|
Glossary | Links | Lab Manual PDF |
|---|
Lab 12 Appendix: Large Animal Parasite Review - Cattle
Parasite |
Location in Host |
Diagnostic Stage |
Lab Specimen+ |
*Haemonchus |
abomasum |
SSB 28 |
|
*Ostertagia |
abomasum |
||
*Trichostrongylus |
abomasum or sm. int. |
||
*Paramphistomum |
rumen |
||
*Cryptosporidium |
sm. intestine |
SSB 97 |
|
*Giardia |
sm. intestine |
||
*Cooperia |
sm. intestine |
||
*Nematodirus |
sm. intestine |
||
*Bunostomum |
sm. intestine |
||
sm. intestine |
B 49 |
||
*Moniezia |
sm. intestine |
B 37, SSB 7 |
|
*Trichuris |
lg. intestine |
||
Chabertia |
lg. intestine |
||
*Eimeria |
cecum, lg. intestine |
||
*Fasciola |
bile ducts |
B 11, SSB 12, 13 |
|
*Dicrocoelium |
bile ducts |
SSB 16, 17 |
|
*Dictyocaulus |
lungs |
larvae in feces |
|
*Hypoderma |
skin of back |
larva in skin |
|
*Psoroptes |
skin |
SSB 88 |
|
*Chorioptes |
skin |
adults on skin |
|
*Sarcoptes |
skin |
||
*Damalinia |
skin |
adults on skin or hair |
SSB 80, 81 |
*Trypanosoma |
blood |
SSB 39 |
|
*Taenia |
muscle |
none |
|
*Sarcocystis |
muscle |
none |
SSB 50 |
Trichomonas |
reproductive organs |
SSB 42 |
* Also in other hosts.
+ B = Bottle; SSB = Student Slide Box slide #
Quiz Questions:
- A calf on a dairy farm has had liquid diarrhea for the past 3 days. On a fecal flotation you notice many very small objects and you therefore do
an Acid fast stain of a fecal smear. A representative field (oil lens) is shown below.
- Identify the objects indicated by the red arrows.
- Identify the objects indicated by the blue arrows.
A. Cryptosporidium sp.
B. yeast
