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  • freshwater environment  (18)
  • Kaduna (Nigeria)  (18)
  • 2020-2022  (18)
  • 1
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    The impact of meteorological parameters on fish weight loss in the Kainji Solar Tent Dryer (2021)
    Fisheries Society of Nigeria | Kaduna (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23285 | 19325 | 2018-03-28 16:10:49 | 23285 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-13
    Description: Metrological parameters and their impacts on weight loss of fish inside Kainji Solar Tent Dryer were experimentally investigated. Drying experiments were conducted in solar dryer across the five agro ecological zones of Nigeria. During the drying experiments, the parameters such as temperature, relative humidity were lowest. The study showed that meteorological parameters were the primary determinants for fish drying within the Kainji Solar Tent Dryer, since weight loss during the experiment followed the pattern of these parameters
    Description: Includes:- 2 tables.;2 figs.;5 refs.
    Keywords: Fisheries ; Nigeria ; Kainji L. ; freshwater environment ; Processing fishery products ; Drying ; Solar power
    Repository Name: AquaDocs
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    Format: 22-25
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  • 2
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    Population dynamics of periwinkle Tympanotonus fuscatus var fuscatus (Linnaeus, 1758) in the Bonny Estuary, Niger Delta, Nigeria (2021)
    Fisheries Society of Nigeria | Kaduna (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23289 | 19325 | 2018-03-30 14:45:43 | 23289 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-13
    Description: The growth, mortality and recruitment pattern of Tympanotonus fuscatus var fuscatus were investigated using shell length (SL) - frequency data obtained from the mangrove swamps of the Bonny River, population. Computer based software package FiSAT (FAO - ICLARM Fish Stock Assessment tool) were used for the analysis. Sampling was done between January to December, 2004. Results obtained showed relatively high growth, low mortality and recruitment pattern with two peaks annually.
    Description: Includes:- 2 tables.;1 fig.;11 refs.
    Keywords: Ecology ; Fisheries ; Tympanotonus fuscatus var fuscatus ; Nigeria ; Bonny Estuary ; freshwater environment ; Population dynamics ; Growth rate ; Mortality ; Recruitment
    Repository Name: AquaDocs
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    Format: 46-49
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  • 3
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    The length-weight relationship and condition factor of Citharinus citharus citharus in Lake Kainji, Nigeria (2021)
    Fisheries Society of Nigeria | Kaduna (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23314 | 19325 | 2018-03-30 15:25:47 | 23314 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The length - weight relationship and condition factor of Citharinus citharus citharus was studied for a period of twelve (12) months from Lake Kainji, Nigeria. Nine hundred and eighty nine (989) fish samples (Citharinus citharus citharus) with total length ranging from 100mm to 530mm and weight ranging from 31.00g to 2250.00g were analysed. The results showed that the values of a, b and r were 0.0039, 3.2134 and 0.8997 respectively. The condition factor(K) values varied from 2.9 to 4.5, which means that the growth pattern of the fish is based on the value of 'a'. the fish species are also living well in the Lake as the 'K' are greater than one.
    Description: Includes:- 2 tables.;9 refs.
    Keywords: Ecology ; Fisheries ; Citharinus citharus citharus ; Nigeria ; kainji L. ; freshwater environment ; Condition factor ; Length-weight relationships
    Repository Name: AquaDocs
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    Format: 173-175
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  • 4
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    Fish safety and quality: sources of contamination and hygiene indicators in fresh and processed fish (2021)
    Fisheries Society of Nigeria | Kaduna (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23290 | 19325 | 2018-03-30 14:47:44 | 23290 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-13
    Description: The knowledge of sources and routes of fish contamination is a very important aspect in maintaining the quality of safety of fish. This is paramount because the sources constitute the acess through which most unwanted microorganisms may be transmitted onto fish and fishery products. Unwanted microorganisms may be found in the final product through raw material, personal handling or mobile equipment such as forklifts, through leakage and openings in building, or through pests. Some pathogens may even become established in the processing equipment and rough contact surfaces such as fish retail tables and from niches where they can survive for long periods of time. Many of these microorganisms occur naturally in aquatic and general environments, and may be transmitted onto fish before capture, during and after processing. Also, contamination via air can occur through dust particles or via aerosols. Water is also a vehicle for transmission of many agents of diseases. Thus, the quality of the raw material, personnel hygiene, equipment used for processing, the quality of the water used and pests are key issues in this context. As for quality assurance, methods such as the Good Manufacturing Practice (GMP), Good Hygiene Practice (GHP) and Hazard Analysis Critical Control Point (HACCP) are recommended by the Codex Alimentarius Commission for use by any food processing establishment to ensure safe, wholesome and nutritious food for human consumption
    Description: 27 refs.
