Method of diagnosis of diseases in farm animals Prof.Dr Hamed Attia

1. How can you diagnose a sick animal
Prof. Dr Hamed Attia
Department of animal medicine
Faculty of veterinary medicine
Zagazig University

2. How Can You succeed in
Diagnosis & treatment A Case

3. 1- Diagnosis
(75%).

2-Correct
Treatment(25%).

4. .1-Case history
2-Clinical
examination
3-Laboratory
examination
1-Correct Diagnosis

5.  Animal
Housing
Feed and
water supply
1-Correct Case History

6. 3-Laboratory Examination
1-Fecal examination
2-Urine examination
3-Blood Film.
4-Serum analysis
5-Isolation & Sensitivity test

7. 4-Ultrasonography

8. SIGNS OF GOOD HEALTH
 EATING
 ALERT
 BRIGHT EYES AND A
SHINY COAT
 NORMAL FECES AND
URINE
 VITAL SIGNS
 REPRODUCES

9. SIGNS OF ILL HEALTH
 1) NOT EATING NORMALLY OR
DRINKING WATER
 2) DECREASE IN MILK PRODUCTION
 3) DISCHARGE FROM THE NOSTRILS OR
MOUTH
 4) INACTIVE-STANDS IN ONE PLACE
DRAWN-UP

10. Main Problems
in
Farm Animals

11. I-Problems due to infection
1- Acute Pneumonia
2-Acute enteritis .
3-Acute mastitis
4-Endometritis

12. 2-Problems due to feeding errors
1- Sipmle indigestion
2-Abomasal Displacement.
3-Dietatic diarrhea.
4-Milk fever and ketosis.
4-Vitamin and Mineral Deficiency.

13. 3-Problems due to Blood Parasites
Babesiosis
Theliriosis

14. III- Problems due to
Infectious diseases
Three day sickness
FMD
Lumpy Skin Disease

15. Inspection of the animal
as an aid in diagnosis
1

16. Digestive Problems
1

17. 1-Excessive Salivation without
vesicle or ulcers
Organo Ph. Tox.
Rabies
Indigestion
Ruminal acidosis
Diseases of
salivary glands.
Drugs.
Obstruction

18. Salivation due to oesophageal obstruction

19. 2-Salivation due to Ulcers
FMD
BVD

20. Acute tympany

21. Partial loss of appetite
Decrease milk production
Recurrent tympany
 T. reticulitis (60%)
 TB (10%)
 Diaphg. hernia
(10%)
 Foreign bodies (20%)
Recurrent tympany

22. Left abomasal Displacement
Ping Sound
It is heared on the
last two inter-costal
ribe on the left side

23. Diarrhea

24. Diarrhea in calves
Dietetic diarrhea
nfectious diarrhea

25. Bloody Diarhea

Coccidiosis
 Hemorrhagic entritis

26. Partial loss of
appetite.
Decrease milk
Black feces
Abomasal ulcer

27. Chronic Diarrhea in Adult
 Paramhostomum (60%)
 Chronic Fascioliasis (5%)
 Chronic Salmonellas (5%)
 Copper deficiency
 TB (Intestinal TB)

28. Chronic Diarrhea & Bottle Jaw
1-Johne,s D.
 Diarrhea
 Bottle J.)
2-Chronic Fascioliasis
2-Renal amylidosis
 Protine +++
 Kidney enlargment

29. Secondary digestive disorders
1- Sub-clinical ph def.
2-Sub-clinical calcium def.
3-Ketosis (Digestive form)

30. Partial loss of appetite
Decrease milk prod.
No rumination.
Stiffness in gait
Passage of small parts
of dry F.
1-Digestive problems due to Ph deficiency

31. 1- Delayed onset of puberty .
2- Delayed postpartum estrus.
3- Repeat breeding.
4- Increase incidence of cystic follicles .
Reproductive abnormalities
due to ph deficiency
3-6

32. 2-Digestive problems due to Sub-
clinical Ca Deficiency
With History of:
 Retained placenta
 , uterine prolapse
 Decrease of
ruminal wall.
(passage of small
semisolid feces).

