Final Flashcards
Describe how the digestive system of pigs differs from horses
Smaller hind-gut
2 high-quality feed ingredients that are included in swine diets
Corn & soybean
Why is fiber use minimal in swine nutrition
Limited ability to digest fiber
Why are swine diets formulated on an as-fed basis instead of dry matter
Water content in feed is low
How are energy requirements expressed in pigs
ME
What effect does increasing energy density of the diet have on pigs feed intake
Decreases feed intake
What is the most popular energy source for pig diets
corn
Which phosphorus source is unavailable to pigs without a commercial enzyme
Phytate in grain
1 advantage of including the Phytase enzyme in swine diets
Save money in feed costs & less polution
What Is the most limiting amino acid for swine
Lysine
What is the benefit of formulating diets on a lysine basis
saves money on protein
Company that sells crystalline lysine for pigs
ADM
What pig can not be fed 44% CP soybean meal
nursery pigs
What is the purpose of including fat in pigs
increases energy density
Max amount of fat that should be in a pig diet
%5
Calcium to phosphorus ratio for pigs
2:1
mineral in limestone
calcium
How do most pigs receive most vitamins and minerals
premix
Which trimester of pregnancy do gestating pigs have the greatest nutrient requirements
last trimester
Which organ in the poultry digestive tract has the simple function of feed storage
Crop
Which organ in chickens grinds feed
gizzard
Which organ in chickens is most similar to mono-gastric stomachs
pro ventriculus
What are broilers
meat producers
Whats the most common chicken feed
corn & soybean
Energy requirements for chickens are expressed through
ME
2 essential amino acids for chickens
Glycine & Proline
1 benefit of including fat in chicken diet
Increases energy density
calcium to phosphorus ratio for chickens
2:1
calcium to phosphorus ratio for layer chicken
13:1
How should energy density of the diet change when chickens are exposed to heat stress in summer
increase
Chickens feed intake ____ in the winter
increases
How does digestibility & palatability of milo grain compare to corn in chickens
corn is more palatable & digestible
How does gossypol toxin affect chicken eggs
Makes yolks green
What feed can be offered to make yolks more yellow
corn gluten
popular fiber byproduct for chickens
wheat bran
Organization that established rules for pet food labels
AAFCO
What is “Net weight” on the quantity statement of a pet food label
How much product Is in the container
What needs to be included in the “guaranteed analysis” section of a pet food label
Protein, fat, fiber, water
on the ingredient statement, How should all ingredients be listed on a pet food label
Same type, size, and style
What does “ chicken flavor” indicate about pet food
Less than 1% of the total product weight is chicken
What does “chicken entree” mean
25% of product weight is chicken
What does “with chicken” mean
3% of product is chicken
“chicken dinner”
95% of product is chicken
Can pet food that contains synthetic preservatives like BHT be labeled as “natural”
does not fit the AAFCO definition of natural
When are pet food companies allowed to use the term “organic”
must contain at least 95% organic ingredients,