scholarly journals MINI WHEEL APPLICATION ON HOUSEHOLD SCALE AQUACULTURE OF GIANT FRESHWATER PRAWNS (Macrobranchium rosenbergii)

2021 ◽  
Vol 6 (2) ◽  
pp. 34-40
Author(s):  
Indra Kristiana ◽  
Igfirlii Amatullah ◽  
Atiek Pietoyo ◽  
DH Guntur Prabowo ◽  
Dinno Sudinno

Giant freshwater prawns, one of the freshwater aquaculture commodities which has high economic value and has wide market opportunity. Dissolved oxygen on giant freshwater prawn aquaculture is the one of necessary part on a prawn weight gain. Availability of dissolved oxygen can be increased by optimalization on mini wheel and blower use. Mini Wheel is a part of aquaculture technology application, especially on household scale aquaculture of giant freshwater prawn (M. rosenbergii). This assembly used recycle material which can still be used. This mini wheel was modified by 3 treatments, that A (blower without mini wheel pond treatment); B (one-propeller mini wheel pond treatment); C (two-propeller mini wheel pond treatment). This research used quantitative method and every treatment should has three repetitions. Aquaculture a household scale by applying mini wheel designed to find out its effect on water quality and growth of giant freshwater prawn (M. rosenbergii), with parameter ABW (Average Body Weight), ADG (Average Daily Growth), FCR (Feed Convertion Ratio) and SR (Survival Rate). This research showed that there is a significant difference between two-propeller mini wheel pond treatment, one-propeller mini wheel pond treatment and blower without mini wheel pond treatment. The optimum Dissolved Oxygen value on two-propeller mini wheel pond treatment was about 9 mg/L (morning and afternoon testing), Pond temperature on range 280C, and also pH has stability on 7. The best growth was found in two-propeller mini wheel pond treatment with Survival Rate (SR) 93%, Average Body Weight (ABW) 10 g/prawn, Average Daily Growth (ADG) 0.11 g/prawn, and Feed Convertion Ratio (FCR) 1.5.

PELAGICUS ◽  
2021 ◽  
Vol 2 (1) ◽  
pp. 23
Author(s):  
Fernando Jongguran Simanjuntak ◽  
Kukuh Nirmala ◽  
Ernik Yuliana

ABSTRAKSalah satu komoditas ikan air tawar yang menyumbang produksi perikanan terbesar adalah ikan gurame (Osphronemus goramy) yang mempunyai nilai ekonomis tinggi. Pembenihan ikan gurame adalah hal yang penting untuk menjaga keberlanjutan budidaya ikan gurame. Tujuan penelitian adalah menganalisis pengaruh sistem resirkulasi terhadap kualitas air, kelulushidupan benih ikan gurame, dan kelayakan usaha.  Pembenihan ikan gurame pada penelitian ini menggunakan tiga wadah budidaya, yaitu: 1) akuarium dengan sistem resirkulasi (Wadah I); 2) kolam beton sistem air mengalir (Wadah II);  kolam beton sistem pergantian air 30% secara berkala (Wadah III). Parameter yang diamati meliputi kualitas air dan angka kelulushidupan benih ikan gurame, serta kelayakan usahanya. Hasil penelitian menunjukkan bahwa pemeliharaan benih ikan gurame pada akuarium dengan sistem resirkulasi mempunyai kualitas air (suhu, oksigen terlarut, dan amoniak) yang terbaik, angka kelulushidupan (average daily growth, average body weight, specific growth ratio, survival rate) yang terbaik, dan membutuhkan modal terbesar pada investasi awal tetapi menghasilkan keuntungan yang lebih tinggi. Pembenihan ikan gurame dengan sistem resirkulasi direkomendasikan karena meningkatkan kualitas air, menghasilkan tingkat kelulushidupan yang tinggi dan menghasilkan keuntungan yang lebih tinggi.ABSTRACTOne of the freshwater fish commodities that contributes to the largest fisheries production is giant gourami (Osphronemus goramy) which has high economic value. Giant gourami hatchling is important to maintain the sustainability of its cultivation. This study aims to analyze the effect of recirculation system to water quality, survival rates, and feasibility of giant gourami hatchling business. Giant gourami hatchling in this study uses three cultivation containers, namely: 1) an aquarium with a recirculation system (Container I); 2) concrete pond with flowing water system (Container II); concrete pond with 30% water change system periodically (Container III). The parameters observed included water quality and survival rate of giant gourami hatchling, as well as the feasibility of their business. The results indicated that the giant gourami hatchling in an aquarium with a recirculation system had the best water quality (temperature, dissolved oxygen, and ammonia), had the best survival rate (average daily growth, average body weight, specific growth ratio, survival rate), and requires the largest amount of capital in the initial investment but yields more returns. Giant gouramy hatchery with a recirculation system is recommended due to improves water quality, results in a high survival rate and generates higher profits.


