Topics: Animal Refresher, Poultry Science

Total Feed Requirement During Laying Period

Total feed requirement during laying period (21–72 weeks) is:

18 kg
25 kg
40 kg
50 kg

Total Feed Requirement During Laying Period

Total feed requirement during laying period (21–72 weeks) is:

Options

18 kg
25 kg
40 kg ✓
50 kg

Correct Answer: C

Explanation in English

Correct Answer: 40 kg

During the full laying period from 21 to 72 weeks of age, a layer hen consumes a total of approximately 40 kg of feed.

Calculation Basis

Duration: 72 − 21 = 51 weeks = 357 days
Daily consumption: 110 g/day
Total = 357 × 110 g ≈ 39.27 kg ≈ 40 kg

Layer Ration Requirements (BIS 2007)

Parameter	Layer Phase I	Layer Phase II
CP% (min)	18%	16%
Ca% (min)	3.0%	3.5%
ME (kcal/kg)	2600	2400
Salt% (max)	0.5%	0.5%

High calcium (3–3.5%) is essential in layer diets for proper egg shell formation (shell = ~94% calcium carbonate).

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This multiple choice question is from Animal Refresher, Poultry Science. It has 4 options with a detailed explanation of the correct answer. Practice more MCQs from Animal Refresher to strengthen your preparation.

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