    Keywords: Fisheries ; Health ; Nigeria ; freshwater environment ; Health and safety ; Safety regulations ; Sample contamination ; Microorganisms ; Hygiene ; Fishery products
    Repository Name: AquaDocs
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    Format: 50-55
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  • 5
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    Food and feeding habits of Protopterus annectens (Owen) in River Rima, Sokoto, Nigeria (2021)
    Fisheries Society of Nigeria | Kaduna (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23291 | 19325 | 2018-03-30 14:49:43 | 23291 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-13
    Description: The food and feeding adaptations of Protopterus annectens (Owen) in River Rima, Sokoto, Nigeria, were studied. Fish samples were collected from August to October, 2007. The Stomach contents were analyzed using frequency of occurrence method. The fish is an omnivore, feeding mainly on other fish, crustaceans, molluscus, leaf parts, seeds, pytoplankpton and detritus. The junviles showed more indigestion towards leaf parts and detritus while the adults exhibited more diverse and complex feeding. The fish gut length was 1.1 times the body length.
    Description: Includes:- 3 tables.;17 refs.
    Keywords: Ecology ; Fisheries ; Protopterus annectens ; Nigeria ; Rima R. ; freshwater environment ; Feeding behaviour ; Food chains ; Food preferences ; Stomach content
    Repository Name: AquaDocs
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    Format: 56-60
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  • 6
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    A survey on utilization of aquatic macrophyte (Nymphae lotus Linn) among villages in Kainji Lake Basin (2021)
    Fisheries Society of Nigeria | Kaduna (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23287 | 19325 | 2018-03-30 14:41:42 | 23287 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-13
    Description: Social cultural surveys were carried out on the basis of questionnaire administered to the fishing families in three (3) villages that were purposely chosen due to the preponderance of the macrophyte on their water bodies. The questionnaire was designed to collect information on the cultural and ethno-botanical uses of (Nymphae lotus Linn) among the fishing communities of Kainji Lake Basin. Total of 120 respondents were randomly selected and interviewed. Study on the utilization of the macrophyte among the fishing communities confirmed that the people in the Kainji Lake Basin do consume the seeds directly as food (100%) while the leaf and petiole are used for medicinal purposes (85%). Also, the fishing communities prepare some concoction with the plant to enhance fish harvest in the river. The respondents identified eight fish species that spawn around the macrophyte, the most prevalent being Tilipia spp (17%) and the least being Prostopterus ssp 8%. The fishermen interacted with during the period of this survey do not support the total eradication of (Nymphae lotus Linn) on the water bodies, but agreed to selective control to check execessive water loss through tranpiration and to ease water travels.
    Description: Includes:- 3 tables.;1 fig.;8 refs.
    Keywords: Biology ; Fisheries ; Nymphae lotus Linn ; Nigeria ; Kainji L. ; freshwater environment ; Aquatic plants ; Emergent vegetation ; Plant utilization ; Ecology
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    Format: 38-40
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  • 7
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    Development of fish products from small and underutilized tilapia (Oreochromis niloticus) in Kainji Lake area (2021)
    Fisheries Society of Nigeria | Kaduna (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23308 | 19325 | 2018-03-30 15:17:55 | 23308 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Fish Protein concentrate (FPC) from small and stunted tilapia (Oreochromis niloticus) which would otherwise have been discarded was used in certain proportion (0%, 10%, 20% and 30%, where the zero percent serves as control) in addition with wheat flour, for the production of chin-chin in order to address the problem of inadequate intake of protein and to determine the acceptable proportion of FPC to wheat flour by consumers. From the organoleptic result, 10% FPC + 90% wheat flour was well accepted by the panel of judges and therefore recommended as this will help to increase the protein intake of consumers.
