1. Cestode of Poultry Family Davaineidae Davainea proglottina
Raillietina spp.

2. Family Dilepididae
Amoebotaenia
Choanotaenia
Family Hymenolepis
Hymenolepis

3. Family Davaineidae Rostella hooks: hammer like sucker: hooks
reproductive organ: 1 set
egg: egg capsule, par-uterine organ

4. Davainea proglottina Host: ไก่ นกพิราบ สัตว์ปีก organ: duodenum
adult: 4-9 segments (0.5-3 mm)
rostella hooks = hooks

5. genital pore: alternative opening egg: in parenchyma
Davainea proglottina
Sucker: 4 rows of hooks
genital pore: alternative opening
egg: in parenchyma
size = micron

6. D a v a I n e a proglottina

7. Life Cycle Intermediate host: slug (Limax, Avian, Cepoea, Agriolimax)
Onchosphere
Cysticercoid

8. Raillietina tetragona
host: ไก่ นกพิราบ นกยูง ไก่ฟ้า
adult: 25 cm
scolex: small
rostella hooks = 100 hooks (1-2 rows)

9. Raillietina tetragona
sucker: oval, hooks (8-10 rows)
genital pore: lateral (only one side)
egg: egg capsule (6-12 eggs)
intermediate host: มด (Tetramprium, Pheidole)

10. Raillietina echinobothrida
host: ไก่ ไก่งวง
organ: intestine
rostella hooks = 200 hooks (2 rows)
sucker: round, hooks (8-10 rows)

11. Raillietina echinobothrida
Genital pore: unilateral
intermediate host: Tetramorium, Pheidole

12. Raillietina cesticillus
Host: เป็ด ไก่
organ: intestine
adult: 4-15 cm.
Scolex: large

13. Raillietina cesticillus
Rostellum: broad, hooks ( )
sucker: small, no hooks
intermediate host: แมลงปีกแข็ง

14. Amoebotaenia cuneata Host: ไก่ organ: intestine
adult: 1 x 4 mm, triangle shape
proglottids: 20 segments

15. Rostella hooks: 12-14 hooks genital pore: bilateral testes: 12 testes
Amoebotaenia cuneata
Rostella hooks: hooks
genital pore: bilateral
testes: 12 testes
row: end of each segment
uterus: sac (lobule)

16. Life cycle Intermediate host: ไส้เดือนดิน Eisenia, Pheretina
Ocnerodrilus, allolobophora

17. Choanotaenia infundibulum
Host: ไก่ ไก่งวง
organ: intestine
adult: 20 cm.
proglottid: posterior broader than ant.

18. Choanotaenia infundibulum
Rostella hook: hooks
genital pore: bilateral
testes: testes
egg: egg capsules
intermediate host: แมลงวันบ้าน, แมลงปีกแข็ง

19. Pathogenesis Davainea proglottina: most virulence
necrotic & haemorrhagic enteritis
chronic: low growth rate, emaciation, weakness & death

20. Raillietina echinobothrida
Pathogenesis
Raillietina echinobothrida
duodenum: nodule
hyperplastic enteritis

21. Raillietina tetragona
Pathogenesis
Raillietina tetragona
weight loss
low production

22. Clinical signs Severe in young chicks
เบื่ออาหาร ปีกตก กระหายน้ำจัด ผอม โลหิตจาง ไข่ลด
อุจจาระร่วง (ปนเลือด)

23. Diagnosis
Fecal examination
Post mortem: adult worms
Lesions: nodules

24. Treatment Butynorate Niclosamide Hexachlorophene Praziquantel
Albendazole Oxfendazole
Mebendazole Betel nut

25. Cestode of Man Family Hymenolepididae Family Taeniidae
Hymenolepis nana
Hymenolepis diminuta
Family Taeniidae
Taenia saginata, Taenia solium

26. Hymenolepis nana “dwarf tape worm”...Hymenolepidiasis host: คน, หนู
organ: intestine
smallest tapeworm

27. rostella hooks: 1 rows (20-30 hooks) genital pore: unilateral
Hymenolepis nana
adult: x mm, 200 seg.
scolex: 4 suckers
rostella hooks: 1 rows (20-30 hooks)
genital pore: unilateral

28. gravid segment: uterine sac (80-200) egg: 44-62 x 30-55 micron
Hymenolepis nana
Testes: 3 testes
gravid segment: uterine sac (80-200)
egg: x micron

29. Life Cycle
Intermediate host: flea (cysticercoid), dung beetle

30. Infection in Man 1. Direct infection: children 2. Indirect infection
3. Autoinfection (reinfection)

31. Pathogenesis number of infested worms duration of infection
host: enteritis, stomach ache, vomiting, anemia, eosinophilia

