Relation Between Water Quality and Protein Content of Chironomid Larvae

2014 ◽  
Vol 68 (2) ◽  
pp. 227-230 ◽  
Author(s):  
Susanta Nath
Keyword(s):  
Water Quality ◽  
Protein Content ◽  
Chironomid Larvae

Seasonality in water quality and its influence on the abundance and distribution of phytoplankton and chironomid larvae in Lake Nakuru, Kenya

2008 ◽  
Vol 30 (3) ◽  
pp. 333-338 ◽  
Author(s):  
Samuel Kibichii ◽  
William A. Shivoga ◽  
Mucai Muchiri ◽  
Erick Enanga ◽  
Scott N. Miller
Keyword(s):  
Water Quality ◽  
Lake Nakuru ◽  
Chironomid Larvae ◽  
Abundance And Distribution

Pengaruh Penggunaan Limbah Feses Sapi Dan Probiotik Sebagai Bahan Pakan PeletTerhadap Kandungan Protein Ikan Nila

2017 ◽  
Vol 2 (4) ◽  
Author(s):  
Munadia Munadia
Keyword(s):  
Water Quality ◽  
Protein Content ◽  
Pond Water ◽  
Research Station ◽  
Highest Weight ◽  
Randomized Design ◽  
Commercial Feed ◽  
The Cost ◽  
Pellet Feed

Penelitian tentang pengaruh pengunaan limbah feses sapi dan probiotik sebagai bahan pakan pembuatan pelet terhadap kandungan protein ikan nila telah dilakukan Penelitian dilaksanakan di Station Riset II (dua) Ie Seum, UPT. University Farm, Universitas Syiah Kuala, Aceh Besar. Mulai tanggal 22 Mei sampai 14 Agustus 2016. Tujuan penelitian ini untuk memanfaatkan limbah feses sapi sebagai bahan pakan alternatif pengganti pakan komersil, agar mengurangi biaya pakan dalam budidaya ikan nila sehingga nilai gizi nya meningkat. Penelitian berlangsung selama 90 hari  menggunakan 4 keramba setiap keramba 100 ekor ikan nila. Perlakuan pakan adalah perbedaan persentase substitusi pakan pelet organik dengan ransum komersil yaitu substitusi  pakan pelet organik 0% (P0), substitusi pakan pelet organik 10% (P1), substitusi pakan pelet organik 20% (P2), dan substitusi pakan pelet organik 30% (P3). Parameter yang diamati adalah berat badan akhir, kandungan protein daging ikan dan kualitas air kolam. Rancangan yang digunakan adalah  Rancangan Acak Lengkap (RAL) yang terdiri dari 4 perlakuan dan 4 ulangan. Hasil penelitian menunjukkan bahwa substitusi pakan pelet organik dengan ransum komersil berpengaruh sangat nyata (P0,01) terhadap berat badan, namun tidak berpengaruh nyata (P0,05) terhadap kandungan protein dan kualitas air.  Pertambahan berat badan tertinggi diperoleh pada pemberian substitusi pakan pelet organik sebanyak 10%, yaitu menghasilkan berat badan akhir 24,43 gram dengan kandungan protein 15,31%.  Kualitas air kolam memenuhi standar yaitu suhu 30 ˚C dan pH 7.Effect of Waste Cattle Feces And Probiotics as Material Pellets on Tilapia Nutritional ContentThe research on the use of cow’s feces waste and probiotics as feed ingredients material of pellet making on protein content of Tilapia has been done. The research was conducted at Universitty Farm Research Station II (two) Ie Seum, Universitas Syiah Kuala, Aceh Besar. The begining of research from May 22 to August 14, 2016. The purpose of this study is to utilize the waste of cow's feces as an alternative feed material, replacement of commercial feed, in order to reduce the cost of feed in the growth of Tilapia. The study carried out for 90 days using 4 keramba and consinst of 100 Tilapias. The treatment is a  different percentage of organic  feed substitution with commercial feed. Each, the organic feed subsitussion of organic pellet 0, 10, 20, and 30%. Varialle measured ie: final wish, protein content of Tilapia flesh and pond water quality. The design used was Completely Randomized Design (RAL) consisting of 4 treatments and 4 replications. The results showed that the substitution of organic pellet feed with commercial ration had significant effect (P 0,01) on body weight, but no significant effect (P 0,05) on protein contain  and water quality. The highest weight gain was obtained in 10% organic pellet feeding substitution, which resulted in a final weight of 24.43 grams with a protein content of 15.31%. The quality of pond water was meets the standard temperature of 30 ˚C and pH 7.

