian jenis pakan yang berbeda terhadap pertumbuhan dan kelangsungan hidup benih ikan gurame (Osphronemus gouramy). Penelitian ini menggunakan metode eksperimen. Rancangan yang digunakan adalah Rancangan Acak Lengkap (RAL) dengan 4 perlakuan dan 3 ulangan. Hasil penelitian menunjukkan bahwa pertumbuhan mutlak panjang dan berat tertinggi ditunjukkan pada perlakuan B (F-888) berturut-turut sebesar 1.5 cm dan 1.3 g, disusul perlakuan A (F-999) berturut-turut sebesar 1.3 cm dan 1.1 g, disusul perlakuan C (IL 18 SP+1) berturut-turut sebesar 1 cm dan 0.8 g dan terendah pada perlakuan D (IL 28 K) berturut-turut sebesar 0.8 cm dan 0.6 g. Kelangsungan hidup benih ikan gurame selama penelitian menunjukkan perlakuan A sebesar 72.91% perlakuan B dan C sebesar 75% dan 68.75% sedangkan perlakuan D 77.08%. Hasil penelitian dilanjutkan dengan Uji Beda Nyata Terkecil (BNT) dengan tingkat kepercayaan 99%.
This study aims to determine the effect of different types of feed on the growth and survival of gouramy seeds. This research is using experimental method. The design used was a completely randomized design (CRD) with 4 treatments and 3 replications. The results showed that the absolute highest growth in length and weight was shown in treatment B (F-888) respectively of 1.5 cm and 1.3 g, followed by treatment A (F-999) respectively of 1.3 cm and 1.1 g, followed by treatment C (IL 18 SP + 1) respectively of 1 cm and 0.8 g and the lowest in treatment D (IL 28 K) were 0.8 cm and 0.6 g, respectively. The survival of gouramy seeds during the study showed treatment A was 72.91% treatment B and C were 75% and 68.75% while treatment D was 77.08%. The results of the study continued with the Least Significant Difference Test (LSD) with a confidence level of 99%.
Katakunci: Benih; gurame; Osphronemus gouramy; pakan; pertumbuhan; kelangsungan hidup.
Keywords: Seed; gourame; Osphronemus gouramy; feed; growth; survivality
The Growth of Chlorella sp. Cultivated in Walne Media with Different Intensities of Light
Full text linkThis research was composed to identify the effect of different light intensities on the growth of Chlorella sp, as well as the optimal amount of light to improve said growth. This experimental research employed completely randomized design, with 5 treatments of different light intensities; A (3400 lux), B (4400 lux), C (5400 lux), D (6400 lux) and E (7400 lux) with 4 replications for each treatment. Based on the ANOVA, the findings revealed the different effects of the treatments (
Pengaruh Lama Perendaman Serbuk Temulawak (Curcuma xanthorriza roxb) terhadap Kelangsungan Hidup Benih Ikan Nila (Oreochromis niloticus) yangDiinfeksi Bakteri Aeromonas hydrophylla
Full text linkThis study aims to determine the effect of soaking ginger powder on the survival of tilapia fry infected with Aeromonas hydrophilla bacteria. The design used in this experiment was a completely randomized design (CRD) using analysis of variance (ANOVA) with four treatments and three repetitions. The test animals used were 60 tilapia fish seeds. The treatments used were the duration of immersion of temulawak powder on the survival of tilapia fry, namely treatments A (3 minutes), B (5 minutes), C (7 minutes) and D (Control). The research was carried out for 1 week. The results showed that different soaking times using ginger powder did not affect the survival of tilapia fry infected with Aeromonas hydrophilla bacteria. The best treatment was obtained in treatment A (3 minutes) which resulted in 86.67% survival
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