Exam 1 Feedstuffs/Equine/Swine Flashcards
**Which of the following is the primary component in livestock feeds? A) CHOs B) Lipids C) Protein D) Minerals
A
Which of the following is a disaccharide? A) Glucose B) Fructose C) Sucrose D) Cellulose
C
**Aside from water, what is the most abundant molecule in the body? A) CHOs B) Lipids C) Protein D) Cholesterols
C
What determines the protein’s properties and functions?
AA sequence
**Essential AA in cats A) Glycine B) Methionine C) Taurine D) Tryptophan
C
T/F: Caution should be taken when feeding cereal grains as they are likely deficient in lysine, methionine, and tryptophan.
TRUE
**What is usually the most concentrated form of energy? A) CHOs B) Lipids C) Protein D) Cholesterols
B
Monogastrics require certain fatty acids to be provided in the diet as they cannot make them. What is the term for this fatty acid?
Essential fatty acid- make up 1% of monogastric’s diet
Scaly skin, necrosis of the tail, and poor feathering are seen in birds with deficiency of what nutrient?
Fatty acids
T/F: Most minerals in an animal’s body are part of the skeleton.
true
Match the common deficiency to the animal: Cobalt, Iron, zinc, selenium Sheep: Goats/chickens: Pigs: Piglets:
Sheep: Cobalt
Goats/chickens: Zinc
Pigs: Selenium
Piglets: Iron
Which of the following is an inorganic nutrient? A) Lipid B) CHO C) Protein D) Minerals E) Vitamins
D
Where are most vitamins stored in the body?
Liver
T/F: Protein is required in the highest amount in the diet?
False- Energy
**What is the most important source of energy in regards to feeding the animal? A) Lipids B) Proteins C) CHOs D) Vitamins
C
Gross energy of feed- Gross energy of feces= A) Net energy B) Metabolizable energy C) Free energy D) Digestible energy
D
Complete the formula:
Metabolizable energy= _____ - ______
Digestible E- (GE urine + GE gases)
A calorimetric bomb measures: A) Gross protein B) Mineral content C) Gross energy D) Heat energy
C
Water makes up \_\_\_% of fat free body weight. A) 50% B) 65% C) 75% D) 80%
C
Good quality water should have less than 0.\_\_\_% dissolved solvents. A) 10 B) 15 C) 20 D) 25
D
T/F: Proximate analysis is the most common analysis for feed samples.
true
Which of the following is not included in the proximate analysis? A)Dry matter B) CP C) NDF/ADF D) CF E) Ash
C these are newer methods for measuring fiber
**T/F: The kjeldahl method measures crude protein by directly measuring protein content irrespective of the source.
False- it measures the nitrogen…so if something has high nitrogen but no protein it could skew the results- Feed grade urea
Nitrogen content X 6.25= ____
crude protein
T/F:The average CP in feed stuffs is 16%
true
What is the method used to measure crude fat? A) Kjeldahl B) Gas chromatography mass spectometry C) Ether extract D) Bomb calorimeter
C= only gives quantitative info
B=to determine specific FA composition