    Description: Includes:- 2 tables.;9 refs.
    Keywords: Fisheries ; Oreochromis niloticus ; Nigeria ; Kainji L. ; freshwater environment ; Fishery products ; Products ; Fish utilization
    Repository Name: AquaDocs
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    Format: 144-146
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  • 8
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    Indices for organoleptic assessment of fresh fish quality (Tilapia species) (2021)
    Fisheries Society of Nigeria | Kaduna (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23312 | 19325 | 2018-03-30 15:22:48 | 23312 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Quality conditions of Tilapias (family Cichidae), a group of highly relished fresh water fish, were assessed using the human senses of touch, smell and sight at ambient temperature. The quality factors observed were body texture, odour, skin condition, gill condition, belly condition and eye shape. Deteriorative changes in the quality factors of the fish were observed and recorded at two hours interval. The observed quality factors deteriorated with time in the course of the study. Tilapia fish exhibited deteriorative changes from six hours of storage at ambient temperature. The fish became spoilt and unacceptable from twelve hours of storage.
    Description: Includes:- 2 tables.;4 refs.
    Keywords: Fisheries ; Tilapia aurea ; Tilapia zillii ; Oreochromis niloticus ; Nigeria ; Erelu L. ; freshwater environment ; Fish storage ; Fish spoilage ; Quality control ; Organoleptic properties ; Odour ; Taste
    Repository Name: AquaDocs
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    Format: 165-167
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  • 9
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    Household demand for fish in urban centres: a case of Ilorin, Kwara State of Nigeria (2021)
    Fisheries Society of Nigeria | Kaduna (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23315 | 19325 | 2018-03-30 15:27:07 | 23315 | Fisheries Society of Nigeria
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    Publication Date: 2021-07-14
    Description: This paper seeks to analyse the demand for fish in Ilorin with a view to identifying the factors that affect the demand for fish in the area. The study was based on data collected from respondents in five (5) major locations in Ilorin. Both descriptive statistics and multiple regression models were used for socio-economic characteristics of fish consumers demand. The results of this study showed that fish is preferred to any other livestock protein sources and the per capital consumption of fish is 0.53kg per month. Sociological factors, health factors and the household sizes did not play major roles in determining the quality of fish demanded. However, price of a close substitute to fish, income of respondents and distances of household from the fish market were very important factors influencing the quantity of fish demanded. The average distance of fish market from households in the study area is 4.5km. It is therefore recommended that distance of fish farm market point should be established close to household to ensure proper patronage and increased consumption.
    Description: Includes:- 1 table.;1 fig.;5 refs.
    Keywords: Fisheries ; Management ; Nigeria ; Ilorin ; freshwater environment ; Marketing ; Market research ; Pricing
    Repository Name: AquaDocs
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    Format: 176-180
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  • 10
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    Some aspects of the physico-chemical parameters of Kontagora Dam, Niger State Nigeria (2021)
    Fisheries Society of Nigeria | Kaduna (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23319 | 19325 | 2018-03-30 15:34:16 | 23319 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The seasonal variations in the physicochemical parameters were studied from January, 2007 to December 2007, in Kontagora Reservoir, Niger State, Nigeria. The physico- chemical parameters were determined bi-monthly , using the following methods , temperature using mercury thermometer in degree centigrade, transparency using Secchi-disc , Pye Unicam model 292 meter used for pH and electrical conductivity. Dissolved oxygen by modified Winklerazide method, water hardness and Phosphate- phosphorus by method of Lind (1979), total alkalinity by standard method described by Boyd(l979) , Nitrate- Nitrogen by Phenoldisulphonic acid method. The rainy season mean values for water temperature, depth, pH, Nitrate-Nitrogen, were significantly (P〈0.05) higher than those for the dry season. However, for transparency, conductivity, dissolved oxygen, hardness, alkalinity, phosphate-phosphorus and total dissolved solid, the dry season mean values were higher than the rainy season mean value. As in most other Africa inland water bodies, there was seasonality in the physicochemical parameters variables. The torrential rains of the dam environment, the characteristics trade winds of the dry season, effect of deforestation, fertilizer application, herbicides, insecticide and other chemical factors might have contributed to the fluctuations of some of the physicochemical parameters detennined in the Reservoir.
