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QUESTION 3 (A) In dairy production, what do you understand by the term ‘lactation cycle’? (1 Mark) (B)...

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Biology

QUESTION 3

(A) In dairy production, what do you understand by the term‘lactation cycle’? (1 Mark)

(B) Mention the four (04) phases of the lactation cycle andhighlight the specific time periods when these phases occur indairy cows (4 Marks)

(C) Explain how milk production varies in the different phasesof the lactation cycle (4 Marks)

(D) Relate the milk production to the feed intake and bodyweight of the dairy cow during the four phases of the lactationcycle (8 Marks)

(E) Briefly explain the term ‘negative energy balance’ and whendoes this normally happen in dairy cows (2Marks)

(F) What is the recommended time of servicing the dairy cowduring her lactation cycle?

Answer & Explanation Solved by verified expert
3.8 Ratings (644 Votes)
Question A Lactation period is the duration during which a cow produces milk This period begin after the birth of calf and last for approximately 305 days B The four phases of lactation cycle are I Early period this period last for 120 days II Midperiodthis    See Answer
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