2023 NECO Animal Husbandry (OBJ & Essay) Answers [4th August]
Get Free Live 2023 NECO June/July Animal Husbandry (A/Husbandry) OBJ & Essay Questions and Answers Free of Charge | NECO June/July Free Animal Husbandry (Objectives and Theory) Questions and Answers EXPO Room (4th August, 2023).
NECO JUNE/JULY 2023 FREE ANIMAL HUSBANDRY OBJ & ESSAY (A/HUSBANDRY) QUESTION AND ANSWER ROOM 

Friday 4th August, 2023
Animal Husbandry (Objective & Essay)
10:00am – 12:00noon
 

A. 2023 NECO ANIMAL HUSBANDRY (OBJECTIVES) ANSWERS:

1-10: CBAEDECBED
11-20: ADCEDEBAEB
21-30: ACCEEDCBEE
31-40: EEABCBCEDB

B. 2023 NECO ANIMAL HUSBANDRY (ESSAY) ANSWERS:

NOTE: You are required to answer any FOUR questions

(1a)
The estrous cycle is the rhythmic occurrence of estrus or heat in farm animals, reflecting the periodicity of their reproductive cycle. It involves hormonal and physiological changes that play a crucial role in breeding efficiency and successful reproductive management in livestock production.

(1b)
[PICK ANY TWO]
(i) Antibodies
(ii) Proteins
(iii) Vitamin A
(iv) Minerals

(1c)
(i) It develops the uterus to receive the embryo
(ii) It inhibits the production of follicle stimulating hormones
(iii) It is responsible for the implantation of the embryo in the walls of the uterus
(iv) It also prevents the ripening of more follicles and inhibits oestrus during pregnancy

(1d)
(i) There is marked enlargement of udder
(ii) Loss of appetite
(iii) The vulva becomes enlarged and reddened

(2a)
Livestock management refers to the activities carried out by a farmer in his effort to raise farm animals from day old to the point of marketing or disposing the animal.

(2bi)
Ear notching;
Notches representing coded numbers are made on the ear of the animal for identification purposes

(2bii)
Branding;
Branding is the use of hot iron with desired marking to superficially burn off the skin of the animal

(2c)
(i) Not to cause injury to the humans involved in the procedure
(ii) To handle the animal in a such a way that the procedure can be done without injuring the animal

(2d)
(i) Infection is minimised
(ii) Bloodless technique and less painful

(3a)
Soilage is freshly cut forage fed directly to farm animals, providing a continuous supply of nutritious and palatable feed, especially during seasons of limited natural pastures. It's an essential practice for maintaining animal health and productivity in livestock management.

(3b)
[IN TABULAR FORM]
Concentrates;
(i) Concentrate have low fibre content
(ii) Easily digestible

Roughage;
(i) Have high fibre content
(ii) less digestible

(3c)
[PICK ANY TWO]
(i) Poor teeth formation
(ii) Poor blood clotting
(iii) Osteomalacia
(iv) Poor nerve function

(3d)
(i) Milk
(ii) Egg

(4a) Animal improvement is the production of animals with better desirable traits of offspring over parents. This process aims to enhance productivity, disease resistance, and other important qualities in the livestock population through intentional breeding and careful management of animals.

(4b)
[PICK ANY TWO]
(i) To produce disease resistant animals
(ii) To improve the size and shape of farm animals
(iii) To produce animals that mature early
(iv) To produce farm animals with high feed conversion ratio.
(v) To produce farm animals resistant to disease and pests

(4c)
(i) Introduction
(ii) Selection
(iii) Breeding
(iv) Genetic selection

(4d)
[PICK ANY TWO]
(i) No breeding males are needed
(ii) The spread of sexually transmitted diseases is minimised
(iii) It increases the efficiency of using outstanding males
(iv) It eliminates the cost of buying and keeping bulls on dairy farms

(5a)
[PICK ANY TWO]
(i) Prevent animals from grazing early in the morning
(ii) Controlled burning of infested pasture
(iii) Adopting rotation of pasture or rotational grazing

(5b)
(i) They cause body irritation in animals
(ii) Act as a vector of diseases such as redheart and redwater diseases.

(5ci)
(i) Bacterium (Bacillus anthracis); Anthrax disease in cattle is caused by the bacterium Bacillus anthracis. This bacterium is spore-forming and poses a significant threat to cattle health. The spores produced by Bacillus anthracis are highly resistant and can survive for long periods in the environment, making it a persistent risk for cattle.

(5cii)
[PICK ANY TWO]
(i) Sudden death of infected animals without any sign of illness: This is a key symptom of Anthrax in cattle. Animals may appear healthy one moment, and then suddenly die without showing any prior signs of illness.
(ii) Difficulty in breathing and rapid, labored respiration: Cattle affected by Anthrax may exhibit respiratory distress, with breathing becoming difficult and accelerated as the disease progresses.
(iii) Animal collapses: Another symptom of Anthrax in cattle is the occurrence of collapse. As the disease progresses, affected animals may become weak and eventually collapse due to the severity of the illness.
(iv) There is absence of houseflies on the carcass: An interesting symptom of Anthrax-infected carcasses is the absence of houseflies. The bacteria that cause Anthrax, Bacillus anthracis, produce toxins that prevent the growth of maggots and houseflies, resulting in a noticeable lack of these insects around the carcass.

(5ciii)
[PICK ANY TWO ONLY]
(i) Through inhalation of bacterial spores: Cattle can contract Anthrax by inhaling the spores present in contaminated air. This usually occurs when they graze in areas where infected animals have left spores on the ground or when they are exposed to contaminated materials. When the spores are inhaled, they can enter the respiratory system, leading to infection.
(ii) Through water, feed, or pasture: Cattle can ingest Anthrax spores by consuming contaminated water, feed, or pasture. The bacterium Bacillus anthracis can survive in the soil for extended periods, and when cattle graze in such areas, they may inadvertently pick up the spores, leading to infection. Similarly, if cattle drink from water sources contaminated with Anthrax spores, they can become infected.
(iii) May also be picked up from the soil: Anthrax spores can persist in the soil for many years. When cattle come into contact with contaminated soil, the spores can adhere to their bodies and subsequently be ingested or inhaled, causing infection.
(iv) Through contact with contaminated wool, skin, and hide: Anthrax can be transmitted to cattle through contact with materials that have been contaminated with the spores. This includes contaminated wool, skin, and hides from infected animals. If cattle come into contact with these materials, the spores can enter their system and cause infection.

(5iv)
[PICK ONE ONLY]
(i) Vaccination: Vaccinating all susceptible animals, such as cattle, annually with an appropriate Anthrax vaccine is a critical control measure. The vaccine helps build immunity against the disease, reducing the likelihood of outbreaks and protecting the herd.
(ii) Proper disposal of carcasses: When an animal dies from Anthrax, its carcass must be handled carefully to prevent further contamination. Carcasses should be buried deep or incinerated to eliminate the spores.
(iii) Biosecurity and movement control: During an Anthrax outbreak, it is crucial to implement strict biosecurity measures on the farm. Avoid transporting animals from affected areas to other regions and vice versa to prevent the spread of the disease.

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