Question

Which of the following statements are true:
(A). A separate sire and dam line is required for the production of commercial chicken crosses.
(B). The superiority of crosses over the average performance of their parent or over the better parent is called di-allele phenomenon.
(C). In flock mating, one male is required to mate 10-12 and 8-10 females for egg and meat type birds respectively.
(D). The ideal broiler possess a “V” shape body conformation.
Choose the correct answer from the options given below:

• A. (A), (B) and (D) only.
• B. (A) and (C) only.
• C. (B), (C) and (D) only.
• D. (A), (C) and (D) only.

Hint:

- Hybrid Vigor Heterosis: Superiority of crosses over parents.
- Layer body shape: Wedge/V-shape (associated with reproductive capacity).
- Broiler body shape: Blocky/U-shape (associated with meat yield).
- Male-to-female ratio: 1:10--12 for layers and 1:8--10 for broilers.

Answer 1

The Correct Option is B