Lab 1 - Practice Problems

A sample of ground soybean containing was analyzed to contain 88% dry matter has been analyzed. The CP of the feed is 15% CP on an as-fed basis. What is the CP percentage on a DM basis?

13.2% CP on a DM basis

Animals in a feedlot are given a feed that weighs 80 kg on an AF basis and contains 90% DM. What is the weight of the feed in kg on a DM basis? What is the weight of the feed in lbs on a DM basis?

72 kg on a DM basis, 158.4 lbs on a DM basis

You give your neighborhood cat a cat treat whenever you see him. The treat contains 17% moisture and 11% crude fat per treat on an as-fed basis. The treat also contains 0.12 g of CP. There are 190 treats in a bag, weighing 63 g (assuming the bag weighs 2 g). What is the weight of a single treat, and what is the weight of the DM per treat?

0.32g per treat, 0.27g DM per treat

You give your neighborhood cat a cat treat whenever you see him. The treat contains 17% moisture and 11% crude fat per treat on an as-fed basis. The treat also contains 0.12 g of CP. There are 190 treats in a bag, weighing 63 g (assuming the bag weighs 2 g). How much crude fat in g would the cat consume if you give him two treats?

0.07g of CF in two treats on the AF basis

You give your neighborhood cat a cat treat whenever you see him. The treat contains 17% moisture and 11% crude fat per treat on an as-fed basis. The treat also contains 0.12 g of CP. There are 190 treats in a bag, weighing 63 g (assuming the bag weighs 2 g). You left an open treat bag containing 113 treats outside by mistake, and the cat ate them all. How much CP in g did the cat consume?

13.56g CP