Avoiding dog food confusion.
Analysis of a dried dog food and moist dog foods often leads to confusion (even with some vets) when comparing them.
For example, Luath Holistic Nutrition diet foods have a protein content of 18.5%, On the other hand moist dog foods may state a protein level of 8%, which appears to be much lower in protein.
The difference outlined above arises because of the moisture content of the food.
A dry food may be less than 10% moisture whereas a wet dog food may have between 75 and 80% moisture.
The true protein (or fat content ) must be calculated in a dry matter basis. [Begin Block]
Here are some insights and clarification in comparing wet and dry dog food.
Typical dog food analysis.
Typical moist food analysis:
- Protein 8%
- Fat 6%
- Moisture 75% (dry matter is 25%)
Typical dry food analysis:
- Protein 18%
- Fat 8%
- Moisture 10% (dry matter is 90%)
To calculate the actual protein and fat level in wet or moist dog food we must remove the moisture (water) and work with the dry matter (25%).
Moist dog food: Percentage of protein: 8÷25 x 100 = 32% protein on a dry matter basis.
Percentage of fat: 6÷25 x 100 = 24% fat on a dry matter basis
Dry dog food: Percentage of protein: 18 ÷ 90 x 100 = 20% protein on a dry matter basis.
Percentage of fat: 8 ÷ 90 x 100 = 8.8 % fat on a dry matter basis
Note that although, the moist food says it contains only 8% protein, when calculated on a dry matter basis the protein level is actually 32%.
This is the only way to realistically compare wet and dry dog food protein and fat levels. [End Block]
Take a look at our specially created range of holistic foods for dogs.