Growth of fish is dependent on population density also. Prawn cultivation is very profitable, and the Prawns grow very fast in freshwater ponds and reach to the marketable size (150-180 mm) in a time span of six months. After 15 days, inorganic fertilizers have been applied. As a result of compensatory growth, the fish attain 1.0–1.5 kg after a culture period of 10-12 months. White mats appeared initially on the skin, which spreads gradually to deeper tissues and cause death. My name is PEDRO VERDECIA BATISA, I have rohu in my enterprise but I have not the feeding guide to improve the culture of this species, could you send me the guide to feeding. This  fluctuations in feeding are prominent in females than in males. Similar growth rates have also been reported by Hora and Pillay (1962). Variations in growth rate are mainly due to hydrobiological and geo-climatic conditions as well as stocking density, biological productivity of the water body and the provision of supplementary feeds. It appears as white spots. Under experimental conditions fry can be grown to fingerlings with an average size and weight of 106.6 mm and 11.9 g at a SGR of 5.38 (Biswas et al., 2006b). Rohu is a fresh water bony fish and is famous in India and South Asia. Contact us  | Terms and Conditions |  Scam Alert, Aquaculture Feed and Fertilizer Resources Information System. This practice is called integrated fish farming. If you are into commercial fish famring, you should consider for Rohu Fish. 5. It has also been found that while b may be different for fish from different localities, of different sexes, or for larval, immature and mature fish, it is often constant for fish similar in these respects. Intensity of feeding varies with season, environment, size and the reproductive cycle. You can get a Rohu Fish Farming Project Report details at the bottom of this article. No. Eyes, pelvic and pectoral fins are dorso-laterally positioned. ... stocking density and time. Any medicines required for both. Fish exports have been in decline over the last two years, but moving to some of the tilapia freshwater fish species may help the industry as they take less time to reach maturity, she said. Rohu fish fry slices , couple of Rohu fish fried slices are served over white vessel and photographed against maroon. It is said that sea fish has a greater content of protein. A genetically improved variety of rohu (Jayanti rohu) has been developed through a selective breeding program by the Central Institute of Freshwater Aquaculture in collaboration with the Institute of Aquaculture Research in Norway. Harvesting can be done after one year. On a white bowl. Rohu Fish Farming. But the river fishes are not far behind. I want to know if Rohu fish farming can be done by RAS and it it is profitable considering cost of RAS. In almost all the countries, the commercial Rohu fish breed culture is common and induced breeding plays a major role for the entire seed requirement. and BOD 5. Total fish weight in grams= 9000 x 750 grams= 6,750 kilograms. Mr. Reddy was born in farmer's family and was into 'IT' profession where he was not happy with his activities. Depending on climatic conditions, the growth of the fish, and nutrient content of the pond, fertilizers have to be altered. Rohu fish kalia - a spicy Bengali dish. Der Rohu besitzt ein nicht öliges weißes Fleisch und gilt frittiert bei den Oriyas und Bengali als große Delikatesse und Vorspeise der typischen traditionellen Kost. Compared to adult stage where feeding could be 1 to 3 times daily. Growth is generally an increase in size due to conversion of the food matter into the building matter of the body by means of the process of nutrition. I wants to start small scale Rohu fish farming project ofworth value 20lakh Sometimes, fish harvesting can be done with complete dewatering. The rate of growth varies from species to species and sometimes it varies even among species also. The soil in the pond must be well drained and must have enough water retention capacity. It has a smooth body with an elliptical mouth. Proper provision for inlet and outlet have been provided. Control: Short baths in 3% common salt solution found more effective than antibiotics. Der Rohu ist ein beliebter Speisefisch, der in Teichwirtschaften v. a. in Kerala gehalten wird und als Frischfisch auf den Markt kommt. It’s good and it’s true. Nitrogen and Phosphorous have