scholarly journals Seasonal Variations in Haematological Parameters and Body Composition of Labeo rohita (Rohu) and Cirrhinus mrigala (Mrigal Carp) in River Indus, District Dera Ismail Khan, Pakistan

2021 ◽  
Vol 21 (09) ◽  
pp. 435-441
Author(s):  
Syed Sikandar Habib ◽  
Francesco Fazio ◽  
Saira Naz ◽  
Francesca Arfuso ◽  
Giuseppe Piccione ◽  
...  
Keyword(s):  
Water Quality ◽  
Body Composition ◽  
Moisture Content ◽  
Protein Content ◽  
Seasonal Variations ◽  
Labeo Rohita ◽  
Quality Parameters ◽  
Summer Season ◽  
Seasonal Effect ◽  
River Indus

The seasonal effect on haematology and body composition of Rohu and Mrigal carp were evaluated. Fifty-four fish of each species (Rohu length and weight 28.00±0.34 cm and 385±3.40 g; Mrigal carp length and weight 29.48±0.24 cm and 393±5.48 g) were collected from the Dera Ismail Khan. The values of WBCs (9.31 and 8.41×106 mm-3), RBCs (2.37 and 2.12×106 mm-3), Hb (9.58 and 8.78) and HCT (38.06 and 36.04 %) of Rohu and Mrigal carp were higher in summer whereas declined in winter (P<0.05). The MCV, MCH and MCHC of both species were higher (P<0.05) in winter, and decreased during summer. The moisture content of both Rohu and Mrigal carp was higher during winter followed by spring and lower in summer season. Lipid and protein content of both species were higher (P<0.05) in summer and lower in winter. The moisture content, proteins and lipid were found higher in Rohu than Mrigal carp. According to the findings, it was concluded that the water quality parameters vary seasonally which in turn impacts on body physiology of fish species.

scholarly journals Heavy metal content of copper (Cu) and protein in nile tilapia (Oreochromis niloticus) in floating net cage of Gajah Mungkur reservoir, Wonogiri, Central Java

2011 ◽  
Vol 1 (2) ◽  
pp. 70-79 ◽  
Author(s):  
MOCHAMMAD AZWAN ◽  
SUNARTO SUNARTO ◽  
PRABANG SETYONO
Keyword(s):  
Water Quality ◽  
Heavy Metal ◽  
Protein Content ◽  
Oreochromis Niloticus ◽  
Metal Contamination ◽  
Nile Tilapia ◽  
Metal Content ◽  
Central Java ◽  
Nile Tilapia Oreochromis Niloticus ◽  
Net Cage

Novebrianto MA, Sunarto, Setyono P. 2011. Heavy metal content of copper (Cu) and protein in nile tilapia (Oreochromis niloticus) in floating net cage of Gajah Mungkur reservoir, Wonogiri, Central Java. Bonorowo Wetlands 1: 70-79. Reservoir Gajah Mungkur of Wonogiri is an artificially aquatic environment with susceptibility of heavy metal contamination, so through the process of bioaccumulation, the fish tissue can be contaminated. This research were to identify concentration of heavy metals copper (Cu) and protein in the tissue of tilapia (Oreochromis niloticus Linn.), bred in floating cage breeders at the reservoir Gajah Mungkur. It was also tend to observe the relationship between heavy metal concentrations of Cu with protein content of tilapia tissue. Determination of sampling points was applied by a purposive sampling method. The concentration of both heavy metal and the measured protein was done descriptively, by comparing data obtained with fresh water quality standards according to PPRI No. 82 years 2001 and Decree DG POM No. 03725/B/SK/VII/89. Relations were analyzed by both correlation. The result showed that the concentration of Cu in the waters of reservoir Gajah Mungkur in the scale of 0,0108 mg/L was still below the threshold of fresh water quality standar. The parameters of temperature, pH, and DO on the results of the research were still in the range of values recommended for aquaculture activities. Cu concentration within tilapia tissues samples at 2,746 mg/kg were above the threshold of metal contamination in foods, especially processed meat, while the average protein content of tilapia value amounted to 18,07%. The higher the Cu content within the tissue, the lower the protein content of fish meat (r = 0,780).

scholarly journals B-4 Usefulness of Polypedilum chironomid larvae as water quality indicators

