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SNH611S - SUSTAINABLE NON RUMINANT HUSBANDRY - 2ND OPP - JAN 2023 |
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nAmlBIA unlVERSITY
OF SCIEnCE Ano TECHnOLOGY
FACULTYOF HEALTH,NATURAL RESOURCESAND APPLIEDSCIENCES
DEPARTMENT OF AGRICULTURE AND NATURAL RESOURCESSCIENCES
QUALIFICATION: BACHELOROF SCIENCEIN AGRICULTURE
QUALIFICATION CODE: 07BAGA
LEVEL: NQF LEVEL6
COURSECODE: SHN611S
COURSE NAME: SUSTAINABLENON RUMINANT
HUSBANDRY
DATE: JANUARY 2023
DURATION: 3 HOURS
MARKS: 100
SECONDOPPORTUNITY/SUPPLEMENTARY EXAMINATION QUESTION PAPER
EXAMINER:
DR HIMA R. AMWELE
MODERATOR: MRS LUCIATUYENI-KELAOKAFIDI
INSTRUCTIONS
1. Answer all questions
2. Number the answers clearly
3. Report all your answers to the correct significant figures
THIS MARKING SCHEME CONSISTS OF 2 PAGES (Excluding this front page)
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T\\
Question 1
State whether the following statements are true or false:
a) Caudal fin are used for braking.
(2)
b) The unpaired dorsal and anal fins are used for steering and turning especially at high
speed.
(2)
c) The unpaired Pectoral fin is used for propulsion (acceleration).
(2)
d) In viviparous development, the female releases eggs and the developing embryo is
nourished by a yolk sac.
(2)
e) Some fishes that have internal fertilization are ovoviviparous and the female retains
fertilized eggs in her body.
(2)
f) Oviparous development occurs in some fishes with internal fertilization and the fertilized
eggs are retained and develop within the female's ovary or uterus.
(2)
[12]
Question 2
2.1 How to disinfect the fish ponds at the bottom?
(6)
2.2 Give two examples of common symptoms of bacterial, fungal and parasitic infections of
fish diseases?
(6)
[12]
Question 3
Give and explain 5 stimulants that positively affect the spawning cues in fish.
(10)
Question 4
Explain the following water quality parameters to be considered in aquaculture production?
a) Carbon dioxide
(5)
b) Ammonia
(5)
Question 5
What are the three conditions of sperms as indicated by A, Band C?
(3)
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Question 6
a) At what age does the gilts reaches the puberty?
(2)
b) What is the recommended body weight for the gilt at puberty?
(2)
c) What is the length of a sow estrus cycle?
(2)
d) What is the duration of estrus (heat)?
(2)
e) At what time does ovulation begin?
(2)
[10]
Question 7
7.1 What are the three signals indicating that the sow is about to give birth?
(3)
7.2 What are the 2 management techniques which can assist the piglets to survival well?(lO)
Question 8
What are the 4 most important aspects considered when determining pig meat quality?
(8)
Question 9
Restructure all poultry diseases to correspond with their pathogen and organisms that
causes them.
(10)
Pathogen
Bacterial
Diseases
Fowl Typhoid
Organisms
Herpes
Bacterial
Marek's
Pasteurella multocida
Viral
Blackhead
Histomonas meleagridis
Protozoan
Fowl Typhoid
Salmonella gallinarum
Question 10
Define the following terms
Body weight increase/ gain
Specific growth rate
Feed conversion ratio
Protein Efficiency Ratio (PER)
Condition Factor (CF)
Survival rate
(2)
(2)
(2)
(2)
(2)
(2)
[12]
Total: .......................................................................................................................................... (100]
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nAmlBIA unlVERSITY
OF SCIEnCE Ano TECHnOLOGY
FACULTY OF HEALTH, NATURAL RESOURCESAND APPLIED SCIENCES
DEPARTMENT OF AGRICULTURE AND NATURAL RESOURCES SCIENCES
QUALIFICATION: BACHELOROF SCIENCEIN AGRICULTURE
QUALIFICATION CODE: 07BAGA
COURSE CODE: SHN721S
LEVEL: NQF LEVEL7
COURSE NAME: SUSTAINABLENON RUMINANT
HUSBANDRY
DATE: JANUARY 2023
DURATION: 3 HOURS
MARKS: 100
SECOND OPPORTUNITY/SUPPLEMENTARY EXAMINATION QUESTION PAPER
EXAMINER:
DR HIMA R. AMWELE
MODERATOR: MRS LUCIATUYENI-KELAOKAFIDI
INSTRUCTIONS
1. Answer all questions
2. Number the answers clearly
3. Report all your answers to the correct significant figures
THIS MARKING SCHEME CONSISTSOF 2 PAGES (Excluding this front page)
0