Agriculture & Farming - Daily Ration Calculator

1. The Ingredient Information

  1. Barley: (DM: 88% | Protein: 12.5%)
  2. Silage: (DM: 35% | Protein: 8.1%)
  3. Soybean Meal: (DM: 90% | Protein: 48.0%)

2. Livestock Feed Allocation

Item #

Ingredient Name

Quantity Fed (kg)

DM Content (kg)

Total Protein (kg)

1
Barley
80
70.4
10
2
Silage
400
140
32.4
3
Soybean Meal
100
90
48
TOTALS
 
580
300.4
90.4

3. The "Nutritional Alert" System

If the protein is less than or equal 12% of the total mix, it should display "LOW"; otherwise, it should display "OK".

The Updated Table (With Visual Alert)

Item #

Ingredient Name

Quantity Fed (kg)

Total Protein (kg)

Status

1
Barley
80
10
LOW
2
Silage
400
32.4
OK
3
Soybean Meal
100
48
OK
TOTALS
 
580
90.4
 

Form Template Insights

Please remove this form template insight sections before publishing.

Form Insight: Feed Ingredient Library

Purpose: This form is designed to eliminate the need for manual lookup tables and reduce calculation errors during livestock feed formulation. It transforms a simple list of ingredients into a powerful nutritional calculator.

Why Use This Form?

  • Data Integrity: By selecting ingredients from a predefined list, you ensure that the nutritional values (Protein, Dry Matter, Energy) are always accurate and consistent.
  • Time Saving: Farmers only need to input the Quantity; the form handles all the complex math to determine the actual nutrient delivery.
  • Safety Net: Built-in "Alerts" notify you immediately if your feed mix doesn't meet the minimum nutritional requirements, protecting your livestock's health.

Understanding the Formulas

We use two primary types of logic to make this form "smart." Here is a simple explanation of how they work:

1. The CHOOSE Function (The "Brain")

Instead of searching through a long list, the CHOOSE function acts like a shortcut.

  • Formula Example: CHOOSE (A1, 12.5, 8.1, 48)
  • The Insight: The formula looks at the "Item Number" in cell A1. If you select item 1 (Barley), it instantly picks the 1st value in the list (12.5). It is the fastest way for a spreadsheet to return data based on a numbered list.

2. The Nutrient Weight Calculation (The "Math")

To find out how many kilograms of protein are actually in your feed, we use a percentage-based calculation.

  • Formula Example: CHOOSE (A1, 12.5, 8.1, 48) / 100 * C1
  • The Insight: Since nutritional values are usually percentages (e.g., 12.5%), we divide by 100 to get a decimal and then multiply by the total weight you entered. This tells you the physical weight of the nutrients, not just the percentage.

3. Conditional Formatting (The "Watchdog")

This is the visual rule that if the protein is less than or equal 12% of the total mix, it should display "LOW"; otherwise, it should display "OK".

  • The Logic: Cell Value < or = 12%
  • The Insight: This is a "Logic Gate." The form constantly checks the total. The moment the value drops below your set limit, it triggers a style change to grab your attention before you finalize the feed batch.
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