been added in appropriate quantities. The female Rohu lays 3 lakh eggs approximately. Pump sets, sheds and electricity arrangements have been provided. Chakrabarti et al. Body bilaterally symmetrical, moderately elongate, its dorsal profile more arched than the ventral profile; body with cycloid scales, head without scale; snout fairly depressed, projecting beyond mouth, without lateral lobe; eyes dorsolateral in position, not visible from outside of head; mouth small and inferior; lips … The fish feeds in water on algae, mud, sand, decomposed vegetation. we are growing them from 14thmay 2014 to till date but their rohu size grow at finger size and katala size is around two finger fat and long. Chakrabarti et al. (2003) demonstrated the compensatory growth potential of rohu under experimental conditions. After 15 days, inorganic fertilizers have been applied. Rohu is commonly eaten by the people of Tripura, Bihar, Odisha, Assam, West Bengal, Bhojpur and Uttar Pradesh in India. Reply. It is also capable of filter feeding with its gill rakers. After 90 days of rearing Jena et al. Rohu – Labeo Rohita Popular River water fish of Orissa. You are requested to send me Bankable project for this worth value. Stunted carp are produced by rearing fingerlings for 6 -12 months at densities ranging between 50 000 and 100 000/ha and fed with just enough food to survive until they attain a weight of 50-150 g, where after they are stocked into the grow-out ponds. (1988) and Hossain et al. “We currently export rohu-species fish to other countries, but they take a little longer to grow, particularly as importers only want bigger fish,” she said. Living inland where river fish like rohu and katla are more common, it is always a good idea to bank upon the fish protein as much as possible. (2002) and Gjerde et al. Reddy et al. It is an omnivore and is used  in aquaculture extensively. The gene transfer efficiency was 25%. Fish reaches 800 grams at the time of harvesting. Fish were fed to apparent satiation (about 10% body weight), 6 d/wk, twice daily at 0800 and 1600 h for 6 wk. Growth rate of fish also indicates the suitability of particular species for a particular type of the water-body. (1988) and Hossain et al. The feeding habit changes from fingerlings stage onwards. Under experimental nursery rearing conditions, Biswas et al. Feeding experiments were carried out in 100 L tanks for 40 days. This explains why experts recommend pregnant women avoid sea-water fishes like swordfish (myli meen), tuna and shark and instead consume fishes like rohu or kingfish. (2006a) reported maximum growth in terms of length, weight and specific growth rate (SGR) of 28.9 mm, 247.7 mg and 33.96, respectively. Save my name, email, and website in this browser for the next time I comment. It has bilaterally symmetrical body with extended body. Cow dung or any such manure has been applied 3 days after liming. Harvesting can be done on the demand of  Rohu fish and season. In most cases, the aim is to introduce a new trait to the fish which does not occur naturally in the species, i.e. Decided to come back to farming, agriculture sector as a Farmer and Writer. It has been reported that after 4 generations the new strain shows a 17 percent higher growth rate and this strain now making an impact on production output at the farmer level (Ayyappan and Jena, 2006). In the oldest cluster, Twantay, there was no change; in Hlegu, there was an increase from 680 to 1720 acres (2.5 times), and in Latkyargi in Maubin, from 2240 to 3110 acres (nearly 1.5 times). (2003) demonstrated the compensatory growth potential of rohu under experimental conditions. Rohu prefers phyto-planktons. The transgenic rohu (family line 1) with CMV promoter showed a growth enhancement of four times normal size, whereas those (family lines 2 and 3) generated with β‐actin promoter grew 4.5 and 5.8 times faster than their respective control siblings. Maximum weight gain (%) and specific growth rate (SGR %) were observed in C. catla and L. rohita fed a diet with 36% carbohydrate and 4% lipid, corresponding to a CHO: L ratio of 8.93. Bacterial gill disease: Myxobacterial complex has been found in the affected gills Fingerlings causes retarded growth and poor survival. Chondar (1999) reported that in well prepared ponds, rohu attain 700 – 1 000 g in the first year, 800 – 2 000 g in the second year and 2 000 – 4 000 g in the