Molekul ◽  
2016 ◽  
Vol 11 (2) ◽  
pp. 190
Author(s):  
Untung Susilo ◽  
Purnama Sukardi ◽  
Ridwan Affandi

Alkaline proteases, amylase and cellulase activities of digestive organ of yellow rasbora, Rasbora lateristriata Blkr., was evaluated with four different feeding levels of 0.34g protein+0.03g fiber, 1.01g protein+0.10g fiber, 1.69g protein+0.16g fiber and 2.36g protein+0.23g fiber/day/100 g fish biomass. A total of 280 fish with average body weight of 0.71±0.06g were used in this study. The results showed that the difference in the feeding levels resulted in a significant difference in trypsin and chymotrypsin  activities (P <. 05), but not for amylase and cellulase activities (P > .05). In conclusion, protein digestion capacity increased, but not to the digestion of starch and fiber in response to different feeding levels and the optimal feeding level for yellow rasbora was 1,01g protein+0,10g fiber/day/100 g fish biomass.


2019 ◽  
Vol 3 (1) ◽  
Author(s):  
Rizkiana Amalia ◽  
Sri Hastuti ◽  
Agung Sudaryono

Catfish (Pangasius sp.) is a dominant consumption fish and it is targeted that production will be increase every year. Catfish have a low feed efficiency value which is causes the growth of catfish to be less optimal, so it is necessary to add ingredient into the diets so that the fish are interested in eating the diets given. The use of earthworm meal as an attractant was expected to increase of feed consumption, feed efficiency and growth of catfish. This experiment aimed to study the effect of dietary earthworm meal as an attractant on feed consumption level, feed efficiency and growth of catfish (Pangasius sp.). The catfish used with an initial average body weight of 6,78±0,68 g/fish. The fishes were cultured in the aquarium for 42 days with the stocking dencity of 1 fish/2L. The experimental method used was completely randomize design (RCD) with 4 treatments and 3 replicates.  The treatments were addition of earthworm meal (Lumbricus sp.) as an attractant with a dose of 0%, 5%, 10% and 15% in the diets. The data showed that  the use of earthworm meal (Lumbricus sp.) inclusion in the diets resulted in significant effects (P <0,05) on feed consumption  (159,73 g), FE (81.06%), PER (2,31%), G (9,76 g) and SGR (1,97%/day) but not significant effect (P>0,05) on survival rate (84.44-93,33%). The best food preference test in treatment C dose 10% of earthworm meal with percentage 44% fish approaching diets. The water quality parameters during this study varied between suitable range for the catfish (Pangasius sp.) life, i.e temperatures 27,70-30,900C; pH 7,00; DO 5,37-5,52 mg/L and NH3 0,0036-0,0095 mg/L. It was concluded  that catfish (Pangasius sp.) fed with the diet containing 10% attractants of earthworm meal resulted in better feed consumption, feed efficiency and growth. 


2019 ◽  
Vol 64 (No. 2) ◽  
pp. 78-88 ◽  
Author(s):  
S. Shivaramu ◽  
D.T. Vuong ◽  
M. Havelka ◽  
H. Šachlová ◽  
I. Lebeda ◽  
...  

