Concentrates are commonly fed to farm animals - Leaving Cert Agricultural Science - Question d - 2014
Question d
Concentrates are commonly fed to farm animals.
(i) Name two food nutrients found in concentrates.
(ii) Describe the function of each of the nutrients referred to i... show full transcript
Worked Solution & Example Answer:Concentrates are commonly fed to farm animals - Leaving Cert Agricultural Science - Question d - 2014
Step 1
Name two food nutrients found in concentrates.
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Answer
Two common food nutrients found in concentrates are carbohydrates and protein.
Step 2
Describe the function of each of the nutrients referred to in (i).
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Answer
Carbohydrates provide energy, which is essential for daily activities and maintaining bodily functions. Protein is crucial for growth and repair of tissues and helps prevent deficiency diseases.
Step 3
Explain the term dry matter (DM) in relation to animal food.
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Answer
The term dry matter (DM) refers to the part of the food that remains after all water has been removed. It represents the nutrients present in the food that are available for digestion and absorption by the animal.
Step 4
Describe an experiment to measure the dry matter content of a named animal feed.
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Answer
To measure the dry matter content of a named animal feed, such as alfalfa hay, one can use the following steps: 1. Weigh a suitable container and record its mass. 2. Place a known amount of the alfalfa hay into the container and weigh it again. 3. Dry the feed in an oven at a specified temperature until all moisture is removed. 4. Weigh the container with the dried feed and record this mass. 5. Calculate the dry matter content by subtracting the initial mass of the container from the final mass and dividing by the initial mass of the feed, then multiplying by 100 to obtain a percentage.
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