SECTION A
QUESTION 1

1.1

1.1.1 C ๐Ÿ—ธ๐Ÿ—ธ
1.1.2 B ๐Ÿ—ธ๐Ÿ—ธ
1.1.3 D ๐Ÿ—ธ๐Ÿ—ธ
1.1.4 B ๐Ÿ—ธ๐Ÿ—ธ
1.1.5 C ๐Ÿ—ธ๐Ÿ—ธ
1.1.6 D ๐Ÿ—ธ๐Ÿ—ธ
1.1.7 A ๐Ÿ—ธ๐Ÿ—ธ
1.1.8 B ๐Ÿ—ธ๐Ÿ—ธ
1.1.9 A ๐Ÿ—ธ๐Ÿ—ธ
1.1.10 D ๐Ÿ—ธ๐Ÿ—ธ

(10 x 2) (20)

1.2
1.2.1 B only ๐Ÿ—ธ๐Ÿ—ธ
1.2.2 A only ๐Ÿ—ธ๐Ÿ—ธ
1.2.3 None ๐Ÿ—ธ๐Ÿ—ธ
1.2.4 A only ๐Ÿ—ธ๐Ÿ—ธ
1.2.5 Both A and B ๐Ÿ—ธ๐Ÿ—ธ
(5 x 2) (10)

1.3
1.3.1 Concentrates ๐Ÿ—ธ๐Ÿ—ธ
1.3.2 Zoonotic ๐Ÿ—ธ๐Ÿ—ธ
1.3.3 Meiosis ๐Ÿ—ธ๐Ÿ—ธ
1.3.4 Hermaphroditism ๐Ÿ—ธ๐Ÿ—ธ
1.3.5 Cryptorchidism ๐Ÿ—ธ๐Ÿ—ธ
(5 x 2) (10)

1.4
1.4.1 Fodder flow / Feed flow ๐Ÿ—ธ
1.4.2 Endemic ๐Ÿ—ธ
1.4.3 Acrosome ๐Ÿ—ธ
1.4.4 Dystocia ๐Ÿ—ธ
1.4.5 Infertility ๐Ÿ—ธ (5 x 1)
(5)
TOTAL SECTION A: 45

SECTION B
QUESTION 2: ANIMAL NUTRITION

2.1 A representation of the alimentary canal of a farm animal
2.1.1 Classification of the alimentary canal of farm animals

  • DIAGRAM A: Ruminants ๐Ÿ—ธ
  • DIAGRAM B: Non-ruminants ๐Ÿ—ธ (1)

2.1.2 Identification of letters

  • E: Crop ๐Ÿ—ธ(1)
  • J: Oesophagus ๐Ÿ—ธ(1)

2.1.3 Identification of the alimentary canal of a young ruminant
DIAGRAM C ๐Ÿ—ธ (1)

2.1.4 Justification

  • Very large abomasum compared to rumen ๐Ÿ—ธ
  • Presence of oesophageal groove ๐Ÿ—ธ
  • Under-development of fore stomach ๐Ÿ—ธ (Any 1 x 1) (1)

2.1.5 Identification of the letters:

  • ย H ๐Ÿ—ธ(1)
  • F ๐Ÿ—ธ(1)
  • A ๐Ÿ—ธ(1)

2.2 Schematic representation of types of feeds
2.2.1 Roughages ๐Ÿ—ธ (1)
2.2.2 Concentrates ๐Ÿ—ธ (1)
2.2.3 Silage/soilage/green lucerne/green forage ๐Ÿ—ธ (Any 1 x 1) (1)
2.2.4 Maize meal/oatmeal/barley meal/rye meal/sorghum meal ๐Ÿ—ธ (Any 1 x 1) (1)

2.3 Deficiency diseases:
2.3.1 Goitre ๐Ÿ—ธ (1)
2.3.2 Excessive bleeding/Poor blood clotting ๐Ÿ—ธ (1)
2.3.3 Parakeratosis ๐Ÿ—ธ(1)

2.4 Energy production in farm animals
2.4.1 Units to express energy.

Joules (j)/Kilojoules (Kj) ๐Ÿ—ธ (1)

2.4.2 TWO important uses of Net Energy

  • Maintenance ๐Ÿ—ธ
  • Production ๐Ÿ—ธ (2)

2.4.3 TWO purposes of calculating energy value of feed

  • ย To determine animalโ€™s diet ๐Ÿ—ธ
  • To determine feeding standards ๐Ÿ—ธ
  • To formulate rations ๐Ÿ—ธ (Any 2 x 1) (2)

2.5 Compounding rations
2.5.1 The Pearson square calculation
(Barley meal): 9% 23 ๐Ÿ—ธ (parts) (39 โ€“ 16 = 23)
agr sci qa 2.5
16% ๐Ÿ—ธ
(Soya oilcake meal):39% 7 ๐Ÿ—ธ (parts) (16 โ€“ 9 = 7)
The ratio of barley meal to soya oilcake meal is 23 : 6 ๐Ÿ—ธ(4)

