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Cestode of Poultry

Cestode of Poultry. Family Davaineidae Davainea proglottina Raillietina spp. Family Dilepididae Amoebotaenia Choanotaenia Family Hymenolepis Hymenolepis. Family Davaineidae. Rostella hooks: hammer like sucker: hooks reproductive organ: 1 set egg: egg capsule, par-uterine organ.

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Cestode of Poultry

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  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 = 80-94 hooks

  5. Davainea proglottina • Sucker: 4 rows of hooks • genital pore: alternative opening • egg: in parenchyma • size = 28-40 micron

  6. DavaInea 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 (400-500) • 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. Amoebotaenia cuneata • Rostella hooks: 12-14 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: 16-20 hooks • genital pore: bilateral • testes: 25-60 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. Pathogenesis • Raillietina echinobothrida • duodenum: nodule • hyperplastic enteritis

  21. 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 • 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. Hymenolepis nana • adult: 25-40 x 0.5-0.9 mm, 200 seg. • scolex: 4 suckers • rostella hooks: 1 rows (20-30 hooks) • genital pore: unilateral

  28. Hymenolepis nana • Testes: 3 testes • gravid segment: uterine sac (80-200) • egg: 44-62 x 30-55 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 - sanitation 2. Environmental hygiene - reservoir

  34. Hymenolepis diminuta • “rat tapeworm” • adult: 20-40 cm (800-1000 segments) • scolex: 4 suckers, rostellum no hook • egg: no filament, 2 opposite polar poles • 60-70 x 72-86 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. Taenia saginata • adult: 4-12 m. • scolex: 4 sucker, no rostellum/hook • segment: 1000-2000 proglottids • testes: 880-1200 testes • ovary : bilobes

  40. Taenia saginata • Genital pore: lateral • gravid proglottids: 14-32 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. Taenia solium • adult: 2-7 m. (800-1000 segments) • scolex: small square, 4 suckers • rostella hooks: 2 rows (22-32 hooks) • gravid segment: almost square shape

  50. Taenia solium

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