    Description: Includes:- 2 tables.;1 fig.;39 refs.
    Keywords: Chemistry ; Nigeria ; Kontagora L. ; freshwater environment ; Physicochemical properties ; Seasonal variations
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    Format: 189-195
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  • 11
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    Assessment of feeds and feeding techniques adoption in Ijebu Ode zone of Ogun State Agricultural Development Programme, Nigeria (2021)
    Fisheries Society of Nigeria | Kaduna (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23284 | 19325 | 2018-03-28 16:08:15 | 23284 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-13
    Description: The study was conducted to assess the feeds and feeding techniques adopted in fish farming in the six extension blocks of Ijebu-Ode zone of the Ogun State Agricultural Development Programme, South Western Nigeria. The areas covered are Ala, Ago-Iwoye, Isonyin, Ijebu-Igbo, Ijebu-Ife and Ibi-Ade. Primary data were obtained from ninety fish farmers with well structed interview guides while combination of purposive and convenience sampling procedure was used in selecting the fish farmers. The result obtained showed that majority (34%) of the respondent fell within the economic active age distribution of 40-49 years, male (87%) married (90%:Christian 73.3%), tertiary education (47.7%), farming experience (54.4%), membership of cooperative society (63.3%),household size of above five (55.6%), annual income of above N51,000 (94.4%) and 34.4% of the respondents sourced their finance from personal saving. Most of the fish farmers adopted use of concrete tanks, intensive and semi-intensive culture system, culture Clarias and Heterobranchus species, produced about two tons per culture circle of six months. Majority (61.1%) of the respondents combine use of supplementary feed because of readily available desired feed.Recommendations are availability of credit and subsidies facilities, accessibility feed supplies, farmers’ cooperative, enabling government policies and farmers training and extension service provision.
    Description: Includes:- 8 tables.;3 figs.
    Keywords: Aquaculture ; Clarias ; Heterobranchus bidorsalis ; Nigeria ; Ogun State ; Fish Feed ; freshwater environment ; Feed ; Fish ; Fish culture ; Cultures
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  • 12
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    Local plant ingredients use in aquafeeds: a review (2021)
    Fisheries Society of Nigeria | Kaduna (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23288 | 19325 | 2018-03-30 14:43:29 | 23288 | Fisheries Society of Nigeria
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    Publication Date: 2021-07-13
    Description: The cost of fish feeds can be significantly reduced if some locally available ingredients are incorporated in feed production. While soybean and maize remain best choices as plant protein and energy sources respectively, other less popular legumes reviewed in this paper can be used as substitutes, especially as partial replacers for these nutrient sources that have high food value for human population. Their use as human food makes soybean and maize relatively costlier than the winged, Psophocarpus tetragonolobus, Aacha, (Digitaria exilis), Cassia fistula and Bamara been shown to have good replacement values in diets for fish. It is recommended that more oils seeds; legumes and nuts suitable ingredients are found that they have little value as nutrient sources for human population, their cost will be less and this will enhance the profitability of the aquaculture enterprise.
    Description: Includes:- 28 refs.
