1. What is Feed Conversion Ratio (FCR)?

Definition: FCR measures how efficiently an animal converts feed into body weight.

Purpose: It helps farmers and livestock producers evaluate feed efficiency and production costs.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( FCR \) — Feed Conversion Ratio (dimensionless)
• \( F \) — Feed consumed (kilograms, kg)
• \( W \) — Weight gain (kilograms, kg)

Explanation: Lower FCR values indicate better feed efficiency (less feed needed per unit of weight gain).

3. Importance of Feed Conversion Efficiency

Details: Efficient feed conversion reduces production costs, improves profitability, and enhances sustainability in livestock operations.

4. Using the Calculator

Tips: Enter the total feed consumed and the animal's weight gain during the same period. Both values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: What is a good FCR value?
A: It varies by species. For broiler chickens, 1.6-1.8 is excellent; for pigs, 2.5-3.0 is typical; for cattle, 6.0-8.0 is common.

Q2: How can I improve my FCR?
A: Through better nutrition, genetics, health management, and optimal housing conditions.

Q3: Does FCR change with animal age?
A: Yes, FCR typically worsens (increases) as animals mature.

Q4: What's the difference between FCR and feed efficiency?
A: Feed efficiency is the inverse (W/F) and represents weight gain per unit of feed.

Q5: Should I measure FCR for individual animals or groups?
A: Group measurements are more practical for commercial operations, while individual measurements are valuable for genetic selection.