internal and external parasites

Question 1

Parasite load

Answer 1

the amount of parasites an animal carries

Question 2

symptoms of external parasites

Answer 2

Damaged coat 
Hairless patches 
Caused by rubbing, scratching and biting 
Secondary skin infections	
Not directly from parasites

Question 3

Biting lice

Answer 3

Feed on hair and skin debris
Round head
Lay eggs every day
Hatch within 1-2 weeks

Question 4

Sucking lice

Answer 4

Suck blood 
Pointed head 
Transmission:
Direct contact 
Fomites (inanimate objects)

Question 5

Keds

Answer 5

Wingless fly
Feed on the host’s blood
Transmitted through direct contact
Insert mouthparts into capillaries to suck blood (like a mosquito)

Question 6

treatment for external parasites

Answer 6

Sprays
Drenches
Powders

Question 7

Coccidia

Answer 7

Single cell protozoa
Live in epithelial cells of the small intestine
Eggs are released and exit the body through feces
21 day life cycle

young animals and immunocompromised animals are the most susceptible

Diarrhea
Dehydration
Fever

looks like avocado

Treatment: Albon (sulfadimethoxine) tablets

Question 8

Haemonchus contortus

Answer 8

Also called strongyle or barberpole worm

Diarrhea
Dehydration
Rough coat
Low energy
Reduced growth/performance
Severe blood loss 
Fluid accumulation in lower jaw, abdomen, thoracic cavity, and gut wall 

live in abomasum
Feeds off host’s blood supply
Causes anemia
Most common parasite at the Hadley Farm

Question 9

whipworm

Answer 9

Live in the large intestine
Feed off blood supply of the host
Resistant to deworming
Young animals = most susceptible

Question 10

layers in a blood tube

Answer 10

yellow - plasma
white - buffy coat
red- red blood cells

Question 11

acceptable range of RBC%

Answer 11

22-36%

Question 12

acceptable range of total protein

Answer 12

6.8-8.3