Polyploidy in sturgeons makes them highly susceptible to interspecific hybridization, and these interspecific hybrids have been described in nature as well as in captivity. Nevertheless, the fitness-related traits between sturgeon hybrids and pure species have been poorly compared as yet. In the present study, we compared the reproductive parameters such as fertilization rate and hatching rate, growth traits and genetic polymorphism in the artificially produced hybrids of the Siberian sturgeon (Acipenser baerii) and Russian sturgeon (A. gueldenstaedtii) with their purebreds. Fertilization and hatching rates were found to be significantly higher in Siberian sturgeon (♀) × Russian sturgeon (♂) hybrid group compared to purebreds. The highest cumulative survival rate was determined in purebred groups until 151 days post-hatch (dph); however, this trend changed and Russian sturgeon purebred showed the lowest cumulative survival rate (0.21%) by 913 dph. Similarly, the lowest average body weight was recorded in Russian sturgeon purebred group (264 g). In contrast, the highest average body weight was recorded in Russian sturgeon (♀) × Siberian sturgeon (♂) hybrids (435.3 g) and the highest cumulative survival rate was recorded in Siberian sturgeon (♀) × Russian sturgeon (♂) hybrids (12.32%) by 913 dph. No significant differences were found at heterozygosity levels among studied crosses. Our results showed that studied sturgeon hybrids had higher survival and growth if compared with the purebreds under provided hatchery conditions.


2016 ◽  
Vol 3 (3) ◽  
pp. 387-394
Author(s):  
Mousumi Khatun ◽  
Mohammad Mahir Uddin ◽  
Md Azizul Haque ◽  
Mohammad Saidur Rhaman

Experiments were conducted to study the feeding, growth and chemical control of hog-plum beetle (Podontia 14-punctata) in the laboratory and in the field. It was found that larval leaf consumption gradually increased with the increase of age of larva. Mean leaf consumption per larva was 0.28g, 0.86g and 1.70g after 24, 72 and 144 hrs, respectively. Growth pattern of larva was depended on the rate of leaf consumption. The average body weight of larvae was increased with time and per larva was recorded as 0.06g, 0.19g and 0.45g after 24, 72 and 144 hrs of leaf consumption. Daily leaf consumption was higher in adults than larvae. Mean leaf consumption per adult was 0.24g, 0.91g and 1.87g after 24, 72 and 144 hrs, respectively. Mortality of larvae and adults against four chemical insecticides viz. Altima 40WG, Belt 24WG, Libsen 45SC and Limper 10EC were observed both in the laboratory and field. All the treatments had a significant effect on mortality percentage of larva and adult in comparison to control. The highest mortality percentage of the larva (86.67) and adult (80.00) were observed in the case of Limper 10EC at 72 hrs after spraying. However, there was no significant difference observed in efficacy among Limper 10EC, Belt 24WG and Libsen 45SC. In field, percentage of leaf protection over control after 1st spray was the highest (37.95) in Limper 10EC and the lowest (20.86) in Altima 40WG treated plants. The results of laboratory and field trials revealed that Limper 10EC might be recommended for effective control of P. 14-punctata.Res. Agric., Livest. Fish.3(3): 387-394, December 2016


1969 ◽  
Vol 62 (4) ◽  
pp. 311-320
Author(s):  
Ismael Carlo ◽  
Jaime Vélez

Two trials were performed at the Corozal Substation with Holstein heifers subjected to one of five feeding regimes to determine possible effects of feeding practices on development of heifers bred to calve at 28 to 29 months with minimum body weight of 472.5 kg. Pasture supplemented with a bulky feed at either 1.80, 1.35, or 1.35 to 2.70 kg/head/day when pastures were poor did not result in a significant difference in net gains of the animals at 24 mo of age, age at calving, or services per conception when compared to pasture alone. A significant difference was determined in net gains of the heifers in the first trial when consuming 1.8 kg of ground corn/head/day through the duration of the experiment, as compared to other groups in the first trial. The former calved about 2 mo earlier than heifers in other groups. However, the use of any kind of supplement to grazing increases so much the cost of production that if future milk production is not sufficiently increased, which was not measured in those trials, use of the supplement may not be justified. All feeding regimes used in both trials, including grazing alone, showed that heifers can be brought to calving at an average age of 29 to 30 months with an average body weight above 450 kg.