third year. (2002), who reported a 1.6 times higher rohu yield in the presence common carp. An experiment was carried out in 18 earthen ponds to investigate the effects of the addition of common carp Cyprinus carpio (L.) and artificial feed o… Fresh fish can be sold immediately after harvesting. The transgenic rohu (family line 1) with CMV promoter showed a growth enhancement of four times normal size, whereas those (family lines 2 and 3) generated with β-actin promoter grew 4.5 and 5.8 times faster than their respective control siblings. It occurs at post spawning time. It has become popular because of its taste and demand in the market. Nitrogen and Phosphorous have been added in appropriate quantities. (2002) reported no significant differences between the growth of wild and farmed fish and that there is very little growth heterosis in crossbred progeny. Hello, I am Ranjit. It is away from flood prone area. Southern analysis confirmed the transgene extrachromosomal (Te) persistence until the 60th week in family 1. They have a streamlined body with a large oval gaping mouth ringed with thick lips. Growth is actually an increase in any dimension of any organism in relation to time. Cost of 1 kilogram of  meat of Rohu=60.00 Rupees (if you sell in wholesale at your pond). 70,000 ROHU & 30000 KATALA . For better utilization of resources, fish farming can be combined with agriculture, animal husbandry and irrigation practices which in turn gives higher production and net profits. Overall, the biofloc system had much higher TSS . Net profits in Rohu Fish Farming is : 4,05,000 – 2,70,200 =  Rs1,34,800. Further, we can know their spawning time. transgenesis. Cow dung or any such manure has been applied 3 days after liming. ?. Fish can be packed in ice and then made ready for exporting. In global aquatic food production, aquaculture has become an ever increasing share. So they are fed controlled rations for up to 12 to 24 times daily. He plans collaborating his agriculture, horticulture and farming knowledge into a subject of help to all those who wish grow crops, venture into farming or gardening. Although, many fish species carry high levels of the metal mercury, Rohu fish is listed among the fishes with low level of mercury chiefly because of the environment that are found. A fish technician adviced me to not stock rohu fish, as it’s does not grow well in farm pond, as it is blck soil. Generally, 1 kilogram weight of fish can be more sold in the market. Get latest info on Rohu Fish, suppliers, manufacturers, wholesalers, traders, wholesale suppliers with Rohu Fish prices for buying. Control: Malachite green zinc free grade, potassium permanganate, copper sulphate salt are common therapeutics for effective use. For grow-out, fingerlings are stocked at a density of 5 000–10 000/ha in composite culture systems in which rohu comprise between 15-30 percent of the pond population. Growth performance of rohu was more or less similar in treatments without common carp and treatments with 1 common carp m − 2. It is considered as a game fish. New ponds have been exhumed. of fingerlings sustained at an average = 9000 (Assuming that the Rohu fish mortality rate in the pond is about = 10 to 20%). Does 50% profit on your investment in a short time sound too good to be true? “However, there’s been a growing water scarcity, impacting farming. The individuals of family lines 2 … Catla [Catla catla], rohu [Labeo rohita] and common carp [Cyprinus carpio] were fed for 90 days on the usual feed of rice bran and oilcake in equal parts, or on pellets with dried silkworm [Bombyx] pupae or fish meal as main source of protein. Growth rate and age of fish also indicate the size of fish at different stages, e.g., fry, fingerling, and adult of different species. ROYSFARM. Growth in natural waters is influenced by food availability, feeding intensity and the reproductive cycle and under culture condition is determined by pond size, stocking density and size at stocking. Growth is best described by the Von Bertalanffy growth equation described by Lt= 1015[1-e0.276(t+0.333)] (Khan,1972). Removal of  weeds by using effective herbicides. Copper sulphate may also be used for pond  treatment. The body is bluish black on the back and silver on the belly and sides. You have entered an incorrect email address! Other fish can be removed by sun drying of waterbed or by repeated netting. The