Waec May/June 2022 Animal Husbandry & Fisheries Answers

Waec May/June 2022 Animal Husbandry & Fisheries Answers
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    ""ANIMAL HUSBANDRY SECTION""
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    Animal-Obj!
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    Animal husbandry Answers
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    (1ai)
    Diagram

    (1aii)
    (i) It must have enough space for snails to graze freely.
    (ii) It should be able to protect snails against predators, poachers, and insect infestation.
    (iii) It must be easily accessible for carrying out management activities.
    (iv) It must be well ventilated and provided with adequate shade.

    (1aiii)
    (i) toad
    (ii) rodents
    (iii) chipmunks

    (1b)
    (i) ticks
    (ii) lice
    (iii) maggots

    (1c)
    (i) Observe all the biosecurity measures so as to prevent disease outbreaks
    (ii) Take up-to-date records of every activity and inventory on the farm.
    (iii) Give appropriate vaccines and medicines to the animals 
    (iv) Replace any damaged or expired production material with good ones.
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    (2ai)
    (i) Increases population of desirable breed
    (ii) Genetic diversity of animals is increased
    (iii) Introduced breed can bring about rapid improvement of local breed

    (2aii)
    (i) It can lead to loss of species variety.
    (ii)It does not have control over genetic mutations.
    (iii)It brings about discomfort to animals.

    (2b)
    (i) Linebreeding
    (ii) Outcrossing
    (iii) Inbreeding
    (iv) Self-pollination

    (2c)
    (i)crop plants with better yields.
    (ii)ornamental plants with particular flower shapes and colours.
    (iii)farm animals that produce more, better quality meat or wool.
    (iv)dogs with particular physiques and temperaments, suited to do jobs like herd sheep or collect pheasants.

    (2d)
    (i) It has a short beak.
    (ii) It has a bright and bulging eyes.
    (iii) It has bright red comb and wattles.
    (iv) It has a broad flexible pelvic bones.
    (v) It must have a Short clutch.
    (vi) There is absence of broodiness.

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    (3a)
    (i) Inoculation
    (ii) Dipping
    (iii) Quarantine
    (iv) Vaccination
    (v) Isolation of Animal
    (vi) Control of the vector of infection

    (3b)
    (i) Environmental Factor
    (ii) Animal Factor
    (iii) Hay

    (3ci)
    (i) it causes anaemia
    (ii) It can lead to death
    (iii) Decline in capacity to produce meat, Egg etc.
    (iv) It leads to blood losses
    (v) it causes stress on the farm animal

    (3cii)
    (i) Dipping
    (ii) Cutting down bushes
    (iii) Using Repellents containing DEET

    (3d)
    (i) Ruffled Feathers
    (ii) Bloody Diarrhea
    (iii) Weight Loss
    (iv) Depression
    (v) paleness
    (vi) Watery Diarrhea
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    (4a)
    Malnutrition is the condition in which an animal shows evidence of nutritional deficiency as a result of improper feeding. In other words It occurs when an animal takes in an insufficient quantity of feed.

    (4b)
    (i) Weeding:
    - To aid good fertility of forage crops
    - To ensure balanced ration
    (ii) Control burning:
    - To conserve soil fertility
    - To eradicate insect pest
    (iii) Irrigation:
    - To aid growth of forage
    - To increase moisture content
    (iv) Fertilisation application:
    - To aid fertility
    - To increase quality of grasses and legumes
    (v) Liming:
    - To reduce acidity of soil
    - To aid growth

    (4c)
    (i) Formation of bones and teeth
    (ii)Repair of cells and tissues

    (4d)


    ANIMAL HUSBANDRY

    (5ai)
    (i)Lung
    (ii)Heart
    (iii)Spleen

    (5aii)
    (i)Stomach
    (ii)Large Intestine
    (iii)Small intestine

    (5bi)
    (i)Inventory record
    (ii)Sales record
    (iii)Production record
    (iv)Purchase record