2007 ◽  
Vol 2 (1) ◽  
pp. 1
Author(s):  
M. Sakdiah ◽  
M. Zairin Junior ◽  
O. Carman

<p class="MsoNormal" style="text-align: justify;"><span style="font-size: 11pt;" lang="in" xml:lang="in">ABSTRACT<br /></span></p><p class="MsoNormal" style="text-align: justify;"><span style="font-size: 11pt;" lang="in" xml:lang="in">The objectives of this research were carried out to determine exposure time of giant gouramy larvae in triiodothyronine (T<sub>3</sub>) hormone solution on development, growth and survival rate. One-day old larvae were immersed in 0,1 ppm T<sub>3</sub> hormone solution for 0, 2, 4, 6, 8, 16, and 24 hours. Results showed that treated larvae developed faster than control larvae. At first, second, fifth, sixth and seventh week, larvae that immersed in T<sub>3</sub> hormon solution had total length longer than that of control. Treated larvae had average body weight heavier than that of control until seven weeks of experiment. Immersion of larvae for 16 hours gave the best result in term of length and average body weight. The best survival rate of larvae were obtained from 8 hours treatment.</span></p><p class="MsoNormal" style="text-align: justify;"><span style="font-size: 11pt;" lang="in" xml:lang="in">Key words :<span>  </span>Giant gouramy larvae, triiodothyronine, exposure time, growth and survival rate.<em><span>   </span></em></span></p><p class="MsoNormal"><span style="font-size: 11pt;" lang="in" xml:lang="in"> </span></p><h3 style="text-align: center; line-height: normal;"><span style="font-size: 11pt;" lang="in" xml:lang="in">ABSTRAK</span></h3><p class="MsoNormal" style="text-align: justify;"><span style="font-size: 11pt;" lang="in" xml:lang="in">Penelitian ini dilakukan untuk menentukan lama perendaman di dalam larutan hormon triiodotironin (T<sub>3</sub>) terhadap perkembangan, pertumbuhan dan kelangsungan hidup larva ikan gurame. Larva ikan yang berumur satu hari direndam dalam larutan hormon triiodotironin 0,1 ppm dengan lama perendaman<span>  </span>0, 2, 4, 6, 8, 16, dan 24 jam. Perkembangan larva yang diberi perlakuan T<sub>3</sub> lebih cepat daripada perkembangan larva kontrol. Larva yang direndam dalam larutan hormon T<sub>3</sub> lebih panjang daripada kontrol pada minggu ke-5, 6 dan 7. Bobot rata-rata larva perlakuan lebih besar daripada bobot rata-rata kontrol dari minggu awal sampai minggu ke-7. Perendaman larva selama 16 jam memberikan hasil terbaik dari segi panjang total dan bobot rata-rata. Nilai kelangsungan hidup terbaik di akhir penelitian diperoleh pada perendaman selama 8 jam. </span></p><p class="MsoBodyText2" style="line-height: normal;"><span style="font-size: 11pt;" lang="in" xml:lang="in">Kata kunci</span><span style="font-size: 11pt;" lang="in" xml:lang="in">: Larva gurame, triiodotironin, lama perendaman, pertumbuhan dan kelangsungan hidup.</span></p>


