(24) Other Strongyles

Question 1

(Other Strongyles)

1. primary species in what?
2. found where in body?
3. what are the three types?

Answer 1

1. Ruminant
2. SI
3. cooperia, trichostrongylus, nematodirus

Question 2

(Cooperia)

1. C. pectinata, C. punctata, C. oncophora - all in what?
2. C. curticei - all in what?
3. do they penetrate cells?
4. what is the most distinugishalble feature of ths type?
5. path?
6. when we use any of endentocides they leave cooperia

Answer 2

1. cattle
2. sheep, goat
3. no
4. very prolific - large numbers of eggs

(eggs cannot be differentiated from other strongyles)

5. non

Question 3

(Trichostrongylus spp)

1. aka?
2. T. colubriformis in what?
3. T. capricola in what?
4. T. vitrinus in what?

Answer 3

1. black scours or bankrupt worm
2. sheep
3. sheep and goats
4. cattle

Question 4

(Nematodirus spp)

1. aka?
2. key feature?

lay how many eggs?

3. be aware of species - don’t memorize
4. life cycle same as other strongyles except for what?

Answer 4

1. thread-necked worm
2. very large eggs

very few

3. larval stage develop within egg and don’t hatch until an L3 - therefore can survive on pasture for long time

Question 5

(Chabertia Ovina)

1. aka what?
2. found where?

Answer 5

1. The large mouthed bowel worm
2. large bowel of sheep

Question 6

(Oesophagostomum spp)

1. aka?
2. O. columbianum in what?

O. venulosum?

O. radiatum?

3. found where in body?
4. path

get inflammatory response when? cause what?

5. see nothing in young - older get messed up

Answer 6

1. nodular worms
2. sheep and goats

sheep and goats

cattle

3 LI

4. on subsequent exposure; nodule formation (interefere with GI stuff)

Question 7

(Oesophagostomum spp)

1. aka?
2. found in what?
3. path

<5000 = subclnical

>5000 = more signs

Answer 7

1. swine nodular worm

(O. dentatum and O. brevicaudum)

2. pigs and peccaries

Question 8

(Hyostrongylus Rubidus)

1. aka
2. host?
3. locaton in body?
4. path?
5. treatment?

Answer 8

1. red stomach worm
2. swine
3. stomach
4. not really
5. fenbendazole, ivermectin, doramectin

Question 9

(Stephanurus Dentatus)

1. aka
2. location in body?
3. SE US
4. strongyle type egg found where?
5. path?
6. diagnosis
7. treatment?

Answer 9

1. swine kidney worm
2. kidney, ureters, (larvae in liver)
3. urine
4. local irritation, damage to liver, doesn’t bother kidney too much
5. egg in urine
6. anthelminitc and guilt’s only breeding program

doramectin, fenbendazole, levasimole. ivermectin

Question 10

(Syngamus Trachea)

1. what is it?
2. found where?
3. path

what most susc?

worms suck what?

4. most common clinical sign?
5. treatment?

Answer 10

1. gapeworm or Y worm of birds
2. trachea of chickens, turkeys, pheasants
3. young

blood

4. gasping/gaping
5. ivermectin & fenbendazole