pond soil is analyzed prior to adding nutrients. You can get the total returns from the sale of  6750 kg of Rohu = 6750 x 60 = 4,05,000. of fingerlings stocked in pond per 1 hectare (2.4 acres) = 8000 to10,000. Mahuva oil cake 2500 kilograms per one hectare is used to kill the fish. ADVERTISEMENTS: 4. Natural growthRohu grow well in varied environments and the best growth is observed in large water bodies. Feeding of Rohu fish: Partial dewatering or repeated netting can be done to harvest the  Rohu fish. The term aquaculture includes all forms of aquatic animals and plants in fresh, brackish and salt waters. The pond must be away from flood prone area. Fish growth rates differed significantly (P < 0.05) with CHO: L ratio in the diets. The other names of Rohu are  rui, or roho labeo  Labeo rohita. They have white and non-oily textured flesh. Vysakh Rameshkumar, owner of SAV Fish Farm at Karikkakom, has been farming mainly catla and rohu, two popular varieties. of fish do change their shape as they grow and so a cube relationship between length and weight would hardly be expected. It is very important to maintain pond properly before and after stocking the fish seed. 25 Jul 2007 Rohu – Labeo Rohita Popular River water fish of Orissa India. It’s both. Well drained pond with enough water retention capacity is needed. (1999) reported SGRs of 5.41 and a maximum size of 20.3 gm. Fish protein :- is one of the best forms of protein available. These three species have different zones for their habitat in the water body. to compare the growth of rohu carp (Labeo rohita) grown using two different production and feeding methodologies in six 0.11-ha earthen ponds. Two subsequent treatments with a gap of one week cures the disease. Fish attains weight in 6 months = 700 to 800 grams. Wherever the soil, shape of the land and water supply are appropriate. If it’s so..can I use in a ratio of, 2000 cyprinus, 2000 katla, and 1000 mixed…? As a result of compensatory growth, the fish attain 1.0–1.5 kg after a culture period of 10-12 months. The fish are reared for a period of 10 - 12 months and reach a size of about 700 – 800 g (Jena and Das, 2006). Depending on climatic conditions, the growth of the fish, and nutrient content of the pond,  fertilizers have to be altered. 3. This concurs with Wahab et al. Comparatively lower growth rates have been reported under experimental conditions in earthen ponds (Jena et al., 2001, Jena et al., 2002a, Jena et al., 2002b, Tripathi et al., 2000). Poly-culture system is used in Rohu fish farming. Commercial feed (Sunder’s feed) was used as control. Indian major carps are known to grow faster during the second year. Growth is the process of addition of flesh as a result of protein synthesis. Er wird als Potoler Dolma oder in Senföl als Kalia angeboten. As it does not breed in Lake Ecosystem, induced spawning is necessary for culturing. The  Rohu or roho labeo  Labeo rohita  is a species belongs to the family Cyprinidae  found in rivers in South Asia.It is a large, silver coloured fish and typical cyprinid in shape  with clear arched head. They release sperms and eggs in the areas are deep and shallow rivers Induced spawning is essential as they do not breed in calm waters. Fungal disease: This causes extensive loss. By following proper methods, we can expect 4-5 tones of fish at an average per hectare. It feeds on aquatic vegetation with its fringed lips. Introduction of Rohu Fish Farming:-Rohu (Roho Labeo or Labeo rohita) is one of the freshwater fishes of the carp family which is very popular fish in India and other parts of the world especially south-east Asia.This fish also called as ”Rui” or “Ruee” or Tapra. Rohu fish farming project report / Economics of Rohu fish/ Marketing and Cost calculation / hectare (2.4 acres): No. The Seed source is available from fresh lakes, reservoirs, water  rivers and canals. Newly hatched rohu larvae are 3.5 – 4.5 mm in length. The quantity of feed fed to younger fishes is smaller than that fed to bigger adult fishes or grow-outs. Breeding of Rohu: Generally, Rohu fish attains maturity at three years of age. how much time is required to grow them at 1 kg both. To benefit from this phenomenon farmers in Andhra Pradesh have developed a technique of stunting the fish. Spicy dish of rohu fish. Selection of Pond:  Rohu is cultivated in the pond. Fish growth parameters of rohu in both control