NECO Animal Husbandry (Objective & Essay) Questions and Answers 2025 (11th July)
NECO Animal Husbandry OBJ 2025
01-10: CBEAACECCC
11-20: EEECCBBDBE
21-30: BCACBCCEBA
31-40: DCADEEAAAC
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NECO Animal Husbandry Essay 2025
Number 1
(1ai)
(i)Diaphragm relaxation and upward movement
(ii)External intercostal muscle relaxation
(1aii)
(i)Gaseous exchange
(ii)Thermoregulation
(1b)
(i)Kidneys: Urea, excess water, and mineral salts (excreted as urine).
(ii)Lungs: Carbon dioxide and water vapor (exhaled).
(iii)Skin: Water and mineral salts (excreted as sweat in some animals).
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Number 2
(2a)
Castration is the removal or inactivation of the testicles in male animals, primarily to prevent reproduction, improve meat quality, and manage aggressive behavior.
(2b)
(i)Hot branding
(ii)Freeze branding
(2c)
(i)When a cow consistently produces less milk than desired.
(ii)Infertility or repeated breeding failures
(iii)Chronic diseases, lameness, or mastitis that are unresponsive to treatment.
(2d)
(i)Flaying/Slaughtering
(ii)Curing/Preservation
(iii)Tannery processing/Sale
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Number 3
(3a)
Stocking rate: The stocking rate in rangeland management refers to the number of animals or animal units that can graze on a specific area of rangeland for a defined period without causing damage to the vegetation or soil.
(3aii)
(i)Rotational grazing
(ii)Efficient utilization of forage
(3b)
(i)Lactating animals:
Dairy cows, goats, or sheep producing milk.
(ii)Growing/Finishing animals:
Young animals being raised for meat production (e.g., beef cattle, pigs, broiler chickens).
(3c)
Fill The Table
-UNDER-Nutritional Disease-
(i)ketosis
(ii)perosis
-UNDER One cause-
(i)Energy deficit, especially in high-producing dairy cows
(ii)Manganese deficiency, especially in poultry
-UNDER One symptom-
(i)Loss of appetite, decreased milk production, sweet-smelling breath
(ii)Swollen hocks, difficulty walking, bowed legs
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Number 4
(4a)
(i) Progeny selection: This is a method of animal breeding where the performance of the offspring (progeny) is used to evaluate and select the parents. It is useful in improving traits like milk yield or growth rate.
(ii) Crossbreeding: Crossbreeding is the mating of animals from two different breeds to produce offspring with desirable qualities from both parents, such as increased resistance to disease or better productivity.
(4b)
(PICK ANY FOUR)
(i) Requires technical expertise.
(ii) Expensive equipment and facilities needed.
(iii) Poor heat detection may reduce success.
(iv) Risk of disease transmission if hygiene is poor.
(v) Storage of semen requires cold temperatures.
(vi) May cause low conception rate if not properly done.
(4c) Genes are segments of DNA that determine specific traits, while alleles are different versions or forms of the same gene.
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Number 5
(5a)
(i) Regular vaccination
(ii) Quarantine of infected animals
(5b)
(i) Debeaking: The partial removal of the beak of poultry birds to prevent feather pecking and cannibalism.
(ii) Deworming: The administration of drugs to eliminate internal parasites (worms) from the digestive tract of farm animals.
(5c)
(i) Virus : Newcastle disease
(ii) Bacterium : Fowl cholera
(iii) Fungus : Aspergillosis
(iv) Protozoon : Coccidiosis
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