2.5.2 Percentage of soya oilcake meal
23 + 7 = 30 ๐Ÿ—ธ
7/30 x 100 ๐Ÿ—ธ
23,3% ๐Ÿ—ธ
(3)
2.6
Calculating coefficient of digestibility of the hay
Dry feed intake:
10/100 x 15 kg = 1,5 kg therefore, 15 kg โ€“ 1,5 kg = 13,5 kg ๐Ÿ—ธ
Dry material intake (kg) โ€“ Dry mass of manureย  ย  xย  ย 100ย 
ย  ย Dry material intake (kg)ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  ย  1 ๐Ÿ—ธ

ย  ย  13,5 kg โ€“ 3 kgย ย x 100 ๐Ÿ—ธ
ย  ย  ย  ย  13,5 kgย 
77,8% ๐Ÿ—ธ๐Ÿ—ธ
(5)
2.7 TWO importance fodder flow

  • Safe use of resources ๐Ÿ—ธ
  • Meeting the animalโ€™s requirements ๐Ÿ—ธ
  • For positive margin over feed costs ๐Ÿ—ธ
  • Allowing livestock enterprise to run smoothly / Manageability / Flexible management ๐Ÿ—ธ
    (Any 2 x 1) (2)
    [35]

QUESTION 3: ANIMAL PRODUCTION, PROTECTION AND CONTROL
3.1 Animal production systems
3.1.1 Identification production systems

  • FARMER A: Extensive production system ๐Ÿ—ธ
  • FARMER B: Intensive production system ๐Ÿ—ธ (2)

3.1.2 Justification for QUESTION 3.1.1

FARMER A: Extensive production system

  • Few animals occupied a large area/low density/low stocking rate ๐Ÿ—ธ
  • Low capital investment ๐Ÿ—ธ
  • Low output per unit area ๐Ÿ—ธ (Any 1 x 1)
    (1)

FARMER B: Intensive production system

  • Many animals in small area/high population density ๐Ÿ—ธ
  • High capital investment/high inputs ๐Ÿ—ธ
  • High output per unit area ๐Ÿ—ธ (Any 1 x 1)
    (1)

3.1.3 Differentiation between subsistence and commercial farming systems

Subsistence farming
Farming in small quantities to meet the needs of the family and sell the surplus ๐Ÿ—ธ
(1)

Commercial farming
Farming in large quantities in order to make profit ๐Ÿ—ธ
(1)

3.2 THREE measures to reduce heat stress in cattle under intensive production conditions

  • Provision of shelter ๐Ÿ—ธ
  • Use of air conditioners/Misting/Fans ๐Ÿ—ธ
  • ย Provision of enough water ๐Ÿ—ธ (Any 3 x 1) (3)

3.3 Identification of parts of the animalโ€™s space

3.3.1 Flight zone: PART C ๐Ÿ—ธ (1)
3.3.2 Blind spot: PART A ๐Ÿ—ธ (1)
3.3.3 Point of balance: PART B ๐Ÿ—ธ (1)

3.4 Animal handling
3.4.1 Identification of the equipment labelled A

Plywood board ๐Ÿ—ธ (1)

3.4.2 THREE reasons for handling pigs by farmers

  • ย Vaccination ๐Ÿ—ธ
  • Marking ๐Ÿ—ธ
  • Dosing ๐Ÿ—ธ
  • Selection for breeding ๐Ÿ—ธ
  • Marketing/Shows ๐Ÿ—ธ
  • Reproductive processes/Mating/AI/ET/NT ๐Ÿ—ธ
  • Giving birth ๐Ÿ—ธ
  • Sanitation/cleaning ๐Ÿ—ธ
  • ย Hoof trimming ๐Ÿ—ธ
  • Health examination ๐Ÿ—ธ
    (Any 3 x 1) (3)

3.5 Equipment used on the farm.
3.5.1 Name of the management practice

  • Castration ๐Ÿ—ธ (1)

3.5.2 Suitability of the tools

  1. ย Adult farm animals: DIAGRAM B ๐Ÿ—ธ (1)
  2. Younger farm animals: DIAGRAM A ๐Ÿ—ธ (1)

3.6 Scenario
3.6.1 Name of the disease

  • Rift Valley Fever (RVF) ๐Ÿ—ธ (1)

3.6.2 Identification

  1. ย Vector: Mosquito ๐Ÿ—ธ (1)
  2. Pathogen: Virus ๐Ÿ—ธ (1)

3.6.3 Extract from the scenario

If a farmer suspects that some animals are infected, authorities should be alerted immediately/Reporting to authorities when suspecting infection ๐Ÿ—ธ (Any 1 x 1)
(1)