32. Treatment Niclosamide (Yomesan):2 g Paranomomycin: 45 mg/kg, 5-7 d.
Praziquantel: 25 mg/kg, 10 d interval

33. Control & Prevention 1. Personal hygiene 2. Environmental hygiene
- sanitation
2. Environmental hygiene
- reservoir

34. Hymenolepis diminuta “rat tapeworm”
adult: cm ( segments)
scolex: 4 suckers, rostellum no hook
egg: no filament, 2 opposite polar poles
60-70 x micron

35. Life Cycle intermediate host: cysticercoid beetle, flea, cockroach
no autoinfection

36. Pathogenesis Man: stomach ache, diarrhea, anorexia, weight loss
Dx: fecal examination
Rx: same as H. nana

37. Control & Prevention 1. Cooked food 2. Eliminate intermediate host
3. Eliminate reservoir host
4. Deworming & sanitation

38. Taenia saginata Host: man organ: intestine (jejunum)
“พยาธิตืดวัว”…..Taeniasis

39. scolex: 4 sucker, no rostellum/hook segment: 1000-2000 proglottids
Taenia saginata
adult: 4-12 m.
scolex: 4 sucker, no rostellum/hook
segment: proglottids
testes: testes
ovary : bilobes

40. gravid proglottids: 14-32 uterine branches
Taenia saginata
Genital pore: lateral
gravid proglottids: uterine branches
egg: thick embryophore (brown-yellow)…..radiation

41. Life cycle final host: man intermediate host: cattle, buffalo
Cysticercus bovis (เม็ดสาคู)
กล้ามเนื้อลาย กล้ามเนื้อหัวใจ
กระบังลม

42. Cysticercus bovis

43. Pathogenesis
อาการในคน: อ่อนเพลีย คลื่นไส้ ปวดท้อง น.น.ลด ท้องผูก อาการแพ้ ลมพิษ คัน ลำไส้อุดตัน
eosinophilia, high IgE

44. Diagnosis History: eating habit Fecal examination
Proglottidal examination

45. Treatment Niclosamide: 2 gram Praziquantel: 5-10 mg/kg
Quinacrine: 7-10 mg/kg
Herb: มหาด

46. Control & Prevention 1. Knowledge: epidemiology 2. Sanitation
3. Deworming program
4. Eating habit

47. Control & Prevention
5. Meat inspection
6. Cooking processes

48. Taenia solium
host: man
organ: intestine
Taeniasis…..Cysticercosis

49. scolex: small square, 4 suckers rostella hooks: 2 rows (22-32 hooks)
Taenia solium
adult: 2-7 m. ( segments)
scolex: small square, 4 suckers
rostella hooks: 2 rows (22-32 hooks)
gravid segment: almost square shape

50. Taenia solium

51. Taenia solium Testes = 375-575 ovary: bilobes + accessory lobe
gravid seg.: 7-13 branches
egg: micron

52. Life cycle final host: man intermediate host: pig
Cysticercus cellulosae: กล้ามเนื้อหัวใจ กล้ามเนื้อลาย (10 x 20 mm)

53. Cysticercosis Infection in man 1. Food contamination
2. Contamination on hand
3. Autoinfection
external & internal infection

54. Development of Cysticercosis
Organs: สมอง ตา เยื่อหุ้มสมอง กล้ามเนื้อลาย กล้ามเนื้อหัวใจ ตับ ปอด อวัยวะอื่นๆ
calcified cysts

55. Cysticercus racemosus
abnormal (degenerated) form of C. cellulosae….budding
grape like (tree-like growth)
organs: ventricle, choroid plexus, subarachnoid space

56. Pathogenesis
Cerebral cysticercosis: cortex, ventricle, meninges, cerebellum
convulsion
increase intracranial pressure
psychiatric disorder

57. Ocular cysticercosis route: retinal blood flow
ant. & vitreous chamber, subretina tissue, conjunctiva, lacrimal gl., eyelid
retinal edema, hemorrhage, vasculitis, chorioretinitis, retinal attachment

58. Muscular cysticercosis inflammation, fibrous calcified cyst
all muscle tissue
inflammation, fibrous
calcified cyst

59. Diagnosis History, clinical signs X-ray, CT-scan eosinophilia, biopsy
skin test, ELISA, IHA

60. Treatment surical removal medicine: Praziquantel: 30-50 mg/kg 10 d
Flubendazole: 40 mg/kg 10 d

61. Control & Prevention
cooked food
deworming program