Step 1: Understanding the Concept:
Evolution of national livestock nutrient requirement standards in India: ICAR published revised nutrient requirements of cattle, buffaloes, sheep, goats, and swine in 2013.
Step 2: Detailed Explanation:
In Indian animal nutrition standards:
- The Indian Council of Agricultural Research (ICAR) periodically establishes and updates nutrient requirement standards tailored for indigenous and crossbred livestock under tropical feeding regimes.
- The first comprehensive bulletin was published in 1985, followed by revisions in 1998.
- The latest revised and expanded official Nutrient Requirements of Cattle and Buffaloes Livestock Feeding Standards was developed and published by ICAR-NIANP in the year 2013.
Step 3: Final Answer:
Therefore, the latest feeding standard was developed by ICAR in the year 2013, corresponding to option (C).