3.6.4 Suggest TWO economic implications of animal diseases to the farmer

  • Banning of exports and imports/Decrease in international trade ๐Ÿ—ธ
  • Decreased production/loss of income ๐Ÿ—ธ
  • High treatment/vaccination costs to control/prevent diseases ๐Ÿ—ธ (Any 2 x 1)
    (2)

3.7 Schematic representation for the life cycle of a parasite.

3.7.1 Identification of the parasite

  • Blowfly ๐Ÿ—ธ (1)

3.7.2 Indication of the most harmful stage in the life cycle

  • Larval stage ๐Ÿ—ธ (1)

3.7.3 Identification of the condition that cause wounds

  • Blowfly strike/attack ๐Ÿ—ธ (1)

3.7.4 Term used for the removal of wool around the tail

  • Crutching ๐Ÿ—ธ (1)

3.7.5 THREE non-chemical management practices

  • Tail docking ๐Ÿ—ธ
  • Lipping and cleaning of wounds ๐Ÿ—ธ
  • Correct timing of shearing and crutching ๐Ÿ—ธ
  • Lambing time after shearing ๐Ÿ—ธ
  • Breeding and selection of resistant breeds ๐Ÿ—ธ (Any 3 x 1) (3)

3.8 Indication of roles

  1. Import and export bans: State ๐Ÿ—ธ (1)
  2. Research: State ๐Ÿ—ธ (1)
  3. Sanitation: Farmer ๐Ÿ—ธ (1)
    [35]

QUESTION 4: ANIMAL REPRODUCTION
4.1 The reproductive system of a cow and a bull
4.1.1 Identification of parts

  • F: Urethra ๐Ÿ—ธ
  • G: Uterus/Uterine body ๐Ÿ—ธ
  • K: Oviduct/Fallopian tubes ๐Ÿ—ธ (3)

4.1.2 Matching the functions with a letter

  1. H ๐Ÿ—ธ (1)
  2. K ๐Ÿ—ธ (1)
  3. J ๐Ÿ—ธ (1)
  4. I ๐Ÿ—ธ (1)
  5. C ๐Ÿ—ธ (1)
  6. A ๐Ÿ—ธ (1)

4.2 Sperm cell
Indication of the letters

  1. D ๐Ÿ—ธ (1)
  2. C ๐Ÿ—ธ (1)
  3. B ๐Ÿ—ธ (1)

4.3 Graph
4.3.1 Bar graph

agr sci qa 4.3.1
Criteria/rubric/marking guidelines

  • Correct heading ๐Ÿ—ธ
  • X-axis โ€“ correctly calibrated with label (Species) ๐Ÿ—ธ
  • Y-axis โ€“ correctly calibrated with label (Motility and normal) ๐Ÿ—ธ
  • Correct units (%) ๐Ÿ—ธ
  • Combined bar graph
  • Accuracy (80 % and above correct plotting) ๐Ÿ—ธ
    (6)

4.3.2 Identification of the species with the highest concentration

Ram ๐Ÿ—ธ (1)

4.4 Stages of mating
4.4.1 Arranging the stages of mating sequentially

  • C ๐Ÿ—ธ
  • A ๐Ÿ—ธ
  • D ๐Ÿ—ธ
  • ย B ๐Ÿ—ธ
    (4)

4.4.2 The stage of mating not listed

  • Courtship ๐Ÿ—ธ (1)

4.4.3 Indication of the stage

  • Oestrus ๐Ÿ—ธ (1)

4.4.4 ONE sign of a cow on heat

  • Vulva is swollen with reddish mucus membranes ๐Ÿ—ธ
  • ย Mucus strings visible from the vulva ๐Ÿ—ธ
  • Jumps on other cows / allows the cows to jump on her ๐Ÿ—ธ
  • Scratch marks and dirt on the side and back ๐Ÿ—ธ
  • Allows mating with a bull ๐Ÿ—ธ (Any 1 x 1) (1)

4.5 Embryo transfer:

4.5.1 Identify of the reproduction procedure

Embryo Transfer (ET) ๐Ÿ—ธ (1)

4.5.2 Naming of the farm animal A and farm animal B

  • Farm animal A: Donor cow ๐Ÿ—ธ
  • Farm animal B: Recipient cow ๐Ÿ—ธ (2)

4.5.3 Naming of the processes C and D

  • C: Superovulation ๐Ÿ—ธ
  • D: Embryo flushing ๐Ÿ—ธ (2)

4.6 Milk production curve

4.6.1 Name of the curve

  • Lactation curve / Milk production curve ๐Ÿ—ธ (1)

4.6.2 Name of point A

  • Peak period/peak stage ๐Ÿ—ธ (1)

4.6.3 Hormones

  1. Prolactin ๐Ÿ—ธ (1)
  2. Oxytocin ๐Ÿ—ธ (1)
    [35]

TOTAL SECTION B: 105
GRAND TOTAL: 150

Last modified on Wednesday, 14 December 2022 13:01