    Keywords: Aquaculture ; Nigeria ; Fish feed ; freshwater environment ; Feed ; Feed composition ; Feed preparation ; Feeding experiments ; Chemical composition ; Feeding
    Repository Name: AquaDocs
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    Format: 41-45
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  • 13
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    Growth improvement of F1 generation of Clarias gariepinus through selective breeding (2021)
    Fisheries Society of Nigeria | Kaduna (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23309 | 19325 | 2018-03-30 15:18:56 | 23309 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Selective breeding studies were carried out in four genetic mating combinations of Clarias gariepinus with the aim of improving its growth performance. F2 intraspecific and backcross were produced using the best male and female of the best genetic mating combination in the F generation in crosses of three wild strains of Clara gariepinus. The highest percentage hatchability (75%) was recorded in female Kainji parental and male Kainji F1. and the least (53.67%) in female and Male Kainji Fl. The cross involving female Kainji F1. and Male Kainji Parental had the best survival (49%) indoor and also best (38.67%) outdoor, while the least (37.67%) was recorded in female Kainji parental and Male Kainji F1 and also gave the least (32.67%) outdoor. The female Kainji F1, and male Kainji parental gave the best growth performance (1.61 g) at 19 days indoor rearing, while female and male Kainji parental gave the least (1.50g). At the end of seven months rearing outdoor, the female Kainji parental and male Kainji F1. gave the best growth performance of(222.49g) and the least (180.66) was recorded in female Kainji F1 and male Kainji parental.
    Description: Includes:- 3 tables.;2 figs.;14 refs.
    Keywords: Aquaculture ; Fisheries ; Clarias gariepinus ; Nigeria ; Fish genetics ; fish breeding ; freshwater environment ; Genetics ; Breeding ; Fish culture ; Growth rate ; Hybrid culture ; Hybrids
    Repository Name: AquaDocs
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    Format: 147-152
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  • 14
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    Prolonging freshness of tilapia Oreochromis niloticus by evaporative cooling system (ECS) (2021)
    Fisheries Society of Nigeria | Kaduna (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23310 | 19325 | 2018-03-30 15:20:08 | 23310 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The principle of Evaporative Cooling System (ECS) was adopted to construct a Wooden Evaporative Coolant Structure (WECS) to prolong the freshness of Tilapia, Oreochromis niloticus. The keeping quality of the two structures was compared with fish kept at ambient using temperature, relative humidity, weight loss and organoleptic indices. Results showed that the Basket ESC and Wooden ECS recorded lower temperatures and higher relative humidity values as compared with the ambient. Tilapia stored at ambient condition recorded significantly higher weight loss (P〉0.05) than those kept in BECS and WECS. Results of sensory evaluation showed that there was a gradual reduction in the organoleptic quality of the fish stored in BECS and WECS. Quality of whole fish by panelist after 8 hours of storage showed that the two ECS models recorded significantly higher (P〈0.05) freshness scores than fish stored at ambient temperature. Fishmongers should adopt this technology (BECS and WECS) as a means of prolonging the freshness of Tilapia Oreochromis niloticus before they are sold to consumers.
    Description: Includes:-6 tables.;2 figs.;9 refs.
    Keywords: Fisheries ; Oreochromis niloticus ; Nigeria ; freshwater environment ; Processing fishery products ; Cooling systems ; Cooling ; Fish spoilage ; Quality ; Acceptability
    Repository Name: AquaDocs
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    Format: 153-158
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  • 15
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    Acute toxicity of galex to Oreochromis niloticus (Trewavas) in Nigeria (2021)
    Fisheries Society of Nigeria | Kaduna (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23311 | 19325 | 2018-03-30 15:21:32 | 23311 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The acute toxicity of galex (Metolachlor) to fingerlings of Orechromis niloticus (Trewavas) was determined in 96hour static bioassays. During the assays, opercular ventilation and tail fin movement rates of the fish were determined. Haematological parameters of the blood and histopathology of the gills were observed. The 96hours LC50 of galex to fingerlings of O. niloticus was observed to be 9.30mgL-1~c 1.04. Histopathology of gills of the fish exposed to l100mgL -1, 1200mgL and 13..00mg/L-1 showed a dose-dependent disruption of the architecture of the lamellae and atrophy which led to impairment in oxygen uptake. Other symptoms of toxicosis in exposed fish include haemorrhage of the gills and fins, blood shot eyes of the fish, copious production of mucus on the body and head, agitated swimming, eruption of the ventral side and spilling out of the digestive system of fish, air gulping and death.
    Description: Includes:- 3 tables.;23 refs.