2019 ◽  
Vol 2 (2) ◽  
pp. 387-396
Author(s):  
Le Van Binh ◽  
Ngo Thi Thu Thao

The present study was conducted to evaluate the effects of different dietary calcium levels on the growth and survival rate of black apple snails (Pila polita) in the grow-out period. There were 3 replicates for each treatment and the snails were fed with five calcium levels (% dry matter) in diet as follows: 1% (Ca1), 3% (Ca3), 5% (Ca5), 7% (Ca7), and 9% (Ca9). Two-month-old juveniles with an average initial body weight of 2.13g, shell height of 21.71mm, and shell width of 16.35mm were reared in tarpaulin tanks (1 × 1 × 1m; 40cm water depth) at the density of 100 individuals per tank. After 4 months of the rearing period, the average body weight, shell height, and shell width of the snails reached the highest values in the Ca5 treatment (28.43 g, 54.97 mm, and 40.09mm, respectively) and these values were significantly different compared to the remaining calcium contents (Ca1, Ca3, Ca7, and Ca9). The survival rate of the snails in Ca3 (75.7%) was higher than in Ca1 and Ca7 (74.7%), Ca5 (73.7%), and Ca9 (71.7%). However, the survival rate was not significantly different among the treatments. Snails in Ca5 obtained the highest productivity (2.88 kg m-2) and this value was significantly different from Ca1 (2.55 kg m-2) and Ca9 (2.35 kg m-2). The results of this study showed that the growth rate and productivity of black apple snails were highest when they consumed a diet containing 5% calcium. The optimum requirement of calcium for the black apple snails in the grow-out period was 4.51%.


2011 ◽  
Vol 54 (4) ◽  
pp. 406-418 ◽  
Author(s):  
S. Metzger ◽  
M. Odermatt ◽  
A. Szabó ◽  
I. Radnai ◽  
E. Biró-Németh ◽  
...  

Abstract. A total of 238 Pannon White growing rabbits were slaughtered at 74, 84 and 94 days of age, at an average body weight of 2.53, 2.84 and 3.15 kg, respectively. Within each age group five body weight categories were formed in such a way that the weight difference between two neighbouring groups was equally 0.3 kg. The design of the experiment permitted the separate examination of the effects exerted by age and body weight on carcass traits and on meat chemical composition of the left hind leg (HL) and that of m. Longissimus dorsi (MLD). Dressing out percentage significantly increased with the increase of age in all body weight categories, as well as with the increase of body weight. The effect of age on the ratio of the fore part of the carcass depended on the body weight: significant difference was found in lower body weight categories. The ratio of the intermediate part of the carcass was not affected by age but it increased in rabbits of higher body weight. The ratio of the hind part of the carcass increased in older animals, while it decreased in rabbits of higher body weight, and this decrease was higher in older rabbits. The ratio of the perirenal fat to reference carcass significantly decreased with age in all body weight categories, but it significantly increased in rabbits of higher body weight. With the advancement of age the moisture content of the HL increased, while that of the MLD did not change. With the increase of body weight, moisture content decreased in both the HL and in the MLD. The fat content of both HL and MLD decreased in older animals, while it increased in rabbits of higher body weight.


2021 ◽  
Vol 7 (1) ◽  
pp. 33-39
Author(s):  
Md Kamrul Hasan ◽  
Md Anisur Rahman ◽  
Hasnat Mamun ◽  
Md Nazmul Hossain ◽  
Md Mukthar Mia

To know the production performances of different commercial layer strains in Bangladesh, total 18,420 birds of ISA Brown, 14,790 birds of Novogen-Brown and 27,400 birds of Shavar-579 Brown were studied from 30 commercial layer farms (10 farms for each strain), which were randomly selected from the 7 different districts of Bangladesh by farm visit via a well structured questionnaire. All birds were reared in open-sided shed in cage system. The hen day egg production percentage (HDEP%), average body weight and average feed intake per day of three different strains were studied. The HDEP% of ISA Brown, Novogen-Brown and Shaver-579 Brown were 90.79±0.44%, 78.89±1.84% and 79.13±1.41% respectively, average body weight were 1877±26.4 gm, 1885±26.9 gm and 1815.5±43.9 gm respectively, average feed intake per day were 111±1.88 gm, 109.8±1.86 gm and 112.5±1.35 gm respectively. The HDEP% was higher in ISA Brown, however there were no significant difference among strains for average body weight and average feed intake per day. Finally, it is recommended that ISA Brown is more adaptable and profitable in Bangladesh than that of other strains. Further scientific study is needed to see the production performance of different commercial layer strains in farm trail with same environmental condition. Asian J. Med. Biol. Res. March 2021, 7(1): 33-39


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