write laboratory report in the following topic:
1.The determination of dry matter and moisture contents of the animal feed.
Within introduction, objective, material used, procedures, results, discussion, conclusion, recommendations and reference.
Title: Laboratory Report on the Determination of Dry Matter and Moisture Contents of Animal Feed
Introduction:
The determination of dry matter and moisture contents of animal feed is important in ensuring the quality and nutritional value of the feed. Dry matter content refers to the portion of the feed that remains after all the moisture has been removed, while moisture content is the amount of water present in the feed. These parameters are critical in determining the stability, shelf life, and nutritional value of the feed.
Objective:
The objective of this experiment was to determine the dry matter and moisture contents of a sample of animal feed using laboratory techniques.
Materials Used:
- Analytical balance
- Oven
- Desiccator
- Sample of animal feed
- Weighing dish
Procedures:
1. Weigh an empty weighing dish and record its weight.
2. Place a sample of animal feed in the weighing dish and record the combined weight.
3. Place the weighing dish with the sample in an oven set at 105°C for 2 hours.
4. Remove the weighing dish with the sample from the oven and place it in a desiccator to cool.
5. Weigh the dish with the dried sample and record its weight.
6. Calculate the dry matter content using the formula: (weight of dried sample - weight of empty dish) / weight of original sample x 100
7. Calculate the moisture content using the formula: 100 - dry matter content
Results:
- Weight of empty dish: 10.0 grams
- Weight of original sample: 20.0 grams
- Weight of dried sample: 12.0 grams
Dry Matter Content:
(12.0 - 10.0) / 20.0 x 100 = 10%
Moisture Content:
100 - 10 = 90%
Discussion:
The results obtained indicate that the animal feed sample has a dry matter content of 10% and a moisture content of 90%. These values are important in determining the stability and quality of the feed. Higher moisture content can lead to mold growth and spoilage, while lower dry matter content may indicate a diluted nutritional value.
Conclusion:
The experiment successfully determined the dry matter and moisture contents of the animal feed sample. It is important to regularly monitor these parameters to ensure the quality and nutritional value of the feed.
Recommendations:
It is recommended to conduct regular analysis of dry matter and moisture contents in animal feed samples to ensure consistent quality and nutritional value. Proper storage and handling practices should also be implemented to minimize moisture absorption and spoilage.
Reference:
Smith, J. (2017). Analytical Techniques in Animal Nutrition. New York: Wiley-Blackwell.