and biofloc treatments. We had 1 acre pound we have 1,00,000 FISH the proportion is like this. Genetically modified fish (GM fish) are organisms from the taxonomic clade which includes the classes Agnatha (jawless fish), Chondrichthyes (cartilaginous fish) and Osteichthyes (bony fish) whose genetic material has been altered using genetic engineering techniques. It is a planktivorous surface feeder. April to July is the best period for laying of eggs. Genetically Improved Rohu “ Jayanti” for Sustainable Aquaculture Production ICAR-CIFA Extension Series - xxxx (English) Selective breeding of rohu has been initiated for the first time in India by ICAR-CIFA in collaboration with Institute of Aquaculture Research (AKVAFORSK), Norway to genetically improve rohu for higher growth.Rohu Generally,  Rohu is cultured with Catla in two species or Mrigal and Catla in three species. Rohu fish belongs to the family of “Cyprinidae” and genus of “Labeo”. Find here details of companies selling Rohu Fish, for your purchase requirements. After spawning, the fish feeds actively. When reaching the maturity stage, the feeding increases when compared to immature stage. Trucks and air transport have been used according to the distances. It is commonly found in tropical and temperate zones. my best regards, Hello Sir, Derelict of ponds has been de-sanitization, dewatering, and repair of embankments. If growing them in a fertilized pond they even grow faster, Ponds for the fish cultivation can be built. how much we should feed them per day what precaution we must take. Rohu carp of size 16 g were stocked in three ponds at 1,430 fish per pond and cultured using the ASA feed-based technology with soy-maximized, extruded feed. Eggs are attacked in all the stages. At the matured stage, feeding intensity decreases. He advised to stock, cyprinus (common carp), katla, and mixed ( rohu, katla, mrigal). Rohu can also be reared with silver carp or glass carp. They live up to 10 years and attains maturity in 2-5 years. Body short and deep, somewhat laterally compressed, its depth more than head length; head very large, its depth exceeding half the head length; body with conspicuously large cycloid scales, head devoid of scales; snout bluntly rounded; eyes large and visible from underside of the head; mouth wide and upturn… The fry (20–25 mm) are reared in earthen rearing ponds at a density of 0.2 – 0.3 million/ha for 2–3 months and reach 80 – 100 mm in size. rohu hybrids over the rohu-mrigal hybrids. It lays eggs in open waters. Growth rate was greatest with catla, 2.05 g daily gain of bodyweight on silkworm diet, next greatest on fish meal. Fish farming can be done twice in a year, so one can obtain a profit of : Rs1,34,800 x 2 = Rs 2,69,600. Knowledge of fish growth is of vital importance for obtaining high yield of fish. Adult Rohu fish can attain a weight of 45 kilograms and maximum length of 2 meters, but the average length is  around 1⁄2 meter. When fish density is high competition for food becomes important. To enhance the fertility of the soil, fertilizers and manure have been applied. The yolksac is absorbed within three to four days at which stage the fish are 6.0 to 7.5mm in length. Age or growth stage of the fish: Fish at early stage of their life have higher metabolic rates and hence their growth rate is fast at this early stage. Rohu is very commonly eaten in Bangladesh, Nepal, Pakistan and the Indian states of Tripura, Nagaland, Bihar, Odisha, Assam, West Bengal, Andhra Pradesh, Tamilnadu and Uttar Pradesh. Other states include Bangladesh, Nepal. I will stock in August, in how many months it will gain 1 kg of weight. Effect of live feed on the survival and growth of fry of Catla catla using three different live feeds namely, Cyclopoid (Thermocyclops decipiens), Cladoceran (Moina micrura), and mixed diet (Cyclopoid and Cladoceran) were studied. Pre-stocking: This operation is the removal of weeds, debris and fish from previous cultivation. Rohu Fish Farming Project Report, Economics of Rohu. Growth of fish means a change in length or weight or both with increasing age. Organic and inorganic fertilizers have been applied. The 3-4 day old larvae are stocked into nursery ponds at a density of 3-5 million/ha and reared for a period of 15 – 20 days by which time they reach 20 – 25 mm in size and are then called fry. 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