NECO 2024 PRACTICAL ANIMAL HUSBANDRY ANSWER


(1a)
(PICK ANY THREE)
(i) Selection of eggs
(ii) Egg storage
(iii) Cleaning the incubator
(iv) Setting temperature
(v) Humidity control
(vi) Checking the turning mechanism

(1b)
(PICK ANY THREE)
(i) It is a rich source of protein and other essential nutrients
(ii) It can provide a significant source of income for farmers.
(iii) The shells are used to enrich the compost with calcium and other minerals.
(iv) It used in the production of vaccines and other medical products.
(v) It is used in baking, cooking, and food processing industries.

(1c)
Egg Trays

(1d)
(PICK ANY TWO)
(i) Hand Milking
(ii) Machine Milking
(iii) Vacuum Pump Milking

(1e)
(PICK ANY THREE)
(i) Ensure udder and teats are clean to prevent contamination.
(ii) Use sanitized milking equipment to avoid introducing bacteria into milk.
(iii) Handle animal gently to avoid stress affecting milk production.
(iv) Regularly check animals' health for signs of infections.
(v) Cool milk immediately, store in sanitized containers to prevent spoilage.

(1f)
(PICK ANY TWO)
(i) cheese
(ii) butter
(iii) yogurt
(iv) cream

(1g)
(PICK ANY TWO)
(i) To swat away flies and other insects.
(ii) To signal and communicate with other animals.
(iii) To aid in balance and movement.
(iv) To help regulate body temperature by flicking the tail.

(1h)
(PICK ANY TWO)
(i) Banding
(ii) Cutting
(iii) Cauterizing
(iv) Docking Shears

(1i)
(PICK ANY TWO)
(i) To reduce manure and urine accumulation which improves cleanliness.
(ii) To facilitate hygienic milking by preventing tail from contaminating the equipment.
(iii) Prevent tail injuries from stepping or equipment entanglement.
(iv) Control disease and parasite spread in dirty tails.

=============================

(2a)
Pennisetum purpureum

(2b)
D - Forage feeds
F - Concentrate feeds

(2c)
(PICK ANY ONE)
(i) Stem Cuttings
(ii) Root Splitting
(iii) Seed Propagation

(2d)
(PICK ANY FOUR)
(i) It is about 3-4 meters tall
(ii) The stems are thick and robust, resembling bamboo in structure.
(iii) The leaves are long, broad, and spear-shaped with rough, toothed edges.
(iv) There are fibrous roots present, indicating a strong and extensive root system.
(v) The foliage is vibrant green.
(vi) There are flowering tops with feathery seed heads.
(vii) The bases of the leaves are covered with fine hairs.

(2e)
(PICK ANY ONE)
(i) For lowering of pH
(ii) Improving fermentation

(2f)
(PICK ANY TWO)
(i) Concrete troughs
(ii) Plastic troughs
(iii) Metal troughs
(iv) Wooden troughs
(v) Rubber troughs

(2g)
(PICK ANY TWO)
(i) Ensuring troughs are cleaned regularly to prevent buildup of dirt and mold.
(ii) Regularly checking for cracks, leaks, or corrosion to maintain structural integrity.
(iii) Ensuring troughs are level and stable to prevent feed wastage.
(iv) Sanitizing troughs to maintain hygienic conditions and prevent disease transmission.

(2h)
(PICK ANY TWO)
(i) It reduces spillage and waste of feed.
(ii) It keeps feed clean and prevents contamination.
(iii) It provides easy access to feed for livestock.
(iv) It promotes efficient feeding routines and management

(2i)
Protein

(2j)
(PICK ANY FOUR)
(i) Muscle growth and repair
(ii) Enzyme production
(iii) Hormone production
(iv) Antibody production
(v) Transport and storage
(vi) Energy production

============================

(3a)
(PICK ANY TWO)
(i)
G: Leaf-shaped or flattened
H: Ribbon-like

(ii)
G: Smaller
H: Larger

(iii)
G: Generally lacks segmentation
H: Composed of multiple segments

(iv)
G: Oral and ventral suckers
H: Hooks and suckers (scolex)

(3b)
G:
(PICK ANY TWO)
(i) Sheep
(ii) Cattle
(iii) Deer
(iv) Humans

H:
(PICK ANY TWO)
(i) Cattle
(ii) Pigs
(iii) Dogs
(iv) Humans

(3c)
(PICK ANY THREE)
(i) Liver damage
(ii) Reduced production of meat or milk
(iii) It causes anemia
(iv) It causes reduced fertility

(3d)
(PICK ANY THREE)
(i) Improving drainage in fields
(ii) Rotate grazing areas to avoid overgrazing
(iii) Preventing access of animals to areas with high snail populations
(iv) Administer antiparasitic treatments to livestock to prevent maturity and reproduction
(v) Maintain clean and dry housing conditions to reduce exposure to contaminated water