    Keywords: Fisheries ; Pollution ; Oreochromis niloticus ; Nigeria ; Zaria ; Galex ; freshwater environment ; Toxicants ; Toxicity ; Toxicity tests ; Pesticides ; Histopathology ; Haematology ; Biological stress
    Repository Name: AquaDocs
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    Format: 159-164
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  • 16
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    An assessment of the problems of fisheries data collection in Nigeria (2021)
    Fisheries Society of Nigeria | Kaduna (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23317 | 19325 | 2018-03-30 15:29:58 | 23317 | Fisheries Society of Nigeria
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    Publication Date: 2021-07-14
    Description: This paper reports on a survey, which studied the problems working against fisheries data collection in the country. The purpose of this was to quantify the capacity of the States to effectively collect data needed for planning and development of the fisheries sector and to assess the impact of this on the process of data collection and the quality of the data collected. Four organizational levels of data collection - Enumerator, L.G.A, zone & State - were recognized by the study, but their efficiency is weakened by inadequacies of manpower, budgets & logistics. The magnitudes of these problems vary among the States but their effects are adverse all over. The current efforts of the Federal Department of Fisheries and other stakeholders to strengthen fisheries data collection in the states should be intensified both in magnitude and frequency to be able to achieve adequate capacity for generating adequate data for planning and development of the fisheries sector.
    Description: includes:-4 tables.;4 refs.
    Keywords: Fisheries ; Nigeria ; freshwater environment ; Data collections ; Fishery data ; Catch statistics ; Fishery statistics
    Repository Name: AquaDocs
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    Format: 185-188
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  • 17
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    Fish distribution in Kontagora Reservoir, Niger State, Nigeria (2021)
    Fisheries Society of Nigeria | Kaduna (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23313 | 19325 | 2018-03-30 15:23:59 | 23313 | Fisheries Society of Nigeria
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    Publication Date: 2021-07-14
    Description: A study of the fish distribution in the inshore, surface and bottom water habitats of Kontagora Reservoir, conducted between January, 2007 and December, 2007 , using a fleet of nine multifilament gill nets of 25.4,38.1,50.8,63.5,76.2,88.9,101.6,127.0 and 177.8 mm stretched meshes, revealed the presence of six species belonging to five families, with the most abundant family being Cyprinidae, followed in order of abundance by the Cichlidae, Mormyridae, Claridae and Bagridae. The mean catches for individual fish families showed no significant variation within the major habitats (p〉0.05). Apart from the family Claridae, which was caught, only in the bottom habitats, all other families were caught in the three habitats.
    Description: Includes:- 2 tables.;1 fig.;9 refs.
    Keywords: Fisheries ; Nigeria ; Kontagora Reservoir ; Fish distribution ; freshwater environment ; Distribution ; Stock assessment ; Check lists ; Species diversity
    Repository Name: AquaDocs
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    Format: 168-172
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  • 18
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    The growth response of fingerlings of O. niloticus in sublethal test to paraquat (2021)
    Fisheries Society of Nigeria | Kaduna (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23316 | 19325 | 2018-03-30 15:28:47 | 23316 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The initial mean wet weight of the test fish were 7.64:~c 1.3 for the control and 6.33~c 0.9, 6.88~c 0.9 and 6.2~c 0.7 for the fish exposed to 1.02, 1.40 and 2.0mg/l of paraquat in water respectively. Growth was estimated from the sum of the individual wet weights of the fish at 2, 4, 6 and 8 weeks of exposure to the toxicant and expressed as percent Cumulative wet weight gain. The results showed that the cumulative percent wet weight gain in the control group increased from 10.34% at 1 week to 36.13% at 8 weeks. The growth of fish that were exposed to 1.02, 1.04 and 2.00mg/l increased from 3%, 0.44% and 1.55% at 1 week to 30.81 %, 9.59% and 19.81 % at week 8 respectively. A statistically significant difference in growth rate of the treated and control was observed (p〈0.05).
    Description: Includes:- 4 tables.;5 refs.
    Keywords: Aquaculture ; Pollution ; Oreochromis niloticus ; Nigeria ; Paraquat ; freshwater environment ; Fish culture ; Growth rate ; Growth ; Sublethal effects ; Toxicity
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 181-184
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