Concept:
Establishing a livestock enterprise requires systematic planning, where proper decision-making at the initial stage determines long-term success.
Step 1: Importance of Planning
• Every enterprise must begin with a feasibility assessment.
• Resources such as land, capital, labor, and infrastructure must be considered.
Step 2: Selecting Enterprise Type (Option B)
• Based on:
• Available resources
• Climatic suitability
• Market demand
• Ensures sustainability and profitability
Step 3: Why Other Options Are Incorrect
Option (A)
• Marketing comes after production planning
Option (C)
• Buying animals without planning leads to failure
Option (D)
• Labor hiring is a later step
Final Conclusion:
\[
\boxed{\text{Option (B)}}
\]