Common Diseases of Livestock Animals: Cause & Control

Which of the following transmission pathways is most likely to affect cells in the lungs first?

Aerosol

Which of the following is caused by a fungus?

Ringworm

Animals in confinement are more susceptible to aerosol transmission.

True

Which of the following causes Bovine Viral Diarrhea?

virus

Select all the following examples of a vector.

- birds - cats - rodents

Select all the common types of vaccine used in the livestock industry.

- killed - modified live

1. location of facilities and various components 2. physical barriers 3. routine procedures

1. conceptual 2. structural 3. procedural

Which of the following pathways of transmission is responsible for the spread of Brucellosis?

Oral

The avian influenza outbreak in 2014 affected ten different states.

false

Which of the following is a principle in a prevention protocol?

record keeping

Place the following in the correct order.

1. Pathogen enters body in the form of a vaccine 2. Antigens attach to receptors on immune cells 3. Body creates antibodies 4. Body gains memory 5. Immunity occurs 6. Impact level of disease decreases

1. An animal becomes ill due to cellular invasion and disruption. 2. An animal becomes ill due to toxins inside its cells. 3. An overcrowded building leads to an illness among a herd. 4. An animal is ill due to a nutritionally unbalanced ration.

1. direct 2. direct 3. indirect 4. indirect

__________ are live organisms responsible for providing health benefits, typically by improving and restoring gut health.

Probiotics

1. blood of an infected animal comes into contact with another animal 2. disease-carrying birds fly into barn 3. an infected animal coughing in a barn 4. contaminated feces mixed with hay 5. multiple groups of animals traveling on same trailer

1. direct contact 2. vector borne 3. aerosal 4. oral 5. fomites

Which of the following pathogens invades a cell, multiples through cellular division, then produces and releases a toxin?

Bacteria

After receiving new animals, they should be grouped according to health status.

False

The application of biosecurity measures on a farm does NOT help prevent the introduction of pathogens.

False

Which of the following pathways of transmission can heavily impact an entire industry due to the potential increase of impact caused by a pathogen's ability to travel from operation to operation?

Fomite

The spreading of a disease affects all members of society.

True

To ensure success, producers should only include principles they feel are necessary into their protocol.

false