Equine Internal Parasites (part 2)

Question 1

lungworms

Answer 1

• cause chronic coughing in horses, ponies and mules

- donkeys are the natural host of this parasite

Question 2

pinworms

Answer 2

-lay eggs on the skin around the horses anus, creating the horse to repeatedly rub its tail

Question 3

Botfly larvae AKA

Answer 3

Gastrophilus spp

Question 4

Bots

Answer 4

• can damage the lining of the stomach where they attach (usually during the winter months)
• cause ulcerations within the mouth where larvae burrow into the tissue after eggs have been consumed

Question 5

Threadworms

Answer 5

problem in foals where they cause diarrhea

Question 6

Signs of parasitism

Answer 6

• dull, rough coat
• decreased stamina, lethargy/depression
• unthriftiness
• slowed growth in young horses
• pot belly
• colic and diarrhea

Question 7

Deworming programs

Answer 7

• continuous

- strategic

Question 8

Continuous deworming program

Answer 8

feeding daily dewormer year-round or throughout the grazing season

Question 9

Strategic deworming programs

Answer 9

deworming only at certain times of the year or when egg counts rise

Question 10

3 methods of administration

Answer 10

• oral paste syringe
• feed additive
• nasogastric tube

Question 11

Oral paste syringe

Answer 11

• no longer necessary, although many vets still prefer this method
• all products are available in paste form

Question 12

Feed additive

Answer 12

powered, liquid or pellets dressed over the grain

Question 13

Nasogastric

Answer 13

stomach tube