1995 ◽  
Vol 46 (Supplement) ◽  
pp. 51
Author(s):  
K. Kawai ◽  
S. Nakama ◽  
H. Imabayashi
Keyword(s):  
Water Quality ◽  
Quality Indicators ◽  
Chironomid Larvae ◽  
Water Quality Indicators

Ontogenic changes in prey consumption by the stonefly Paragnetina media in relation to temporal variation in prey nutrient content

2000 ◽  
Vol 78 (5) ◽  
pp. 748-763 ◽  
Author(s):  
Catherine J Duvall ◽  
D Dudley Williams
Keyword(s):  
Temporal Variation ◽  
Protein Content ◽  
Lipid Level ◽  
Nutrient Content ◽  
Chironomid Larvae ◽  
Larval Recruitment ◽  
Prey Protein ◽  
Baetis Tricaudatus ◽  
Female Bodies ◽  
Paragnetina Media

In Duffin Creek, Ontario, nymphs of the predatory stonefly Paragnetina media (Perlidae) commonly feed on detritus and three prey types: hydropsychid larvae (Hydropsyche sparna and Hydropsyche slossonae), nymphs of the mayfly Baetis tricaudatus, and chironomid larvae belonging to subfamilies Tanypodinae and Orthocladiinae. This study examined temporal changes in the nutrient (lipid and protein) content of these prey to determine if the predator tracks food resources by selecting prey on the basis of nutrient requirements at different stages in its own development. All three common prey types exhibited temporal variation in lipid levels, with peaks occurring at different times: June for the hydropsychids, August for the chironomids, and October for B. tricaudatus. Prey protein levels were less variable. The proportions of the prey types that were eaten varied throughout the year and according to predator size. For example, while small P. media ate mostly detritus, they also consumed early-instar hydropsychids during the larval recruitment period of the latter; mid-sized nymphs included more animal matter in their diet, primarily chironomid larvae; and larger nymphs primarily ate B. tricaudatus. Paragnetina media nymphs in all size categories showed an increase in body lipid level in the autumn, suggesting a general accumulation of lipid reserves in readiness for the winter, although dietary adjustment to accomplish this was detectable only in small P. media. There was no evidence to suggest that P. media selected prey on the basis of the latter's protein content. Male P. media nymphs preyed predominantly on chironomid larvae and included mites in their diet, whereas female nymphs preferred B. tricaudatus and hydropsychids. On a per milligram body mass basis, male nymphs had the higher nutrient gain, since, for both lipid and protein, intake by males was between two and three times that by females. However, male and female bodies had similar lipid contents. We conclude that whereas there is temporal variation both in the nutritional (lipid and protein) content of the common prey of P. media and in this predator's diet, there is only weak evidence for nutrient-resource tracking.

scholarly journals Physico-chemical and biological evaluation of Blue Nile River at Lake Tana, Ethiopia, in relation to discharge of tannery effluent

2020 ◽  
Vol 13 (3) ◽  
pp. 185-195
Author(s):  
Mekdes Hone ◽  
Getachew Beneberu
Keyword(s):  
Water Quality ◽  
Dissolved Oxygen ◽  
Water Samples ◽  
Biological Evaluation ◽  
Nile River ◽  
Tannery Effluent ◽  
Bahir Dar ◽  
Chironomid Larvae ◽  
Blue Nile ◽  
Low Dissolved Oxygen

Pollution of aquatic ecosystems with waste-water coming from tanneries is a serious challenge worldwide. The purpose of this study was to assess the water quality of Blue Nile River at a tannery in Bahir Dar, Ethiopia, using physicochemical and biological attributes. Four sampling sites were selected along the river based on the degree of degradation and major land-use types. Phyisco-chemical data, water samples, and chironomid larvae were collected monthly from March-May, 2016. Two liters of water were collected from each site and stored in the icebox and transported to Bahir Dar University. Water samples were analyzed for nutrients following standard procedures.  Chironomid larvae were collected using a D- Frame net of 500 µm mesh size. One-way ANOVA was used to compare variations in all measured parameters among the sampling sites. Low dissolved oxygen (2.8 mg/l) was recorded at the site where the tannery meets the river. Moreover, the concentration of soluble reactive phosphorus, SRP (25.5±14.3 μg/l) and conductivity (1907.3±39.5 µS/cm) were low in the most upstream site of the river. A total of six Chironomid genera belonging to the subfamilies Chironominae and Tanypodinae were identified.  The genus Chironomus dominated the impacted sites that had low dissolved oxygen levels. The other five genera were not found in those impacted sites. The result of this study indicated that the tannery effluent had impact on chironomid distribution as well as on river water quality.

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