NECO Fishery OBJ, THEORY/ESSAY Questions and Answer – June/July 20Fishery17 Expo Runz
Fish Breeding is a complex issue when examining and comparing commercially important fish species, be that mollusc, crustacean or teleosts.
i)Make sufficient supply of minnow by not depending on natural source.
ii)Producing high quality minnow species.
iii)Through artificial breeding we can get good sized and weights fish.
iv)Artificial breeding become very profitable if it possible to hatch 50% eggs.
v)It is possible to produce hybrid fish by mixing different species of fish.
i)lack of attraction flow
ii)unsuitable location of the entrance
i)Composite fish culture
iii)Integrated fish culture
iv)Lacustrine fisheries culture
v)Sewage fisheries culture
i)Inlet- To let water into the pond/impoundment
ii)Outlet/monk/spillway/stand pipe/overflow spout- To keep water at a suitable level in the pond
iii)Embankment/dyke/wall- Houses the cultured organism(fish)
iv)Harvesting basin- Collection point for all fishes during total harvesting/for easy removal
v)Core trench- Reinforces the dyke built with low clay soil to avoid seepage
ii)Seeds scarcity and inadequacy
iv)Technical problem associated with production and management
ii)THE SOURCE OF WATER
v)FAR AWAY FROM POLLUTION
i)Low Capital Investment:In addition to the on-farm production possibilities of organic fertilizers, organic fertilizers help in maintaining the soil structure and increasing its nutrient-holding capacity
ii)Fertility of Soil:Organic fertilizers ensure that the farms remain fertile for hundreds of years.
iii)Safe Environment:Organic fertilizers are easily bio-degradable and do not cause environmental pollution.
iv)Employment:We all know that chemical fertilizers are made in large plants that are automated and have an annual capacity of millions of tons.
v)On-Farm Production:The majority of organic fertilizers can be prepared locally or on the farm itself.
i)Dissolved Oxygen It is the amount of oxygen dissolved in water. Most aquatic organisms need oxygen to survive and grow.
ii)Temperature is a measure of the average energy (kinetic) of water molecules. It is measured on a linear scale of degrees Celsius or degrees Fahrenheit.
iii)Electrical Conductivity/Salinity Solids can be found in nature in a dissolved form. Salts that dissolve in water break into positively and negatively charged ions. Conductivity is the ability of water to conduct an electrical current, and the dissolved ions are the conductors.
iv)pH is a measure of how acidic or basic (alkaline) the water is (the term pH comes from the French: “puissance d’Hydrogène” which means strength of the hydrogen). It is defined as the negative log of the hydrogen ion concentration.
v)Turbidity is a measure of the amount of suspended particles in the water. Algae, suspended sediment, and organic matter particles can cloud the water making it more turbid.
Suspended particles diffuse sunlight and absorb heat.
Naijaray.com posts all exam expo answer earlier than others
NECO Fishery solutions, NECO 2017 Fishery answer, NECO Fishery answer, verified NECO June July Fishery answer expo answer, 2017 NECO Fishery expo answer
Verified NECO 2017 Fishery (Obj & Theory) question NECO Free 2017/2018 Fishery Theory & Obj Questions and answers have been posted FOR FREE OOOO 2017/2018 NECO Fishery OBJ AND THEORY ANSWERS NOW AVAILABLE. ANSWERS NOW POSTED BY ADMIN. CLICK BELOW IMAGE FOR THE ANSWERS NOW. NECO 2017/2018 verified Fishery OBJ THEORY/ Questions and Answers Here (Fishery OBJ AND THEORY) NECO Fishery expo,NECO 2017 Fishery answers, FREE Fishery ans for NECO, see NECO expo questions for free, correct Fishery ans,Fishery answers runz runs expo free real and correct NECO 2017 Fishery free expo runz runs ans answers online for freee see free answers online. NECO 2017 Fishery expo 2017/2018 NECO Free Fishery Obj and theory Answers have been posted Fishery 2017 NECO EXAMINATION EXPO/ANSWER RUNZ RUNS OBJECTIVES and ESSAY. KINDLY COMMENT “ I NEED IT ” IN THE COMMENT BOX BELOW. REAL NECO Geography QUESTIONS & ANSWERS Direct To … RE: 2017/2018 NECO SSCE Fishery (Expo) NECO 2017/2018 certified Fishery questions and answers NECO MAY JUNE 2017 Fishery THEORY / OBJ QUESTION AND EXPO I need NECO Ssce free expo site, how can I get the answer for, Congratulation to Those who Sub For Previous Subjects and Received KINDLY COMMENT “ I NEED IT ” IN THE COMMENT BOX BELOW. Their Answers 6 Hours before Exam Fishery. NECO Fishery expo, 2017 NECO Fishery, NECO Fishery ans, answers/questions Fishery NECO 2017 Fishery Obj And Theory Answers – June/July Expo Fishery..