33. 3-Digestive form of Ketosis
2-Digestive Form

34. History of Red urine
In Summer season:
 Babesiosis (Fever-Tick on the animal).
2-In winter season:
 (Hypophosphatemia -Normal temp)

35. External parasites
(Ticks)
High temperature
Hemoglobinuria
Babesiosis
Red Urine

36. Babesiosis
Post parturient hypophosphatemia

37. Thieleria
High temperature
Enlarged L.N Corneal obacity

38. Metabolic Disorders
&
Deficiency Disorders

39. 1-ALERT DOWNERS
Calving paralysis
Fractures
Hypocalcemia
Hypomagnesemia
Hypophosphatemia
Simple indigestion

40. II-Downer with depression
Impaction
Severe hypocalcemia
Severe hypomagn.
Severe .Toxic mastitis
Dehydration
Toxic metritis
Uterine torsion

41. Hypo-magnesemiaCalf Tetany
R/Mg sulphate 5% I/V
R/Mg Sulphate 20% S/C
R/B complex(B1,B6,B12(
R/Muscle relaxant

42. Rickets
Ca& Ph deficiency in young animals

43. Poly-arthritis
High temperature
Hot painful joints
Treatment
Antibiotic (Penicillin(
Anti-inflammatory

44. R/VitE+sellenium
R/Divedri Ject
Vitamin E& Selenium
def iciency
Healthy improvement after three weeks

45. Skin affections
Mange
Ring worm
Zinc deficiency
Lumpy Skin Diseases

46. Copper deficiency
Depigmentation and loss
of hair around the eye
Zinc Deficiency

47. EczemaMange in cattle Mange in sheep
External parasites

48. Ring worm
Skin scraping
T Iodine

49. Lumpy
Skin
Disease

50.  Oedematous skin disease
 Filariasis

51. Filarisis in camels
Edema in hind limbs
Edema in testis
Blood film+

52. Late Stage of pregnancy
or after parturation
Complete loss of appetite
Abduction of elbow
Abnormal heart sounds

53. Amputation of urtheral prcess
Vinger
Cevarol 5 Ml
Urolethiasis

54. Medical treatment of urolethiasis
Alkaline caliculi
Ca carbonate
Acid
Vinger
Cevarol
Ampoules
Dissolve

55. Nervous manifestation

56. Mastitis
Shortcut to Masititis 1.lnk

58. Causes of Sudden Death
in Calves and Lambs
Entero-toxemia in
calves and lambs

59. 2-Taking body temperature

60. (A)Normal Temperature
Mean in camel 36.5
Mean in equines 37.5
Mean in cattle 38.5
Mean in sheep&goates 39.5

61. )A)High Temperature:
1-Infections:
 Pneumonia-Enteritis-Metritis-Mastitis-Arthritis.
2-Blood Parasites:
(Babesiosis-Theliriosis)
3-Infectious Disesaes:
FMD , Three day sickness…….

62. 3-Low Temperature
In cattle: (36.5-37)
 Sever Impaction+ sternal recumpancy (Bad Prognosis).
 Toxemia (Before Death).
 End stage of Theilriosis and Anaplasmosis.
 Milk fever
 Sever diarrhea with Lateral recumpancy in new born
calves ( Bad Prognosis)

63. 3-Auscultation
Rumen
Intestine
Heart
Lung

64. 4-Laboratory Examination

65. California Mastitis test
Positive

66. Fecal Examination

67. Blood Film
Babesia
-Thileria
- Trypansoma
 -Pasterolosis.

68. Babesia Trypansomiasis

69. IV-Ultr-sonographic
Examination

70. IV-Ultr-sonographic Examination
A case Report:
A horse suffering
from :
High fever 41c
Off food
Not respond to any
antibiotics

71. Liver abscess

73. 2-Reticular Abscess
Intermentant
Fever
Rumen Stasis
Anorexia
Decrease in Milk
Loss of body
weight

74. 2-Reticular Abscess
Abscess in the
reticulum
Needle puncture
Pus discharge

75. Culturing & Isolation of causative agents:
* Staph. aureus growing on a blood agar plate.
Milk S.
Nasal S.
Rectal S.
Urine S.
Isolation and sensitivity test.

76. Main Line of Treatment
1-Antibiotic
2-Antihistaminic
3-Anti-inflammatory
4-Diuortic
N.B
Surgical removal
of large absceses

77. 2-Met Diseases
 Calcium
 Ph
 Mg
( 3-5 days ) acut cases
(1-3 weeks) Chronic cases You should