Question

Given below are two statements:
Statement (I) : Cessation of estrous, alteration in temperament and fattening tendency are some usual signs of pregnancy in heifers.
Statement (II) : Gestation period in buffaloes is 280 to 285 days.
In light of the above statements, choose the most appropriate answer from the options given below.

• A. Both Statement (I) and Statement (II) are correct.
• B. Both Statement (I) and Statement (II) are incorrect.
• C. Statement (I) is correct but Statement (II) is incorrect.
• D. Statement (I) is incorrect but Statement (II) is correct.

Hint:

Keep these gestation periods in mind: - Cow: \(282\) days
- Buffalo: \(310\) days
- Ewe/Doe: \(150\) days

Answer 1

The Correct Option is C

Step 1: Understanding the Concept:
This question looks at physical indicators of pregnancy in livestock and the differences in gestation length between ruminant species.

Step 2: Detailed Explanation:
Statement (I) describes the signs of pregnancy in heifers.
When a heifer conceives, progesterone secreted by the corpus luteum keeps her from returning to heat (cessation of the estrous cycle).
The presence of progesterone also makes pregnant heifers calmer and more docile.
Additionally, the hormones of pregnancy improve feed efficiency, causing the heifer to lay down more body fat.
Therefore, Statement (I) is correct.
Statement (II) states the gestation length of buffaloes.
The gestation period of dairy cows is \(280\) to \(285\) days.
However, the gestation period of buffaloes (both river and swamp types) is longer, averaging about \(310\) days (ranging from \(305\) to \(315\) days).
Therefore, Statement (II) is incorrect.

Step 3: Final Answer:
Statement (I) is correct but Statement (II) is incorrect.