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Ansc 334: Biotechnology In Animal Nutrition Question Paper

Ansc 334: Biotechnology In Animal Nutrition

Course:Bachelor Of Science In Animal Science

Institution: Egerton University question papers

Exam Year:2015

ANSWER ALL QUESTIONS

QUESTION ONE
Define the following terms, and give examples in each category; (8 Marks)
(a) cloning
(b) Biotechnology
(c) Competitive exclusion
(d) Mycotoxin adsorption

QUESTION TWO
(a) Using examples, illustrate how the dietary composition influences rumen
fermentation (3 Marks)
(b) Describe modification of rumen micro-flora using any three anabolic agents (6 Marks)

QUESTION THREE
Illustrate five examples of Nutritionally-Enhanced GM Feed Crops citing areas
of enhancement (5 Marks)

QUESTION FOUR
(a) Explain the role of phytic acid in poultry diets. (2 Marks)
(b) Name three reasons for use of enzymes in the feed industry (3 Marks)
(c) Apart from phytic acid, name three anti-nutritive factors and their sources
in poultry ingredients. (3 Marks)

QUESTION FIVE
Nature of feeds is a major limitation to ruminant production in sub-Saharan Africa.
(a) Describe potential target areas that can be exploited in optimizing the
partitioning of nutrients into product. (5 Marks)
(b) Enumerate the biological actions of bovine somatotrophin (5 Marks)

QUESTION SIX
(a) Name five examples of antibiotics and their use in the livestock sector. (5 Marks)
(b) Briefly describe the mode of action of antibiotics (3 Marks)
(c) Briefly discuss the current options that are available in mitigating the use of
antibiotics as growth promoters. (12 Marks)

QUESTION SEVEN
(a) Briefly describe the factors behind the current 'livestock revolution' that
has led to an increase in demand for food of animal origin. (5 Marks)
(b) Highlight the risks and concerns that are generally associated with use of
genetically modified animals. (5 Marks)

Ansc 334: Biotechnology In Animal Nutrition Question Paper

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