Anatomy
Energy Feedstuffs
Protein Feedstuffs
Vitamins & Minerals
Pet Food & Feed Manufacturing
100

This  location is where most of the starch digestion and absorption occurs in monogastric animals. 

What is the small intestine?

100

This feedstuff is used as the primary source of energy in U.S. animal diets.

What is corn?

100

This is the most common source of non-protein nitrogen added to ruminant diets.

What is urea?

100

This is a common source of Ca used in animal diets.

What is limestone?

100

What process in feed manufacturing serves to decrease particle size of grain?

What is grinding?

200
This organ in the horse is home to significant levels of fermentation.

What is the cecum?

200

This process is used to break down fiber so it can be used as energy.

What is fermentation?

200

What is another term for rumen undegradable protein?

What is bypass protein?

200

This is the typical ratio of Ca:P in hydroxyapatite, and subsequently, in most animal diets.

What is 2:1?

200

These types of feed additives are classified based on their ability to cure, treat, or prevent disease.

What are drugs? 

300

This set of paired organs in birds is used for limited fiber fermentation.

What are ceca?

300

These three acids are produced during cecal or ruminal fermentation.

What are acetate, propionate, and butyrate?

300

This is the most common protein source fed in U.S. livestock diets.

What is soybean meal?

300

This disease, most commonly observed in cats or castrated male goats and sheep, is caused by precipitation of P during alkaline conditions.

What is urinary calculi?

300

This category of feed-based antibiotics can have its efficacy reversed, and is therefore more likely to cause antimicrobial resistance than its counterpart.

What are bacteriostatic antibiotics?

400

Which organ in poultry reduces particle size through its muscle contractions?

What is the ventriculus, or gizzard?

400

Equine diets are formulated using this energy system.

What is DE?

400

Bypass protein is digested in this location.

What is the duodenum?

400

Most P in grains is bound in an indigestible form unless this enzyme is added to the diet.

What is phytase?

400

These types non-therapeutic drugs are not medically important to human health but help shift rumen microbe populations to more efficiently use starch.

What are ionophores?

500
This compartment of the ruminant stomach resembles a honeycomb and is responsible for regurgitation and eructation.

What is the reticulum?

500

This source of energy is used commonly in horses because it has a high level of pre-cecal digestibility.

What are oats?
500

Daily Double!

This is the difference between CP and MP.

500

This form of mineral is made when it is bound to a carbon-containing molecule, such as an amino acid.

What is a chelated (or organic) trace mineral?

500

Animal feed does not have a 'dietary supplements' category of food additives, so ingredients must either have an approved food additive petition or this type of status.

What is GRAS? (generally recognized as safe)