(3e)
(PICK ANY FOUR)
(i) Weight loss
(ii) Diarrhea
(iii) Poor growth or reduced productivity
(iv) Visible segments in feces
(v) Abdominal discomfort or bloating

(3f)
(PICK ANY TWO)
(i) Intestines
(ii) Liver
(iii) Muscles
(iv) Lungs
(v) Brain







NECO 2024 PRACTICAL FISHERIES ANSWER



(1ai)
A - Catfish
B - Red-bellied tilapia
C - Tiger fish
D - African pike

(1aii)


(1aiii)
-Similarities-
(PICK ANY SIX)
(i) Both are fish species.
(ii) Both have gills for respiration.
(iii) Both have scales on their bodies.
(iv) Both have anal and dorsal fins.
(v) Both have a lateral line.
(vi) Both are found in freshwater environments.
(vii) Both have a streamlined body shape.
(viii) Both are important food sources.

DIFFERENCES:
-Specimen A-
(PICK ANY TWO)
(i) Has a flat, smooth skin with no scales.
(ii) Has a long, narrow body.
(iii) Has a large, bony head.
(iv) Has barbels (sensory whiskers) around its mouth.
(v) Feed omnivorously.

-Specimen B-
(PICK ANY TWO)
(i) Has small, round scales covering its body.
(ii) Has a shorter, more rounded body.
(iii) Has a small, rounded head.
(iv) Has no barbels around its mouth.
(v) Feed herbrivorously.

(1bi)
-Types of scale possessed-
B - Ctenoid scales
C - Cycloid scales

-Shape of tail fin possessed-
B - Rounded tail fin
C - Forked tail fin

(1bii)
(PICK ANY TWO)
(i) Formalin preservation
(ii) Glycerol preservation
(iii) Freezing
(iv) Drying
(v) Salting
(vi) Alcohol preservation

============================

(2a)
E - Spear
F - Basket
G - Scoop Net
H - Plankton net

(2bi)
(PICK ANY THREE)
(i) Both are used for collecting aquatic organisms.
(ii) Both are hand-held devices.
(iii) Both are made of mesh.
(iv) Both require regular maintenance and cleaning.
(v) Both are used in water sampling.
(vi) Both can cause damage to aquatic organisms if not used properly.

(2bii)
(PICK ANY THREE)
(i) Inspect the spear for damages regularly.
(ii) Sharpen the spear if it becomes dull.
(iii) Store the spear in a dry place when not in use.
(iv) Use the spear responsibly and carefully.
(v) Clean and disinfect the spear after each use to prevent the spread of diseases.
(vi) Report any damages or accidents to the appropriate authorities.

(2biii)
(PICK ANY TWO)
(i) Bamboo
(ii) Rattan
(iii) Plastic
(iv) Willow
(v) Fabric
(vi) Wire mesh

============================

(3ai)
I - Weighing scale
J - Measuring tape
K - Aquarium

(3aii)
I:
(PICK ANY ONE)
(i) It is used to measure the weight of fish caught.
(ii) It is used to ensure fish are sorted according to weight categories.

J:
(PICK ANY ONE)
(i) It is used to measure the size of fish caught.
(ii) It is used to ensure fishing nets comply with legal mesh size regulations.

K:
(PICK ANY ONE)
(i) It is used to create a controlled environment for keeping and displaying aquatic animals and plants.
(ii) It is used for educational purposes, allowing people to learn about marine life and ecosystems.

(3aiii)
J:
(PICK ANY THREE)
(i) Ensure the weighing scale is calibrated for accurate measurements.
(ii) Keep the weighing platform clean to avoid inaccuracies.
(iii) Place the scale on a flat, stable surface.
(iv) Do not exceed the scale's maximum weight limit.
(v) Use the scale in a stable temperature environment to prevent fluctuations.

J:
(PICK ANY THREE)
(i) Ensure the tape is not twisted or damaged.
(ii) Keep the tape straight and taut for accurate measurements.
(iii) Avoid using the tape on hot surfaces to prevent warping.
(iv) Retract the tape slowly to avoid injury.
(v) Store the tape in a dry place to prevent rusting or damage.

(3bi)
(PICK ANY FIVE)
(i) Water quality management
(ii) Feeding management
(iii) Tank maintenance
(iv) Health monitoring
(v) Aquascaping
(vi) Species compatibility
(vii) Quarantine procedures

(3bii)
(PICK ANY FOUR)
(i) Calibrate the scale regularly for accuracy.
(ii) Keep the scale clean to prevent measurement errors.
(iii) Handle the scale gently to avoid damage.
(iv) Use the scale on a stable surface for precise readings.
(v) Do not overload the scale to prevent malfunction.
(vi) Store the scale in a dry place to maintain its condition.

(3biii)
(i) Glass
(ii) Acrylic

(3c)
(PICK ANY TWO)
(i) Inches (in)
(ii) Feet (ft)
(iii) Centimeters (cm)
(iv) Meters (m)