    (5bii)
    (i)For farm auditing
    (ii)For procurement of loan
    (iii)Wheather profit or loss is made
    (iv)For taking management decision

    (5ci)
    (i) consumption of feed
    (ii) preying farm animals
    (iii) destroying plastic equipment

    (5cii)
    (i)Use of snap traps
    (ii)use of glue board
    (iii)use of rodenticide


    ANIMAL HUSBANDRY


    (6a)
    (i) It reduces in size
    (ii) It becomes dehydrated
    (iii) It changes in color

    (6b)
    (i) Weeding:
    - To aid good fertility of forage crops
    - To ensure a balanced ration
    (ii) Control burning:
    - To conserve soil fertility
    - To eradicate insect pest
    (iii) Irrigation:
    - To aid the growth of forage
    - To increase the moisture content
    (iv) Fertilisation application:
    - To aid fertility
    - To increase the quality of grasses and legumes
    (v) Liming:
    - To reduce the acidity of the soil
    - To aid growth

    (6c)
    (i) Formation of bones and teeth
    (ii)Repair of cells and tissues

    (6d)
    Diagram
















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    ""FISHERIES SECTION""
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    Fishery-Obj!
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    Completed


    (1a)
    (i)plastic bags or 5-gallon buckets with water from the tank to
    transport your broodstock.
    (ii)Make sure the bag/bucket has enough air for your brood
    stock


    (iii)Take any plants from the tank and place them in bags with
    water from the tank to keep good bacteria on them alive.
    (iv)Try to save 80% of the water from your tank

    (1b)
    (i)to help reduce the level of shock
    (ii)To help curtail harsh weather conditions
    (iii)To reduce death rate and maximize survival

    (1c)
    (i)fertilization
    (ii)Incubation
    (iii)hatching of eggs
    (iv)Overprim

    (1d)
    (i)Eradication of predatory animals
    (ii)Eradication of insect
    (iii)Eradication of aquatic weeds
    (iv)Assessment of food in nursery

    (1e)
    (i)water level
    (ii)Level of rainfall
    (iii)Water temperature
    (iv)Turbidity
    (v)Ph level of the water

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    (2ai)
    - Trawls and dredges
    - Seine nets

    (2aii)
    - longlines
    - Traps and pots.

    (2b)
    - Use mesh rod covers when transporting your fishing rods.
    - Keep your rods straight and together while on the boat.
    - Remove any hooks or lures after fishing

    (2c)
    - The possibility of fishing in all available depths.
    - The possibility of fishing on any slope of the bottom.
    - The possibility of fishing in almost all habitats – in lake/ reservoir.

    (2d)
    - Handline
    - Yoke
    - Mesh
    - Braille lines
    - Lead lines
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    (3c)hammer mill, vertical hammer mill, water-drop crushing machine, disk mill, micro-grinding machine and ultrafine grinder.



    FISHERIES
    (6a)
    (i)Hatcheries can provide food sources to carnivorous fish,
    enabling their continued supply.
    (ii)Hatcheries allow for the replenishment of fish in sea
    waters.
    (iii)The process of running fish hatcheries is very labor-
    intensive.
    (iv) Hatcheries protect aquatic species from disappearing
    from ecosystems.

    FISHERIES
    4a . Stocking rate of a fish pond is the process of introducing
    selected, culturable, compatible, and fast-growing fish seed
    into ponds for growing

    (4b)
    (i) Total removal of the polluted water.
    (ii) Cleaning of the pond
    (iii) Growing of water plants
    (iv) Control algae growth.
    (v) Repair of leaks.

    (4ci)
    It shows that there is deficiency of oxygen and pollution of the
    water body due to algae bloom



    (4cii)
    (i) Increase in nutrient in the body of the water
    (ii) Algae outgrowth
    (iii) Oxygen deficiency
    (iv) Low light penetration

    (4ciii)
    (i) It may lead to death
    (ii) It may lead to congenital disease of the Clarias spp
    (iii) It leads restlessness of the fish due to oxygen deficiency
    (iv) It can cause loss of weight









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